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Sexual Precocity in a 16-Month-Old; Q; o% E; g% A0 `) L+ I
Boy Induced by Indirect Topical% Y  C7 S/ i0 q2 ^; n' V
Exposure to Testosterone
- C( e( J0 i( U% I2 w9 ZSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
. _/ O, A: N) A5 l: iand Kenneth R. Rettig, MD1
+ X' [" r% R  N. s% ~( p& N9 IClinical Pediatrics  t9 o2 X% [  }# |/ Y! l% T
Volume 46 Number 6
# e( O5 g; H4 ^" O$ L7 g7 B* t* k: @July 2007 540-543* @8 R' M" n' F$ k# b
© 2007 Sage Publications
# }& u& B( F8 [2 x* A10.1177/0009922806296651: p5 U' M$ P' ^5 ~% U/ b. T- n
http://clp.sagepub.com0 V- G! Y% S. f, K
hosted at
6 G8 s- \1 O: I2 G2 Rhttp://online.sagepub.com4 Q- P5 f0 i- W# V) s7 W: v' }
Precocious puberty in boys, central or peripheral,( t5 N' M( c! A. M4 A
is a significant concern for physicians. Central/ Y( f: q: I2 q! E# B1 w  ^
precocious puberty (CPP), which is mediated
* j+ d, U5 {/ F6 W8 b" C3 othrough the hypothalamic pituitary gonadal axis, has- l( I, C3 |# T. P
a higher incidence of organic central nervous system
+ V0 f$ i; f6 u1 Z& ?9 Olesions in boys.1,2 Virilization in boys, as manifested
/ U" e. I+ I6 A& F# R- D4 oby enlargement of the penis, development of pubic% E. t( k7 L* C& g& }) D( z
hair, and facial acne without enlargement of testi-
5 k4 E& Q* @, O1 wcles, suggests peripheral or pseudopuberty.1-3 We$ }  Z, {; `, d  \8 j, M& @0 l. V+ m! w
report a 16-month-old boy who presented with the  H0 I4 K  n/ x1 P2 |1 g
enlargement of the phallus and pubic hair develop-
/ W$ q+ v+ }/ D& a. v  Y* fment without testicular enlargement, which was due' z, \) ?0 s+ O" P+ ]
to the unintentional exposure to androgen gel used by' [; C9 N$ |3 }8 {0 T8 v
the father. The family initially concealed this infor-- Q6 c3 I6 L; H2 O9 z/ f8 x
mation, resulting in an extensive work-up for this
( V; l# H: `; w5 u) M7 bchild. Given the widespread and easy availability of
" E7 n, O  Z1 i2 y/ @5 g3 O4 k- \7 K' |testosterone gel and cream, we believe this is proba-1 n/ _# R" H! F! }! L  J
bly more common than the rare case report in the0 V1 d- E, v, `1 B- M6 u! E
literature.46 q7 z% c8 A# y; z; q8 ^* n) t
Patient Report; V: v2 z  J9 U+ z
A 16-month-old white child was referred to the
$ y: l: J3 }6 `+ I; Pendocrine clinic by his pediatrician with the concern% s5 b) v' p5 m4 Y2 R0 i
of early sexual development. His mother noticed
6 K8 Q& t' d4 d& n/ y8 R8 Hlight colored pubic hair development when he was0 x2 O  m( a9 ~- J
From the 1Division of Pediatric Endocrinology, 2University of/ ?7 S8 V( j7 L+ E* ?! g
South Alabama Medical Center, Mobile, Alabama.+ X1 Z5 \. Q8 P
Address correspondence to: Samar K. Bhowmick, MD, FACE,- L3 ~3 r* i- o
Professor of Pediatrics, University of South Alabama, College of
- D6 S3 N% S7 R7 L1 aMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
" Z* j! I3 ]' L  a% d3 Y0 v; we-mail: [email protected].' P9 B% h& q7 g  L+ ]7 ?
about 6 to 7 months old, which progressively became
; {/ y8 Q$ o  Ydarker. She was also concerned about the enlarge-1 _0 A, Q1 G4 U! I
ment of his penis and frequent erections. The child' m1 {; V4 Y6 @# A& H
was the product of a full-term normal delivery, with
1 V0 q. D/ f: P. j; b; T2 @8 Va birth weight of 7 lb 14 oz, and birth length of% T7 v, W& j6 G5 J! e6 y4 Q
20 inches. He was breast-fed throughout the first year
( F1 J) O7 e; I3 k+ j$ [of life and was still receiving breast milk along with1 w8 f# V' C/ X2 y# P; d
solid food. He had no hospitalizations or surgery,7 T1 H1 h/ Q6 |) E
and his psychosocial and psychomotor development5 F" K8 I* A" l7 g: W
was age appropriate.
' L$ X3 L' v, CThe family history was remarkable for the father,0 W  j& o1 z3 I: m: L
who was diagnosed with hypothyroidism at age 16,9 ^/ w1 T  t" `) }
which was treated with thyroxine. The father’s
. Y: d+ T* e, `5 Z, v* u7 `- ^' [* ?height was 6 feet, and he went through a somewhat& T3 p* P" `4 V  v. t- f2 s
early puberty and had stopped growing by age 14.7 Y( ]  i- D/ ?+ g
The father denied taking any other medication. The* J5 `" C) V" B( j2 s$ Z
child’s mother was in good health. Her menarche
5 v; [3 ?# }& Z- G+ ?was at 11 years of age, and her height was at 5 feet/ B8 b! V' ?; ~1 w: q
5 inches. There was no other family history of pre-2 K! \$ y1 {- Q+ c2 Q
cocious sexual development in the first-degree rela-- q, h/ H' W- B* k" D
tives. There were no siblings.
/ A8 V; X% z6 z9 T; N& wPhysical Examination3 Y4 {' n# o' C
The physical examination revealed a very active,' n! r; S8 F7 i% ~) K" y7 P0 Y+ O
playful, and healthy boy. The vital signs documented  @! K! x  j) s  `* h4 H" k
a blood pressure of 85/50 mm Hg, his length was* d8 w9 R  h3 n3 l. \& {
90 cm (>97th percentile), and his weight was 14.4 kg& P$ X9 f$ y/ o2 ?5 I$ i! H7 ^
(also >97th percentile). The observed yearly growth- H% @3 d" {2 m: Q& k+ v  O) w1 b
velocity was 30 cm (12 inches). The examination of6 w' h  w2 s) |" d4 T
the neck revealed no thyroid enlargement.
