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is a significant concern for physicians. Central9 ]/ }* V; V8 z: {# o' _
precocious puberty (CPP), which is mediated
, A0 A" ]3 c1 C. b" }* J& `through the hypothalamic pituitary gonadal axis, has6 y+ g0 C* N/ P1 j, F
a higher incidence of organic central nervous system8 `; b- d" Q; ^0 I3 n+ m1 O$ `" @
lesions in boys.1,2 Virilization in boys, as manifested
: L V! r* @3 ^' s Y. tby enlargement of the penis, development of pubic
( _6 I) ] s2 c5 i* f `( A. |hair, and facial acne without enlargement of testi-, w5 p; W5 B; C
cles, suggests peripheral or pseudopuberty.1-3 We
, k2 j% ]. x) e7 i. Treport a 16-month-old boy who presented with the
9 V$ D7 c: Z& X( Tenlargement of the phallus and pubic hair develop-
0 V" r+ P$ j8 S- X, J# ament without testicular enlargement, which was due
. |3 b, l. k- xto the unintentional exposure to androgen gel used by3 A" D" C) l* k4 V* b: J$ T
the father. The family initially concealed this infor-
! e4 p k7 D! Q* u9 X4 d! Q0 lmation, resulting in an extensive work-up for this
8 @2 l7 g5 @4 Y- ?child. Given the widespread and easy availability of
0 r# F1 Y- T: o2 ?7 Y# Ptestosterone gel and cream, we believe this is proba-
% R8 D; M4 I$ r' `6 R5 qbly more common than the rare case report in the& `( t2 @, e4 o4 [; ]
literature.4
: ]0 Z( h6 Z+ w6 w1 TPatient Report i/ M' i) E# t# M$ A T
A 16-month-old white child was referred to the5 g7 n+ H- z+ G1 q9 ~+ |
endocrine clinic by his pediatrician with the concern% ] j) V3 w5 ]# h/ z
of early sexual development. His mother noticed
8 e) X6 d) \# g+ S8 Elight colored pubic hair development when he was
& Z1 @& ~) @# {5 TFrom the 1Division of Pediatric Endocrinology, 2University of/ j/ R( n# J L: p
South Alabama Medical Center, Mobile, Alabama.
/ H" m' x) G0 O/ B3 l3 vAddress correspondence to: Samar K. Bhowmick, MD, FACE,
& R& `+ |! I* A. J( D: XProfessor of Pediatrics, University of South Alabama, College of
2 E6 f9 l3 i9 w( K* YMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;/ _6 N7 p' X s9 @* P
e-mail: [email protected].
( p1 m4 E& X* n h6 `# Pabout 6 to 7 months old, which progressively became
3 j1 Y9 I8 T% Q3 G; S1 G1 e, h8 Fdarker. She was also concerned about the enlarge-( x( n2 X' O+ [! A
ment of his penis and frequent erections. The child
1 W' d1 `4 }6 l; |) @* @/ `- Vwas the product of a full-term normal delivery, with% Y3 z7 H- Q2 }( o) _# P7 T3 I$ g
a birth weight of 7 lb 14 oz, and birth length of
$ f0 |4 k! F( N20 inches. He was breast-fed throughout the first year
7 n( q% y1 z# ~- g) s! x# kof life and was still receiving breast milk along with
' h, E" e4 h5 R8 T: Y7 f: Msolid food. He had no hospitalizations or surgery,& Q/ y2 Z2 f% X
and his psychosocial and psychomotor development
/ V+ u0 J* T( H qwas age appropriate.0 L: `* @/ S# Y, H4 N/ O0 {9 D
The family history was remarkable for the father,0 g% F( Y( C$ D5 V; K$ P2 X7 \
who was diagnosed with hypothyroidism at age 16,
6 \$ N( |1 Y! @; Ewhich was treated with thyroxine. The father’s2 c! Y" v3 f6 ]! L9 l
height was 6 feet, and he went through a somewhat5 A ?) {7 U. i( I1 \5 P$ x9 o2 W, S* @' ~
early puberty and had stopped growing by age 14.4 z; ]! |1 D5 b5 ~% n& J# z
The father denied taking any other medication. The
+ m8 ~ g, G% y3 H" q6 Z& y/ x7 Q2 Wchild’s mother was in good health. Her menarche5 s( | Q$ L1 A g9 O
was at 11 years of age, and her height was at 5 feet- ]) r* ^; \' \9 X! r2 ~
5 inches. There was no other family history of pre-7 }3 U% c3 o; {: p) A" T
cocious sexual development in the first-degree rela-
$ C( M5 @4 N, `! v9 B8 u! Ytives. There were no siblings./ I$ H, W; B1 e1 G* d0 r L3 F7 O8 O
Physical Examination
: M' G2 I! f4 ^* v9 l, FThe physical examination revealed a very active,% A$ s9 o( a7 Q0 M8 ^% J
playful, and healthy boy. The vital signs documented$ r# n$ Y- a: P3 L& G; e( L( O
a blood pressure of 85/50 mm Hg, his length was% e2 B& |6 _9 a+ Y- a* k7 E; t. H# W