& G4 e9 k, A2 y0 r7 UThe genitourinary examination was remarkable for
- H3 j0 R2 F: Z8 T! ^; Fenlargement of the penis, with a stretched length of" w/ G5 }' r; U3 O
8 cm and a width of 2 cm. The glans penis was very well
" ~4 J6 d- N8 pdeveloped. The pubic hair was Tanner II, mostly around
! _. M9 `) U9 ?7 q% j540
0 O2 i$ [" O- Y8 N1 D, R5 ?at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from+ ?+ P/ b( l3 e* f
the base of the phallus and was dark and curled. The( R% T1 g6 k1 I( h8 @% ~
testicular volume was prepubertal at 2 mL each." W5 R2 O& I: Y( |, h+ ?( t/ Z
The skin was moist and smooth and somewhat
  Y# }$ `* L6 ?# x1 o7 ioily. No axillary hair was noted. There were no
- b! `2 b, n' H) h4 e  Labnormal skin pigmentations or café-au-lait spots.
; a, L/ J' ~% l% L1 \' {/ S! }; N: c2 ENeurologic evaluation showed deep tendon reflex 2+2 d% \3 ]; C; Z% I5 N2 c* e6 c; y
bilateral and symmetrical. There was no suggestion% x6 [5 f  y- `" k
of papilledema.
% Z- N5 V0 g4 N' k# {Laboratory Evaluation) M& s% v- q. q& r5 z0 a+ Q3 h
The bone age was consistent with 28 months by
3 i6 I! t5 X6 Q% N% e1 Husing the standard of Greulich and Pyle at a chrono-
) q( l8 @+ ]- M+ blogic age of 16 months (advanced).5 Chromosomal
% t1 T( b/ i8 Akaryotype was 46XY. The thyroid function test. q! j& |6 ?5 I
showed a free T4 of 1.69 ng/dL, and thyroid stimu-% O) f1 R# Q+ C6 k* ^& k
lating hormone level was 1.3 µIU/mL (both normal).
$ ?( _% I0 f! q; O; bThe concentrations of serum electrolytes, blood
8 v' D# S$ p5 k& x+ a# b; r7 ^urea nitrogen, creatinine, and calcium all were
# |# U& w2 R; v& J8 h6 iwithin normal range for his age. The concentration4 @, G, ?* E! ]) |5 z5 C  N
of serum 17-hydroxyprogesterone was 16 ng/dL
4 v9 e/ i( z% c(normal, 3 to 90 ng/dL), androstenedione was 20
& j- Z( p7 J0 F6 T, zng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-2 O7 M& t) e/ P) _" S; G
terone was 38 ng/dL (normal, 50 to 760 ng/dL),
- {) u5 m3 }( {/ o: Vdesoxycorticosterone was 4.3 ng/dL (normal, 7 to
2 W; p8 |: s/ @0 X" V: O' b49ng/dL), 11-desoxycortisol (specific compound S)3 ~* k+ L' I/ N, q
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-1 _+ r1 ?6 f1 q0 y" n1 _
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
9 I8 E9 Y7 b5 {. O" G- U* Ztestosterone was 60 ng/dL (normal <3 to 10 ng/dL),, S. ]; X2 U8 G8 ^( \. I0 b1 Q/ g
and β-human chorionic gonadotropin was less than
# ]9 n( U( @6 Z- }7 C7 B; z5 mIU/mL (normal <5 mIU/mL). Serum follicular
  g( ]! {1 j) L  sstimulating hormone and leuteinizing hormone
4 d* \. _. n8 u# T5 \concentrations were less than 0.05 mIU/mL( [" y* U, ~; g4 Z- M  ?0 Y+ @% e2 F
(prepubertal)." E: t0 g9 G/ a- Q* s  o
The parents were notified about the laboratory
$ u3 l3 }3 x: b( Eresults and were informed that all of the tests were) A# Y- l+ S& \& v( I0 ?$ `, \
normal except the testosterone level was high. The
8 |, _9 |$ s' {+ K+ j! lfollow-up visit was arranged within a few weeks to
, j" d% w! o+ v% P- }+ h$ H* Mobtain testicular and abdominal sonograms; how-
" m9 t3 Z$ o2 U; Y; b; _8 Y/ ?  R, Zever, the family did not return for 4 months.% K. ]7 v  n8 R; f. u
Physical examination at this time revealed that the
/ |/ @  ?# S9 I1 k. hchild had grown 2.5 cm in 4 months and had gained7 h% s. h0 Z3 u
2 kg of weight. Physical examination remained7 U- ], J, U$ S( }5 f9 I0 D
unchanged. Surprisingly, the pubic hair almost com-  ^+ b: k0 Y9 T6 U0 D2 e
pletely disappeared except for a few vellous hairs at* B# C& ^! U  ]) o/ }- C; F4 \
the base of the phallus. Testicular volume was still 2
4 x! n5 R; P( u$ q: UmL, and the size of the penis remained unchanged.
1 w$ A. S  A- t4 \6 g( ZThe mother also said that the boy was no longer hav-2 _5 Z, R$ Z, C2 _7 n& g
ing frequent erections.
: V" t8 r& Y! u9 MBoth parents were again questioned about use of
. p: V# A8 C" E: _2 ]any ointment/creams that they may have applied to0 W) K3 G, V" Q' b* N" I
the child’s skin. This time the father admitted the
1 I9 a" D+ x- t$ C. b/ }Topical Testosterone Exposure / Bhowmick et al 541
4 u. F$ _0 b+ A2 j9 t, Ause of testosterone gel twice daily that he was apply-- l  F9 N# A* Z/ p) a1 J
ing over his own shoulders, chest, and back area for
2 S- Q% N( A7 l9 ]a year. The father also revealed he was embarrassed
$ m& a5 p3 d' C* T& l# a) e3 Z! dto disclose that he was using a testosterone gel pre-
, ?+ N2 t& h, Y& {% W. m" c" `scribed by his family physician for decreased libido
3 L+ y: q# t0 z+ m& N# qsecondary to depression.1 }' `8 l2 J. M- R* R
The child slept in the same bed with parents.3 i8 l! k( V* `
The father would hug the baby and hold him on his
# k; y6 h2 W3 i2 P' Nchest for a considerable period of time, causing sig-
/ Y; `* d2 {' xnificant bare skin contact between baby and father.