90 cm (>97th percentile), and his weight was 14.4 kg
( e# @" O% c& ~2 W(also >97th percentile). The observed yearly growth
0 R2 N2 e8 H9 a A9 w" O4 rvelocity was 30 cm (12 inches). The examination of
# e/ \1 M3 g" C$ Hthe neck revealed no thyroid enlargement.
. `3 t* A/ [ ^5 |- }The genitourinary examination was remarkable for8 a `( P6 _* u: h
enlargement of the penis, with a stretched length of
$ b% V' c# s6 M: ^6 j8 cm and a width of 2 cm. The glans penis was very well
# M4 G$ m5 n, G2 rdeveloped. The pubic hair was Tanner II, mostly around
9 G, R2 R. `5 |4 {540* b" d6 q5 f; q0 u; F) h m
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from& \& D: m1 p* P
the base of the phallus and was dark and curled. The
. T3 J$ C! ^" Q$ atesticular volume was prepubertal at 2 mL each.* q8 N3 e8 g. [- x
The skin was moist and smooth and somewhat/ ^9 Y6 c& D6 g* J' x3 G$ v
oily. No axillary hair was noted. There were no3 m0 ?" f3 |9 C N
abnormal skin pigmentations or café-au-lait spots.1 ~9 ]+ _6 F2 q+ H3 X- h; Q
Neurologic evaluation showed deep tendon reflex 2+
* X6 K. R! D( \/ U/ ~4 t8 ^bilateral and symmetrical. There was no suggestion( X& }. c" w Z: ^ k9 J
of papilledema.
- z7 u6 v! H7 ?* ~* ALaboratory Evaluation: y" B5 ^" @. h. Q* P9 Y. M3 }% B
The bone age was consistent with 28 months by
/ L& p b5 G. ^! F: ~- T2 B pusing the standard of Greulich and Pyle at a chrono-- c! O, v0 ]* v$ Q4 u
logic age of 16 months (advanced).5 Chromosomal& m' o5 J7 G% x6 }$ t* G5 [% w2 d
karyotype was 46XY. The thyroid function test
6 w# |% ]9 r- l5 Oshowed a free T4 of 1.69 ng/dL, and thyroid stimu-
1 B- }* z0 }" } Plating hormone level was 1.3 µIU/mL (both normal).
# {0 [: D0 F; |! K4 h" m5 r$ LThe concentrations of serum electrolytes, blood3 B* u- Y- N( o4 ~9 K# {
urea nitrogen, creatinine, and calcium all were
- c. e% M; l( e+ f6 ~/ T7 f) Nwithin normal range for his age. The concentration
q( b2 s, R, ^2 `4 M ]: V* dof serum 17-hydroxyprogesterone was 16 ng/dL
6 @' J! Y6 f! p/ F# @5 p(normal, 3 to 90 ng/dL), androstenedione was 20
- h1 g0 P7 S+ H1 ^ c: I1 v4 K3 ung/dL (normal, 18 to 80 ng/dL), dehydroepiandros-6 M8 V& i8 ~0 |5 n3 q. W1 [3 T) F
terone was 38 ng/dL (normal, 50 to 760 ng/dL),
x' }# {- u w+ Z: p# T. o0 }; Sdesoxycorticosterone was 4.3 ng/dL (normal, 7 to1 r1 b# y: ], T& H
49ng/dL), 11-desoxycortisol (specific compound S)
: f: Y! z6 }( R3 e1 F, q3 E% `was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-7 F: }4 J) u& {5 j4 j
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total* w* X; B0 ^0 P6 K9 Y$ V3 Y
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),
* t( b- k$ i" t, G7 {* Pand β-human chorionic gonadotropin was less than
3 M* i/ n: \( \: a. M: M3 r& U0 Z/ I) G5 mIU/mL (normal <5 mIU/mL). Serum follicular8 _4 H) N! m- [% e% B3 D
stimulating hormone and leuteinizing hormone5 Z, B/ n: ~3 S. b1 D; \# a
concentrations were less than 0.05 mIU/mL8 k" Z* d3 [" ^
(prepubertal).6 u* }+ E: q6 A& ?
The parents were notified about the laboratory
$ |, ~! i3 n E5 g& l8 a4 @- x8 Bresults and were informed that all of the tests were
1 E' y" Y3 T* L9 \( W7 ^8 h3 Bnormal except the testosterone level was high. The- Y/ J( @ D* p, Y, w
follow-up visit was arranged within a few weeks to. f- l: o4 p& K* [
obtain testicular and abdominal sonograms; how-: q; L+ Q* i! F$ O
ever, the family did not return for 4 months.
/ {2 K9 ~9 ~8 Z+ y& b9 M$ @+ P# ]Physical examination at this time revealed that the
& Z3 c, H v* r% @child had grown 2.5 cm in 4 months and had gained
# o4 b' I" p. T1 e2 kg of weight. Physical examination remained5 ?9 c/ g0 ]0 |8 d h
unchanged. Surprisingly, the pubic hair almost com-+ R- \! {" F$ Z4 K
pletely disappeared except for a few vellous hairs at0 A9 `: U9 I+ ]: j: \, j- f
the base of the phallus. Testicular volume was still 2" _: `" }: j# B" ~4 u- w
mL, and the size of the penis remained unchanged.
/ @! m( h3 [3 ]3 z$ C- R& E8 d+ g2 c y' jThe mother also said that the boy was no longer hav-4 o- n2 t9 s3 x7 L+ q2 t4 X$ ]9 P
ing frequent erections.
I0 Q2 e' a& `Both parents were again questioned about use of0 x, w `3 \" \ Q, y& _' U0 @
any ointment/creams that they may have applied to$ k2 z7 c9 y q: G4 `2 V
the child’s skin. This time the father admitted the' o7 O% Y. x$ u
Topical Testosterone Exposure / Bhowmick et al 541- y* t7 X% j& i# j( E/ {' E
use of testosterone gel twice daily that he was apply-2 j1 [! J% h# C" V" ~. w) M
ing over his own shoulders, chest, and back area for
; o1 H8 T) ~1 G5 \a year. The father also revealed he was embarrassed$ n7 N( ~" f1 T; T
to disclose that he was using a testosterone gel pre-
. s& q0 ^9 W2 s+ m% W7 B A; ?scribed by his family physician for decreased libido
4 h7 W0 w* \: zsecondary to depression.
2 d% J5 U) a" GThe child slept in the same bed with parents.9 g' b/ W! a V4 [
The father would hug the baby and hold him on his
$ t" ?, @9 R* {% ~; O2 D% Kchest for a considerable period of time, causing sig-
' K! L7 Q' p( S7 {2 @nificant bare skin contact between baby and father.