' d' @' z3 t: l5 A6 A. t3 EThe father also admitted that after the phone call,
% j  B3 U) v  ^( [8 T0 n" [when he learned the testosterone level in the baby7 d# G1 h! s" Z
was high, he then read the product information3 y: l* Q+ n/ _& Q4 P' f
packet and concluded that it was most likely the rea-
& F3 d* z: V, W" l  r3 Rson for the child’s virilization. At that time, they, e" @! e5 m9 V/ K+ P4 l# @
decided to put the baby in a separate bed, and the
7 b' ?) w  `( a: `3 _4 _father was not hugging him with bare skin and had
# D, @+ e% }4 J( z; V/ G( E; Abeen using protective clothing. A repeat testosterone
2 j$ |: X  ^+ m, Q2 _test was ordered, but the family did not go to the! i2 X+ d2 k# D) O9 {& ^$ Z7 g
laboratory to obtain the test.
; N4 \6 ]4 U8 I: P& s1 lDiscussion
' `, W& O1 m& f, z' o9 [3 D- e# l, lPrecocious puberty in boys is defined as secondary
; v5 a  n' }3 o+ E0 f( ysexual development before 9 years of age.1,4
! l8 C% R* d( Z1 iPrecocious puberty is termed as central (true) when
0 i, P( q4 D' [0 |' F. a4 [it is caused by the premature activation of hypo-
8 {. {" F' W. t- n: q( |8 Y) Sthalamic pituitary gonadal axis. CPP is more com-+ P' f+ d, p2 i& J# t  X
mon in girls than in boys.1,3 Most boys with CPP  }; W( Y6 C5 u
may have a central nervous system lesion that is: b4 V* D4 d  f0 e2 U! M
responsible for the early activation of the hypothal-. G- M" ?: P' G6 H& ]5 Y& K
amic pituitary gonadal axis.1-3 Thus, greater empha-
2 A) S! B1 \, u9 E: [sis has been given to neuroradiologic imaging in7 S; t' U. P: D
boys with precocious puberty. In addition to viril-
6 _2 z4 a0 r. C0 c1 Gization, the clinical hallmark of CPP is the symmet-7 p- Z7 ]$ M( |
rical testicular growth secondary to stimulation by$ u+ Y/ M6 \5 @: B: i- s
gonadotropins.1,3
% a" E6 V/ c5 y0 ?. A0 V5 dGonadotropin-independent peripheral preco-
3 d; d3 A* e" N: h; [. r/ \, |cious puberty in boys also results from inappropriate( @& b+ {7 z4 T$ ~3 _, {
androgenic stimulation from either endogenous or
6 B6 M* L+ c  texogenous sources, nonpituitary gonadotropin stim-
! P5 M: ^& }% z! v; Aulation, and rare activating mutations.3 Virilizing
" m4 J+ \+ z8 B; N4 tcongenital adrenal hyperplasia producing excessive
& ~) s  P$ D, }' F* b; wadrenal androgens is a common cause of precocious* J9 k/ |: c# ?5 Y3 v; y
puberty in boys.3,4- e1 w/ y" N" o; F4 b9 R
The most common form of congenital adrenal8 S* ~# T/ x  G5 f4 S) Q" K, ^8 Q
hyperplasia is the 21-hydroxylase enzyme deficiency./ n( |" P" }3 H* P5 k$ X
The 11-β hydroxylase deficiency may also result in* Q; O/ a& U+ G7 L
excessive adrenal androgen production, and rarely,% d1 M; t+ I9 g& w' W
an adrenal tumor may also cause adrenal androgen
! t3 _- M& K( y* Y% E& texcess.1,3
# M" a3 x" M4 I! `, ^7 b, C- Xat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
2 u; A0 ?7 P1 q! H542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
) X2 h3 W+ w, y9 i' ~0 `2 ZA unique entity of male-limited gonadotropin-
9 p( x2 m  F8 l; Kindependent precocious puberty, which is also known
- S1 z4 ]; U7 ?: j) F  fas testotoxicosis, may cause precocious puberty at a
/ `' P1 P& F( v5 h+ M9 w; j* Fvery young age. The physical findings in these boys3 E4 v* Y: z6 r- k. g; ^8 v7 k
with this disorder are full pubertal development,; ]- ^. b, [0 S
including bilateral testicular growth, similar to boys
# Q/ I. y: A. p, ~1 Bwith CPP. The gonadotropin levels in this disorder
8 E# B% ?! [3 f9 p! e' q1 o8 Bare suppressed to prepubertal levels and do not show- b% {$ I- H1 c* Y1 N
pubertal response of gonadotropin after gonadotropin-+ c9 A! t9 G2 f. I" w- b0 ~8 |$ i- p
releasing hormone stimulation. This is a sex-linked
* P. Q8 B, H* M- g- N* p/ G( \) Yautosomal dominant disorder that affects only0 X' c2 c1 K' C* ~6 N
males; therefore, other male members of the family
  d" p. [+ X9 {& E7 p" d5 t: umay have similar precocious puberty.39 U( g; e- U9 T, W* K% T3 c  x! M
In our patient, physical examination was incon-
5 l7 {( K$ {* S6 O0 ]& osistent with true precocious puberty since his testi-
3 o  r0 r& f" q1 l8 G9 ]* d* jcles were prepubertal in size. However, testotoxicosis
& o8 k& Q+ T7 p* W( Hwas in the differential diagnosis because his father" T* b2 K2 X: ?( U6 T9 v- _% }, B
started puberty somewhat early, and occasionally,/ A6 t: k3 z4 @" Q; Y$ h
testicular enlargement is not that evident in the
0 C1 h# X9 C* W4 b7 h6 h9 sbeginning of this process.1 In the absence of a neg-
: I" }3 T( T8 y; d" H, Bative initial history of androgen exposure, our
8 Z, }) U. p" `, z5 c7 @) [biggest concern was virilizing adrenal hyperplasia,- T  J2 G& u; p: z( z/ ]# K
either 21-hydroxylase deficiency or 11-β hydroxylase
, @! K% P- U/ r1 Mdeficiency. Those diagnoses were excluded by find-' Y0 w  S% r" I4 \/ V5 q- _' i
ing the normal level of adrenal steroids.
8 A* Y4 f8 l0 }- I' S. Q& C8 JThe diagnosis of exogenous androgens was strongly% N) v' i% }0 w* k
suspected in a follow-up visit after 4 months because
" {3 t8 V0 X2 l) ~  @( qthe physical examination revealed the complete disap-
0 Y6 f  g0 X8 B: u' P$ H9 t/ qpearance of pubic hair, normal growth velocity, and: N% T+ g8 c3 w4 }$ A
decreased erections. The father admitted using a testos-
- O6 q8 I0 r$ o+ F% tterone gel, which he concealed at first visit. He was
* ^% ?1 b: C+ w: x, I- K" Xusing it rather frequently, twice a day. The Physicians’! d) V1 w* g$ L# ]1 r3 Y" @
Desk Reference, or package insert of this product, gel or
2 N. ~; ?* M8 O5 X' W7 ~3 L2 G& Ecream, cautions about dermal testosterone transfer to
7 W9 n/ Q' g# ?7 n9 G% ?unprotected females through direct skin exposure.
" Z3 r, g5 a5 \. ?# U" C# @Serum testosterone level was found to be 2 times the
4 T2 a0 u) O2 E4 x  s  l( k0 ^baseline value in those females who were exposed to
2 }- \: a' C: d* T: k* teven 15 minutes of direct skin contact with their male$ F/ m! U  _2 D' p
partners.6 However, when a shirt covered the applica-
1 p  O2 v! N% ^: dtion site, this testosterone transfer was prevented.% H: X5 x/ g9 e  u$ K0 U
Our patient’s testosterone level was 60 ng/mL,% o' b7 m  t3 Y3 q
which was clearly high. Some studies suggest that
- `) N: J0 U: Zdermal conversion of testosterone to dihydrotestos-5 A1 s) I) x1 y/ O4 u
terone, which is a more potent metabolite, is more& s) ~: h4 C/ S' c2 U/ F
active in young children exposed to testosterone
9 w% n8 m7 f  Q  S% @- f$ ~exogenously7; however, we did not measure a dihy-, ?/ S% Y% Y+ n' i
drotestosterone level in our patient. In addition to6 s% _3 [/ K9 h; `( ?3 d
virilization, exposure to exogenous testosterone in6 l0 |9 ?3 I/ P2 [7 i
children results in an increase in growth velocity and
0 ]" B  i5 m6 w) m) w: l% iadvanced bone age, as seen in our patient.5 l7 s1 i8 j) Y% o5 {
The long-term effect of androgen exposure during
4 _- p9 ]2 ]: j) R  M) Zearly childhood on pubertal development and final8 i9 O& z; P+ T, P
adult height are not fully known and always remain
( Y+ M6 c. l' J* aa concern. Children treated with short-term testos-
; j- X  K9 s, r. Dterone injection or topical androgen may exhibit some6 Q! l5 b( f: h( u
acceleration of the skeletal maturation; however, after
! T6 y4 S) X2 f! Scessation of treatment, the rate of bone maturation
/ o* L* V. {* x  ]! idecelerates and gradually returns to normal.8,9
9 c; ]8 H9 K$ F6 @. qThere are conflicting reports and controversy0 W0 i0 ]# F) I+ Z5 a
over the effect of early androgen exposure on adult$ M+ k  M$ T7 O3 w7 f- s5 u* Q6 [
penile length.10,11 Some reports suggest subnormal
* c( c. C- g* l: c5 i5 Aadult penile length, apparently because of downreg-
. F, p9 v6 i+ tulation of androgen receptor number.10,12 However,
" p- N, h! ?1 _6 f/ m* V7 \Sutherland et al13 did not find a correlation between
4 m7 x4 h' o$ j8 G+ s# vchildhood testosterone exposure and reduced adult
+ L& s% Y+ Y1 k  L+ [2 _penile length in clinical studies.
  @( C. m& ^! {$ lNonetheless, we do not believe our patient is% @0 N9 k( o$ t
going to experience any of the untoward effects from
9 R0 ]' M2 N/ P" `& Stestosterone exposure as mentioned earlier because
$ K$ u6 p: Y% k/ ?, Rthe exposure was not for a prolonged period of time.- ~% }1 i; A/ r0 Z+ }; \1 [0 y! t
Although the bone age was advanced at the time of
* C$ m! A$ G8 g* ?- C7 r7 }6 jdiagnosis, the child had a normal growth velocity at
( F* a8 @- ^3 g1 E; cthe follow-up visit. It is hoped that his final adult
* R, i* x, q! H3 D# H+ m) I: qheight will not be affected.3 {4 \6 ]: G3 t+ r' Q7 _; S8 ^8 C
Although rarely reported, the widespread avail-
2 ~+ Z* X, G- E- ^: }, L# `ability of androgen products in our society may" a8 Y2 n' l) U# `! V3 D) w6 o4 {
indeed cause more virilization in male or female; i8 G+ D% T5 @0 T# h2 @6 B
children than one would realize. Exposure to andro-: L+ h( e! O* X2 r
gen products must be considered and specific ques-
; X; F6 E- v* V+ ?; ~( Etioning about the use of a testosterone product or
( v% L  n- t/ l) E9 @/ egel should be asked of the family members during1 X5 ^0 p2 Q" Y, S. Q* O
the evaluation of any children who present with vir-
0 O& W$ V7 ?8 Z( S! |ilization or peripheral precocious puberty. The diag-* q" b# D9 g. D
nosis can be established by just a few tests and by
& W, t3 q" p2 @  Mappropriate history. The inability to obtain such a/ R% d( @, a# N9 B0 d' `# u
history, or failure to ask the specific questions, may
5 V: k6 R* O0 b# F; ]  l; H" fresult in extensive, unnecessary, and expensive
; a( ~( D* u4 o% Jinvestigation. The primary care physician should be
& r- w  B$ f( y( q2 k2 kaware of this fact, because most of these children
+ W# s7 ^: ]# @7 z8 R: l4 ]0 Umay initially present in their practice. The Physicians’& l, i; x! V+ S2 s6 q! L
Desk Reference and package insert should also put a5 W" v1 p/ n! c$ Y  ]" }$ V6 }/ f# G% e# T
warning about the virilizing effect on a male or
0 H4 Q# B4 D# i* S0 |& Nfemale child who might come in contact with some-. ~( r9 |3 C, B8 O1 u8 q) L/ X
one using any of these products.2 R0 Q1 h: E& f: r6 K& k
References$ n4 [9 t  b5 m" ?7 L3 {
1. Styne DM. The testes: disorder of sexual differentiation' V; X) S: p4 Z7 k0 F5 u+ p( Z. J
and puberty in the male. In: Sperling MA, ed. Pediatric
; J4 T% ~0 G! \" B/ WEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
9 {+ A! c( j& |2 A2002: 565-628.