3 W0 K7 e+ ?7 y/ J$ i; H4 i( N8 EThe father also admitted that after the phone call,+ J2 s- }) l3 I7 m3 g! {9 _$ ]
when he learned the testosterone level in the baby
- ~/ R! {8 m1 O$ f5 d5 mwas high, he then read the product information
- |9 L$ {$ E& w5 i8 cpacket and concluded that it was most likely the rea-
* A: N* C; p" [: vson for the child’s virilization. At that time, they P$ n% O$ t( e5 m8 \
decided to put the baby in a separate bed, and the
( v/ W. t2 c: i' Q" B3 w1 wfather was not hugging him with bare skin and had
( y: T5 ~5 m, a5 q* L& L7 ?$ pbeen using protective clothing. A repeat testosterone
* c n7 Q3 u9 ktest was ordered, but the family did not go to the T6 K; @! k/ F+ M u
laboratory to obtain the test.' o- H$ g, s. {
Discussion/ L' z( N1 q$ \6 w+ U+ F! K
Precocious puberty in boys is defined as secondary; S# C" Y+ @/ Z7 R
sexual development before 9 years of age.1,4
( G7 a; r M& UPrecocious puberty is termed as central (true) when
0 F/ e; L8 A- Pit is caused by the premature activation of hypo-/ L, F+ C0 N/ B+ J, |* D
thalamic pituitary gonadal axis. CPP is more com-6 b6 }, A6 ?3 `
mon in girls than in boys.1,3 Most boys with CPP
4 E* u9 p- T& o% K6 T emay have a central nervous system lesion that is& {$ R! c+ A9 h m% K+ W8 ]
responsible for the early activation of the hypothal-
8 m, i, b! C4 S: @amic pituitary gonadal axis.1-3 Thus, greater empha-& H$ T' N/ J" j* o3 f6 }6 q/ C3 g
sis has been given to neuroradiologic imaging in1 u7 O* F2 w$ }( C! N
boys with precocious puberty. In addition to viril-. E' i j9 v' q6 ]/ u* q
ization, the clinical hallmark of CPP is the symmet-
+ g, u; o6 o% b9 erical testicular growth secondary to stimulation by
3 N6 v* W9 X& S) X: s+ O# egonadotropins.1,39 H% J+ c% t" A( i
Gonadotropin-independent peripheral preco-
5 `* r4 a5 k" H- Z! [cious puberty in boys also results from inappropriate" C7 i" B9 U: T1 t! i9 u; [2 m
androgenic stimulation from either endogenous or, F9 D$ o1 e" T& C- J' S
exogenous sources, nonpituitary gonadotropin stim-3 @9 N! C) Q/ t
ulation, and rare activating mutations.3 Virilizing
7 u3 v" H4 D& O/ J7 V6 U) Ycongenital adrenal hyperplasia producing excessive: z/ x. F% d7 k$ v5 u
adrenal androgens is a common cause of precocious
, n, |* f0 `# `puberty in boys.3,4* C* h/ J0 W0 a& n# t) P. b' D
The most common form of congenital adrenal( k0 Z( x* r% n
hyperplasia is the 21-hydroxylase enzyme deficiency.
; v$ f( v! z6 bThe 11-β hydroxylase deficiency may also result in
8 z5 w* P4 d" J+ @8 s4 gexcessive adrenal androgen production, and rarely,
9 h; F0 P; @& ^. P, V4 S/ \! Kan adrenal tumor may also cause adrenal androgen
3 _9 z0 _2 G2 X3 e( }excess.1,3
2 m! K- B- ?* mat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
# A7 z, z$ M; f& \2 i; r3 _542 Clinical Pediatrics / Vol. 46, No. 6, July 2007/ m" a7 Z |% g
A unique entity of male-limited gonadotropin-
- d1 d; T9 u7 E( p/ a& Findependent precocious puberty, which is also known5 ~) T& H$ m4 l+ ?3 Z
as testotoxicosis, may cause precocious puberty at a: e1 Z2 A7 i% l% u ~
very young age. The physical findings in these boys% D0 \& T- [6 C5 x/ ~% t! E
with this disorder are full pubertal development,
# s4 ~( K, |/ n! }including bilateral testicular growth, similar to boys/ n9 M- g- g* M5 S. a% ~* ^% A
with CPP. The gonadotropin levels in this disorder
% F) L4 S: g2 x# ~are suppressed to prepubertal levels and do not show
6 S5 v( N+ X/ u1 n7 C: t1 u: ]* a8 p$ Jpubertal response of gonadotropin after gonadotropin-. [; ?0 m9 N. X6 G# E' D9 |" a+ c
releasing hormone stimulation. This is a sex-linked
* [! S0 j2 n0 ^5 F- t0 Z6 fautosomal dominant disorder that affects only$ _$ D# y% k0 e, o& A2 O
males; therefore, other male members of the family
+ e& ]) t1 H' y& h$ ^' o' r% \may have similar precocious puberty.3- x% Q4 e# ?0 t8 u1 Y# M
In our patient, physical examination was incon-5 @6 h+ y! j* ^0 J1 l; h3 \
sistent with true precocious puberty since his testi-- i$ I/ u# _8 X
cles were prepubertal in size. However, testotoxicosis
2 ?; n/ V* _. L! ?was in the differential diagnosis because his father
/ I0 R: ~2 Z. K, Mstarted puberty somewhat early, and occasionally,
8 e! W3 J$ n2 S6 x9 K) C! T: W) Ntesticular enlargement is not that evident in the
" I6 O. b' T6 ybeginning of this process.1 In the absence of a neg- r3 |; _8 n$ @* l' l0 \% }! ~
ative initial history of androgen exposure, our6 |8 s3 `: I: @( X; D
biggest concern was virilizing adrenal hyperplasia,- @# w8 p3 J% p$ i: [
either 21-hydroxylase deficiency or 11-β hydroxylase& b. I, C" w/ z, }
deficiency. Those diagnoses were excluded by find-. _8 B* j* d# q3 q: b
ing the normal level of adrenal steroids.3 U$ |+ x' Z: O- H8 O/ y
The diagnosis of exogenous androgens was strongly/ q% D, X9 l7 A2 L% S' I( Z
suspected in a follow-up visit after 4 months because6 l: Y- e: w# _
the physical examination revealed the complete disap-7 g$ j9 @9 o8 r P7 `0 k( p
pearance of pubic hair, normal growth velocity, and
X M C8 u3 O6 N& hdecreased erections. The father admitted using a testos-
3 ]/ \) ` U& Sterone gel, which he concealed at first visit. He was
& E; r1 Z8 P; |$ iusing it rather frequently, twice a day. The Physicians’
! w" {" y, O4 W0 E9 f: D) |Desk Reference, or package insert of this product, gel or
* }3 h9 `* h8 j& m+ \cream, cautions about dermal testosterone transfer to9 m" v! x7 F3 ~* y
unprotected females through direct skin exposure.
; V: X( z M5 h2 \+ g* tSerum testosterone level was found to be 2 times the
9 n8 ?1 X5 y: Q1 mbaseline value in those females who were exposed to/ [) M1 I$ Q1 r/ |
even 15 minutes of direct skin contact with their male
" X' X+ L% t* c2 b( ^% E9 n5 zpartners.6 However, when a shirt covered the applica-: |, J0 i! N) |: Q
tion site, this testosterone transfer was prevented.
& N( f6 l$ I: y! I& t/ JOur patient’s testosterone level was 60 ng/mL,# w+ R2 U) |, S4 f$ R4 C
which was clearly high. Some studies suggest that
( X5 ~* x( d% M J) wdermal conversion of testosterone to dihydrotestos-
* J$ E! a' j: [+ n; c/ B# t0 `* e; L, cterone, which is a more potent metabolite, is more
4 s p, ^/ n7 B$ xactive in young children exposed to testosterone8 k! ] e9 I2 K# M: Z; R4 g
exogenously7; however, we did not measure a dihy-# ?/ x9 {& K4 \& { k% o
drotestosterone level in our patient. In addition to; P; P' J- k. x) P" w
virilization, exposure to exogenous testosterone in: j* V( g9 ^5 L
children results in an increase in growth velocity and
+ H5 h" ^1 @/ G q8 Vadvanced bone age, as seen in our patient.$ j3 n, y. h6 f0 \6 c8 l4 u1 \$ W
The long-term effect of androgen exposure during5 R9 Q4 n8 q! e* I m
early childhood on pubertal development and final
: o$ r( f1 [1 f7 Q# Dadult height are not fully known and always remain
1 B8 c5 F" G0 r6 d" C Ha concern. Children treated with short-term testos-
' m& ?. |! w# a6 J6 k2 aterone injection or topical androgen may exhibit some
; E- ?* \/ {. qacceleration of the skeletal maturation; however, after; Y6 r$ f2 h; M9 n& B3 l' I4 M
cessation of treatment, the rate of bone maturation0 f1 \9 [& _+ Q0 G
decelerates and gradually returns to normal.8,9
, e5 P- ^/ M6 a, O+ YThere are conflicting reports and controversy( M0 S/ \! W$ b/ ^& l
over the effect of early androgen exposure on adult
; _* W3 C+ T; i, \8 k- f- v4 U* G4 u$ @penile length.10,11 Some reports suggest subnormal
! ?, e Y$ h9 J& F5 badult penile length, apparently because of downreg-
; M& y D0 Q3 Q9 yulation of androgen receptor number.10,12 However,6 z/ }; v1 B ^) n: E4 i
Sutherland et al13 did not find a correlation between
; Z! o% Q4 b' v1 T4 U( W echildhood testosterone exposure and reduced adult! u0 H. f! \0 ]2 o6 _* d3 |1 N
penile length in clinical studies.# e0 e h, c g+ [1 i" o: M. H
Nonetheless, we do not believe our patient is
' q$ p6 h( {! _ ^6 M, Tgoing to experience any of the untoward effects from$ m5 Q8 j v" a; u' X8 n7 J: Y: | t
testosterone exposure as mentioned earlier because9 J, r: Z; v; l5 x6 a$ o
the exposure was not for a prolonged period of time.