1 W, L, ^: O6 j4 ~% i6 f0 p2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
! o# ~  T/ e# G& xpuberty in children with tumours of the suprasellar pineal
發表於 2025-1-4 03:27:02 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old
5 q/ `% i( s- }1 s$ k# qBoy Induced by Indirect Topical
, H3 L: Z' I! ~3 J' S& iExposure to Testosterone
5 [( X7 `1 w* ?/ h8 Z% K6 s2 LSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2% ]9 \  J- }# v# u+ P2 o7 E$ k
and Kenneth R. Rettig, MD11 [- c9 Z* X$ V7 Z+ g: u
Clinical Pediatrics. ^3 b7 w$ N7 Q& `3 B$ j+ R! n; i" f& _8 R
Volume 46 Number 6" t. X8 Q, H0 v0 q0 a, Q1 U. v* t
July 2007 540-5433 {7 q+ `6 r, V2 w# m
© 2007 Sage Publications& ^% S5 ?' T6 f, q% Z/ Y! `3 w
10.1177/00099228062966511 r4 I. ~4 d* n
http://clp.sagepub.com
5 A; Y5 g6 |, K7 |  P% u: dhosted at
! X  w" c1 R/ H( \7 q% }* E; ]http://online.sagepub.com! n6 K: z- A( e2 `
Precocious puberty in boys, central or peripheral,
' D7 @0 V+ e8 u2 B+ u/ sis a significant concern for physicians. Central
( r( J6 h$ m0 }5 Q: \1 Qprecocious puberty (CPP), which is mediated  w, `7 b5 C6 ^) y
through the hypothalamic pituitary gonadal axis, has5 }0 O, P7 h1 V* U
a higher incidence of organic central nervous system
- u" Z0 n- Z  \5 a* K/ V% clesions in boys.1,2 Virilization in boys, as manifested4 Z' o4 U$ P* ]8 K( u: [% N2 a& i
by enlargement of the penis, development of pubic9 P9 R8 }% U( k3 ^6 z6 z$ Z  }  e
hair, and facial acne without enlargement of testi-3 G! E( v: K  Z% [
cles, suggests peripheral or pseudopuberty.1-3 We* z0 ]9 R4 y& M3 e+ `, O& @
report a 16-month-old boy who presented with the
5 V- j, }' _$ zenlargement of the phallus and pubic hair develop-% M' A5 w7 t+ g, n5 R
ment without testicular enlargement, which was due
- J! h) ^, M% f" Y, S$ b" x5 ^/ Eto the unintentional exposure to androgen gel used by
" Q0 T" X  z" {2 K6 f& Nthe father. The family initially concealed this infor-
) c$ @4 V6 y( Fmation, resulting in an extensive work-up for this
2 Q- F2 y0 L' A3 P4 rchild. Given the widespread and easy availability of! A$ l, N1 j8 O4 i9 Q: d/ c
testosterone gel and cream, we believe this is proba-
' O' j9 \, ^& e; Q/ cbly more common than the rare case report in the/ N  X6 `4 V9 B) }0 y) P% s
literature.4  J- J$ D- o) D1 w  N- Q
Patient Report9 ]9 v# z5 V9 I2 S' n
A 16-month-old white child was referred to the
+ y, g6 U8 F. R; |" v' z1 Kendocrine clinic by his pediatrician with the concern$ t: V, h3 @- y$ W/ S
of early sexual development. His mother noticed" E" `3 g9 t& E- d% W. ?  s+ @: V
light colored pubic hair development when he was# T% g) k! z) w+ m
From the 1Division of Pediatric Endocrinology, 2University of) h; D2 p, t( O+ g% ]# w  X
South Alabama Medical Center, Mobile, Alabama.& d# e8 n  D$ p# Z3 V! d0 D
Address correspondence to: Samar K. Bhowmick, MD, FACE,9 {1 o- |+ J9 @: @+ V) q
Professor of Pediatrics, University of South Alabama, College of8 W& ]( b# c: Q( G3 x& j
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;! y- q4 M" V" U* T9 P; t
e-mail: [email protected].! X$ Y* \2 H+ ]6 D: K# J
about 6 to 7 months old, which progressively became, f7 h' h: U  G6 f  k
darker. She was also concerned about the enlarge-
# Q9 O! [9 i8 u6 oment of his penis and frequent erections. The child& y' }+ V% c* i2 b. m- ^
was the product of a full-term normal delivery, with
( c/ h3 o1 e2 n8 q% p0 ?0 Ia birth weight of 7 lb 14 oz, and birth length of) Q8 P  V. i5 H) d1 L
20 inches. He was breast-fed throughout the first year
- m4 m, y/ A' W! }/ A$ i. N# _, kof life and was still receiving breast milk along with  Q* F+ H: d$ k2 }, M
solid food. He had no hospitalizations or surgery,
, b1 m( R& Q* j5 s7 Zand his psychosocial and psychomotor development( T+ p" o$ m( [* X- T+ l* u
was age appropriate.
; ~' [% G* M$ Z$ t/ O( lThe family history was remarkable for the father,/ `) G* Y1 W, b* b2 y! k5 ~* O
who was diagnosed with hypothyroidism at age 16,
" ~' b) O4 F4 u" Z, u! Dwhich was treated with thyroxine. The father’s" d7 T) j; ~. }4 j' y* z; @7 n/ S
height was 6 feet, and he went through a somewhat! }( ]* M; q  ~4 U; Q! p
early puberty and had stopped growing by age 14.2 g! l; h% |! {6 B3 }
The father denied taking any other medication. The# d; N* A1 b: Y
child’s mother was in good health. Her menarche' H& |1 k2 {+ F' H6 d
was at 11 years of age, and her height was at 5 feet* o1 i. L! F9 i
5 inches. There was no other family history of pre-& |9 a4 A! s9 h5 c+ }3 `7 P/ C
cocious sexual development in the first-degree rela-- A( w9 K+ ~% v; _( U- U
tives. There were no siblings.7 p, N3 z" E. T5 T) n
Physical Examination
+ o) \' `; V$ [7 eThe physical examination revealed a very active,1 d! w0 a% V1 k0 a! d( w  t% _
playful, and healthy boy. The vital signs documented1 F- c. R! o  N4 g- [+ N( R$ K8 e
a blood pressure of 85/50 mm Hg, his length was
- i) q  i4 D, m* K$ q# p& z' V/ R# j90 cm (>97th percentile), and his weight was 14.4 kg
# `- p4 ^$ ~$ |1 p1 p, n6 D(also >97th percentile). The observed yearly growth% Z( H2 O' R9 [
velocity was 30 cm (12 inches). The examination of
) o6 [( e( e6 z2 ?" Rthe neck revealed no thyroid enlargement.