; s# I' j r2 v' g' SAlthough the bone age was advanced at the time of% m. c7 ?, }& z/ J0 o
diagnosis, the child had a normal growth velocity at8 |! V" e- R# G) Q- d
the follow-up visit. It is hoped that his final adult1 \" J7 L* y$ y e
height will not be affected.% t$ B& T E5 X& `
Although rarely reported, the widespread avail-
& q0 Z! K# C& y0 D! e$ o' h! z# kability of androgen products in our society may( c. g" e6 k: d: |# B
indeed cause more virilization in male or female1 t) ?! G* K* C8 Z4 W! l
children than one would realize. Exposure to andro-
* U% b# e; ~- A# A0 N. ~( k8 bgen products must be considered and specific ques-# d3 a1 a/ v9 u; `* n7 t" {1 P: U2 b
tioning about the use of a testosterone product or
0 i" t1 y+ {9 l% h0 m' Ygel should be asked of the family members during$ M1 s& L/ O- J- G) n
the evaluation of any children who present with vir-
, Z4 h' R1 N4 L, t( {. nilization or peripheral precocious puberty. The diag-' z, \4 O, }% @
nosis can be established by just a few tests and by
0 y* F) v7 h1 f/ V+ e1 W# Z: H i+ W+ \appropriate history. The inability to obtain such a( _3 \' {/ M* h2 ^ R& v
history, or failure to ask the specific questions, may, x: \. N5 \* u b
result in extensive, unnecessary, and expensive
q: R7 k0 N* ^2 Z9 T. [% L; l, kinvestigation. The primary care physician should be1 r! W- j5 S* C4 @. B8 b
aware of this fact, because most of these children ]3 x7 w. h2 `, r# h
may initially present in their practice. The Physicians’% p" |( j! o5 w- p$ c, r
Desk Reference and package insert should also put a
- B) t- ]- q' o- Kwarning about the virilizing effect on a male or4 b* D5 a4 j. y; k( S" Q
female child who might come in contact with some-( [" p+ V9 H7 T# y( H5 J
one using any of these products.
9 V9 u1 Z: E3 N4 _$ }References
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Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
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2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
/ p0 q/ n0 x3 O# o: Vpuberty in children with tumours of the suprasellar pineal7 V$ y- {8 ^2 |0 U
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2001;90:751-756.- }8 n4 I) O, M
3. Lee PA. Puberty and its disorders. In: Lifshitz F, ed.
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Dekker Inc; 2003:211-238.( P; n# s# F) h8 {9 {
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development in a two-year-old boy induced by topical
+ C* F9 f' m0 x' @exposure to testosterone. Pediatrics. 1999;104:e23.
* t# G! |9 m% _9 p. `( w; y5. Greulich WW, Pyle SI, eds. Radiographic Atlas of3 O r8 c. C- P# n6 T# D
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- y, u7 {. ]5 N- t0 JStanford, CA: Stanford University Press; 1959.
' L% Z0 K3 f$ C2 Z" G2 V9 {5 @- S6. Physicians’ Desk Reference. Androgel 1% testosterone,+ R$ t0 D6 y& ~! X( \5 j$ F
Unimed Pharmaceutical Inc. Montvale, NJ: Medical
7 K3 _7 A+ \' J. @7 M0 N8 a( fEconomics Company, Inc; 2004:3239-3241.
k, ~. x" u. f7. Klugo RC, Cerny JC. Response of micropenis to topical
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