) w6 f  B; k( K& ZThe genitourinary examination was remarkable for  I3 `/ n* {2 j3 z- P2 K  M
enlargement of the penis, with a stretched length of
# g! q  B$ L9 c* ^/ J4 e2 D8 cm and a width of 2 cm. The glans penis was very well: }3 I/ j" W% f. H
developed. The pubic hair was Tanner II, mostly around+ @1 g! j8 P4 K. n0 [. ]
540
" w# |- [5 F7 N- j4 ?at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from; I6 f- \3 Z: s% ?$ ~( i, @: S
the base of the phallus and was dark and curled. The
" x& ^9 w: ~* r/ Ptesticular volume was prepubertal at 2 mL each.
0 i' m- G" S- c  b/ f: LThe skin was moist and smooth and somewhat
5 b7 v$ p; g, u- w2 f( poily. No axillary hair was noted. There were no
( Z' B8 @+ l% E- j) D. rabnormal skin pigmentations or café-au-lait spots.9 L- y6 z$ b+ V6 G9 g5 ~) e1 C
Neurologic evaluation showed deep tendon reflex 2+
, Y" t0 x2 _* s: F+ t8 fbilateral and symmetrical. There was no suggestion  k3 |0 V+ S; }# o: V
of papilledema.
- ?& R0 v  d. b6 w( K8 ]Laboratory Evaluation
6 E, v( w% V; ?1 X7 eThe bone age was consistent with 28 months by
; o+ N# c# g, Zusing the standard of Greulich and Pyle at a chrono-; W7 E) K$ X1 j  w; k( S
logic age of 16 months (advanced).5 Chromosomal4 A( o$ d% J6 {8 s0 l3 ~
karyotype was 46XY. The thyroid function test+ e. ?6 |2 q0 _
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
+ w$ B. n  c* a; S5 O& Dlating hormone level was 1.3 µIU/mL (both normal).% @5 o' P: d2 Z& W9 Y$ j
The concentrations of serum electrolytes, blood
! Q3 n. o: I! h1 e7 g* @urea nitrogen, creatinine, and calcium all were, U6 y0 \8 H1 J. J2 R
within normal range for his age. The concentration3 @4 u; a. r- e/ J
of serum 17-hydroxyprogesterone was 16 ng/dL
. N# w5 `( A! X(normal, 3 to 90 ng/dL), androstenedione was 20+ A9 @" {& J4 S/ b! s7 p, X/ e
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
: c3 q. ]* u/ wterone was 38 ng/dL (normal, 50 to 760 ng/dL),
+ P. j4 h; }9 V8 O6 {desoxycorticosterone was 4.3 ng/dL (normal, 7 to6 X, c/ e( L2 e: C
49ng/dL), 11-desoxycortisol (specific compound S)
' E/ T0 S) T% d* zwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
0 Q+ H& s" D6 C0 {2 E, @$ rtisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
# y% J; w5 o9 L/ _7 l5 N7 F0 o0 ftestosterone was 60 ng/dL (normal <3 to 10 ng/dL),  {* B- q3 o; e- c& x
and β-human chorionic gonadotropin was less than
) M0 ]! s7 U/ C2 i& i5 mIU/mL (normal <5 mIU/mL). Serum follicular
' G( m8 M+ {# U- L3 R- W' Y: R+ V/ _stimulating hormone and leuteinizing hormone
6 L" h6 S& J" \concentrations were less than 0.05 mIU/mL; D3 f, P1 A& I
(prepubertal).
* V0 x% _6 u0 C4 t! a, K/ Q# FThe parents were notified about the laboratory  E. D2 c( c& `  S/ ^  N) e
results and were informed that all of the tests were$ L8 R! _$ u' G: l) L0 j
normal except the testosterone level was high. The9 c4 M8 J2 x6 C9 ?, g% @2 o
follow-up visit was arranged within a few weeks to
" j5 A$ r9 s8 v' S- F$ gobtain testicular and abdominal sonograms; how-
1 |3 c1 J3 R: hever, the family did not return for 4 months.' x/ f- Z5 [+ l& I: `+ \
Physical examination at this time revealed that the
& o2 w# F6 F' u, W5 l# |2 `child had grown 2.5 cm in 4 months and had gained, x" U/ k5 g8 y& A  G
2 kg of weight. Physical examination remained
/ w2 n" c. b- Q* F+ R2 r4 ]unchanged. Surprisingly, the pubic hair almost com-# i& T/ ~: c9 [/ B
pletely disappeared except for a few vellous hairs at
1 a* \6 l1 K! e3 m5 rthe base of the phallus. Testicular volume was still 2
6 B8 \/ I1 P. `! g9 `- imL, and the size of the penis remained unchanged.0 f# \# H5 t% U1 o! t
The mother also said that the boy was no longer hav-$ f: {2 G) E" [. \( i) y
ing frequent erections.
: p0 ^1 X6 _) e7 }! |+ C4 ^Both parents were again questioned about use of: r7 T. R/ E1 \' Z' C6 `2 s
any ointment/creams that they may have applied to! j: \8 Y3 h2 h& n7 g3 ~5 |/ a
the child’s skin. This time the father admitted the8 `+ {* f% [1 \
Topical Testosterone Exposure / Bhowmick et al 541
3 l! M5 v9 G- H0 B9 F  f$ @' Cuse of testosterone gel twice daily that he was apply-  B% T+ m. }+ \) A  O- q( t
ing over his own shoulders, chest, and back area for2 G8 f9 U' y) o# J$ V
a year. The father also revealed he was embarrassed
& N; F( \  m1 N4 cto disclose that he was using a testosterone gel pre-
8 ]2 g& t3 `6 \/ G* o$ {. mscribed by his family physician for decreased libido
3 B7 I  x9 A+ L( E' l7 q" O0 [secondary to depression.
: W* y. E9 A. j9 a' ]; nThe child slept in the same bed with parents.
5 o/ P7 w2 K4 b, bThe father would hug the baby and hold him on his: n1 p% I8 R" _1 u
chest for a considerable period of time, causing sig-
% u4 Z9 m! Y" k3 W) N! d2 C1 Jnificant bare skin contact between baby and father.
$ r  b; `! g# M. y8 L( N: \8 qThe father also admitted that after the phone call,
0 u7 W: h& x- c/ U! Jwhen he learned the testosterone level in the baby
$ v+ J' @( h# m: }+ Dwas high, he then read the product information
# V% k2 }" l4 X0 ^packet and concluded that it was most likely the rea-
  ]7 C6 F7 |3 J  ]) nson for the child’s virilization. At that time, they
3 b+ X2 _, _7 J4 c( C/ f! Ndecided to put the baby in a separate bed, and the) k' ?0 |9 V. _: @9 `* [3 ]4 V: |) K
father was not hugging him with bare skin and had* M) {5 }9 H8 l, x
been using protective clothing. A repeat testosterone# r9 Q- E. n  ]" d+ e. P6 w
test was ordered, but the family did not go to the6 n9 A6 s, {& k! w
laboratory to obtain the test.
2 u2 @2 D8 C' p3 S8 iDiscussion
$ @' q7 x& e: n% c$ VPrecocious puberty in boys is defined as secondary
" k, H' F8 S7 F5 isexual development before 9 years of age.1,4
& w) {. |7 N& s1 {; G) u+ YPrecocious puberty is termed as central (true) when
. d7 Y. _/ W4 q, O6 h: I/ Y5 Qit is caused by the premature activation of hypo-% x5 }5 Y9 f' [! B* R" W. n% u9 X
thalamic pituitary gonadal axis. CPP is more com-
1 i, c/ C6 I- A7 ^6 Vmon in girls than in boys.1,3 Most boys with CPP
6 r2 Q, L& p% W- N0 Q& Xmay have a central nervous system lesion that is
$ k( J. w7 n* x9 N7 J& Lresponsible for the early activation of the hypothal-
  H. `7 j% r, g0 J! ~amic pituitary gonadal axis.1-3 Thus, greater empha-! r8 j: {, R; u/ o# N+ f
sis has been given to neuroradiologic imaging in5 F1 {& f2 X: }, x: ~* j& m$ d
boys with precocious puberty. In addition to viril-' E/ K4 _- C; m% c7 b
ization, the clinical hallmark of CPP is the symmet-3 u* a" u' q8 }7 `: t5 g
rical testicular growth secondary to stimulation by# n4 ?& q0 @; e+ R+ m' e, n
gonadotropins.1,3% r7 S- s% e0 D
Gonadotropin-independent peripheral preco-3 t# C) W$ B) @# D, e& C* @6 G
cious puberty in boys also results from inappropriate6 P7 f( d, y* B* {2 y. e
androgenic stimulation from either endogenous or, n( I" P( h4 A/ P5 w- g6 |6 S
exogenous sources, nonpituitary gonadotropin stim-
) h2 d/ m& C( d" M6 o4 ?ulation, and rare activating mutations.3 Virilizing
. H" Y- [. O/ a5 |' Ucongenital adrenal hyperplasia producing excessive
+ L9 h. H2 z) }8 O5 \adrenal androgens is a common cause of precocious8 k! ]1 E; l& u1 W
puberty in boys.3,4! c# L  B0 O" g8 V8 M" z% s9 y
The most common form of congenital adrenal
# N# X) C0 M# V! ~% |' dhyperplasia is the 21-hydroxylase enzyme deficiency.9 }! O' ^# X  \# _" S( `; a
The 11-β hydroxylase deficiency may also result in
( K/ k% t3 S7 c- w* Hexcessive adrenal androgen production, and rarely,
9 m. U# \" E% G" D( tan adrenal tumor may also cause adrenal androgen
4 G- b: Q- G% N* mexcess.1,30 i$ H- A8 D2 Z/ V+ h2 x% x. x+ K" Q
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
' T: Q( J' O( f, u- F5 R542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
' n% U8 w% b: F5 A' VA unique entity of male-limited gonadotropin-
& v8 ?; r) X' g) w* Vindependent precocious puberty, which is also known5 Z4 v. M- U  _" Z" @+ C6 [
as testotoxicosis, may cause precocious puberty at a
  C% ~- p1 ?: C( X% wvery young age. The physical findings in these boys
8 i/ h" n- }' M% \, e1 ?with this disorder are full pubertal development,
# M: Q, c2 a8 Uincluding bilateral testicular growth, similar to boys3 J. f7 W6 a% p9 @+ ~1 k$ I) {
with CPP. The gonadotropin levels in this disorder6 E3 @# c5 Z9 i( X- D) e
are suppressed to prepubertal levels and do not show
) T! y8 C# ?, {+ ?! E4 |. Ypubertal response of gonadotropin after gonadotropin-
% P2 q  `. u; ^- Dreleasing hormone stimulation. This is a sex-linked
  I& K' J: v' K) \& ~autosomal dominant disorder that affects only
5 i* L! p  ?0 C$ H/ n, Ymales; therefore, other male members of the family
6 U4 G  i4 ]6 U. omay have similar precocious puberty.3
9 u* q, k8 `& g% E( a- xIn our patient, physical examination was incon-( b- g- v  c1 L3 @8 E5 M; ~
sistent with true precocious puberty since his testi-
6 ^8 N6 d+ q3 m4 w3 rcles were prepubertal in size. However, testotoxicosis) b- c; I1 W* Q# r
was in the differential diagnosis because his father
/ G- K1 t6 T1 ^- S4 |: c1 |started puberty somewhat early, and occasionally,# p. h( V) Y  v( z: ?: j
testicular enlargement is not that evident in the
  s, d) g" r' d: \4 \beginning of this process.1 In the absence of a neg-
% o. ], i8 B/ A, F5 c3 sative initial history of androgen exposure, our
7 l* x8 c  m  z5 V& m! ^3 `biggest concern was virilizing adrenal hyperplasia,4 ?# L  r. a' s# X1 R/ L
either 21-hydroxylase deficiency or 11-β hydroxylase
" i6 }4 Z/ X4 t! F; _1 [deficiency. Those diagnoses were excluded by find-$ z# \' |4 D( j/ K! \
ing the normal level of adrenal steroids.
' ]- ]5 X- d9 [( z) n% rThe diagnosis of exogenous androgens was strongly* P  j  u# B! T
suspected in a follow-up visit after 4 months because, @; z! D; _* E" _% v
the physical examination revealed the complete disap-5 v( R+ ^3 @8 o8 b- y. _
pearance of pubic hair, normal growth velocity, and2 m! y+ V6 r% z  x) j
decreased erections. The father admitted using a testos-
2 p0 e; p) ]7 K, x! Uterone gel, which he concealed at first visit. He was
( f; _. c. p6 \. ]using it rather frequently, twice a day. The Physicians’
4 G$ Z0 D0 t5 s' c& U8 QDesk Reference, or package insert of this product, gel or1 _9 m& K$ o- ~5 K6 _' m: ?
cream, cautions about dermal testosterone transfer to" `6 V' [8 n2 \, X/ O
unprotected females through direct skin exposure./ N- @7 b/ @  a$ J0 p) b
Serum testosterone level was found to be 2 times the" ~$ X, P7 D& |7 O
baseline value in those females who were exposed to& |8 Q7 E3 r. N! b1 h
even 15 minutes of direct skin contact with their male
# o( a' F5 R6 g4 t0 N) npartners.6 However, when a shirt covered the applica-* ?# U4 w; g4 _8 D+ q5 n& R
tion site, this testosterone transfer was prevented.
5 g' \9 L7 Z5 Q9 qOur patient’s testosterone level was 60 ng/mL,
8 n3 k& ?; h4 W/ \7 jwhich was clearly high. Some studies suggest that* E* [/ J$ Q: `: B4 f7 f' x+ G
dermal conversion of testosterone to dihydrotestos-
1 M- K: f) y; O; _+ y4 _( Iterone, which is a more potent metabolite, is more
& f3 c  x4 O1 m5 G7 X6 G& }( V2 Xactive in young children exposed to testosterone& ^% S" I  l2 Z: R, v
exogenously7; however, we did not measure a dihy-' S4 d: d( d( u4 z$ U/ z; p  u
drotestosterone level in our patient. In addition to
6 `$ _$ o. D/ T* b& D' ^6 p4 P* o" svirilization, exposure to exogenous testosterone in5 m/ D2 `- x9 p. I
children results in an increase in growth velocity and- p4 M- Q* U5 q$ P2 u5 E, M9 ]4 X
advanced bone age, as seen in our patient.
5 h; a2 C. y# ]: n- H9 CThe long-term effect of androgen exposure during
6 i0 n; z3 g. J/ O9 Learly childhood on pubertal development and final
& \3 X4 \: w* h8 aadult height are not fully known and always remain# b  g/ A* z- [, u" o- {
a concern. Children treated with short-term testos-/ @* [6 T( A+ q" Z5 ~8 R, \
terone injection or topical androgen may exhibit some
% q. L; \; d$ bacceleration of the skeletal maturation; however, after- q, m: @5 |3 q  Q: S
cessation of treatment, the rate of bone maturation4 i1 W) @' S. o. C$ ?$ @
decelerates and gradually returns to normal.8,9  `1 o0 ~) Y/ O
There are conflicting reports and controversy
, K$ O# M% e5 Sover the effect of early androgen exposure on adult  z4 V8 P* Q' A! O
penile length.10,11 Some reports suggest subnormal6 D# |1 ~3 e- @5 v  v  b% y& f) n
adult penile length, apparently because of downreg-1 ?; i5 j9 |3 C) d  Z; L
ulation of androgen receptor number.10,12 However,9 w' ~- n; f! m1 C' D
Sutherland et al13 did not find a correlation between6 {$ A" P9 e5 @: l$ `) V2 ?' x
childhood testosterone exposure and reduced adult
6 I5 X; x: I0 d4 Hpenile length in clinical studies.. j2 J, Y$ o. U# T8 \5 `! t
Nonetheless, we do not believe our patient is
0 W, f) z' I; r2 `- F5 ?  _going to experience any of the untoward effects from
/ x2 U1 B( v$ c/ c9 q. Y0 V" ttestosterone exposure as mentioned earlier because
2 t9 t* U4 F3 F& x" q$ d) wthe exposure was not for a prolonged period of time.9 Z* ~- l6 K# h# @* a5 s  u! N5 X
Although the bone age was advanced at the time of
% ?. m  j3 i0 A# wdiagnosis, the child had a normal growth velocity at9 X' V" d% Y/ }$ B7 [
the follow-up visit. It is hoped that his final adult) `7 A! x# P9 K4 j+ V, \1 p
height will not be affected.% K& t' @# g+ w- K7 x8 z6 U
Although rarely reported, the widespread avail-
5 R/ s/ s1 V  ~ability of androgen products in our society may
0 ], m2 a3 k* U; _, O# m  k% \' F' _indeed cause more virilization in male or female
; c; Z7 X& l( T) gchildren than one would realize. Exposure to andro-
1 U6 p  N7 b6 {8 Lgen products must be considered and specific ques-  E- @' x3 Y) g' Q  h8 x" h7 t
tioning about the use of a testosterone product or; y- m$ }% J% a! `2 W5 p+ E
gel should be asked of the family members during
5 F. S9 l6 U' W, L2 T; Bthe evaluation of any children who present with vir-$ o  U. O7 S7 C3 e
ilization or peripheral precocious puberty. The diag-
  b, E* Y' t2 K8 V- }  Qnosis can be established by just a few tests and by9 z5 {* o; m" B; w9 h0 b& j
appropriate history. The inability to obtain such a
- L' E7 |3 u* t, Lhistory, or failure to ask the specific questions, may! E4 p/ E8 }* [; u6 E
result in extensive, unnecessary, and expensive. p. [' [' N& @8 v9 \. `2 h
investigation. The primary care physician should be
- L2 }! b: i6 m$ i! E. _$ Taware of this fact, because most of these children0 f0 H# H) S' V# {( h4 C
may initially present in their practice. The Physicians’
& n1 @) X0 k6 [1 F9 @Desk Reference and package insert should also put a2 o, T2 b8 B% x! o' n3 P
warning about the virilizing effect on a male or  ]; A9 M; T( U
female child who might come in contact with some-
( l4 Z5 K* l; ~. W; L! none using any of these products.* i2 W) W* ^7 z2 A
References
* K+ b# g8 c7 j, \; E5 [8 ^& Q2 C1. Styne DM. The testes: disorder of sexual differentiation
3 V: x# ~: y1 }2 M! Gand puberty in the male. In: Sperling MA, ed. Pediatric
; e! U* ?' [1 e! K3 o8 _5 QEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;, K; N! s% A& v. F# c" n1 e) j" _- X
2002: 565-628.
: H+ Z  X! u# P! n1 u2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious6 `; @& Y4 g* e- E: x4 e
puberty in children with tumours of the suprasellar pineal
發表於 2025-1-11 22:18:01 | 顯示全部樓層
女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
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4个什么样的?
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+ i' M" C( A$ Z2 W* i
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
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么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
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精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
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