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is a significant concern for physicians. Central h: F: G7 K; M" f
precocious puberty (CPP), which is mediated
3 A) \ D8 z9 c: J4 g5 X4 y# Dthrough the hypothalamic pituitary gonadal axis, has
8 K" o2 c6 {; G. Ja higher incidence of organic central nervous system. m: |/ D7 w7 f8 }/ O: q1 Y0 ~
lesions in boys.1,2 Virilization in boys, as manifested
" b( r0 K( ^' dby enlargement of the penis, development of pubic2 y; @* n& x( I8 k2 T
hair, and facial acne without enlargement of testi-3 o8 o* ^) E' }2 b# Y2 o/ n( S4 {
cles, suggests peripheral or pseudopuberty.1-3 We
4 ^# m! P! f9 j% nreport a 16-month-old boy who presented with the5 N* p, k+ P' l1 e3 a
enlargement of the phallus and pubic hair develop-
7 ^& z+ C8 {8 I! D" L& dment without testicular enlargement, which was due
3 h, @! e3 S/ W3 I" [1 x. ?to the unintentional exposure to androgen gel used by
- y5 J( f) i) _the father. The family initially concealed this infor-
' {# T: _: H, `) p" wmation, resulting in an extensive work-up for this1 R8 m; A- @; R2 y. R
child. Given the widespread and easy availability of
$ E0 Y7 i, c7 Z1 J' {' J# @testosterone gel and cream, we believe this is proba-: k# p# J! C7 }; N9 l, |" z
bly more common than the rare case report in the
3 }* R& U5 h/ W" J" i* bliterature.4
2 Q) T# ~, i$ zPatient Report
$ F$ ^( r- i- S& F& yA 16-month-old white child was referred to the
4 H4 u$ v. {% c I8 Y+ qendocrine clinic by his pediatrician with the concern* ?9 L( y' @3 S* B: v
of early sexual development. His mother noticed
$ Y; ?/ P& C# A: }- S( v+ B% ~light colored pubic hair development when he was0 U! W0 q0 o- B4 T: r+ g8 I
From the 1Division of Pediatric Endocrinology, 2University of
. v J4 x) y. \" \3 B2 W5 J/ H$ WSouth Alabama Medical Center, Mobile, Alabama.% D* g" @! p7 I& ^8 p( c4 [( C
Address correspondence to: Samar K. Bhowmick, MD, FACE,
# ^ f: J. J1 J8 I) F& U" i4 {8 l) mProfessor of Pediatrics, University of South Alabama, College of* q- V9 b0 j2 O: t: ]
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;( {& H- t8 N" B. {
e-mail: [email protected].
+ g% c! h7 L) q& ~& H; ?" rabout 6 to 7 months old, which progressively became
1 V+ I4 Q, X1 ?% cdarker. She was also concerned about the enlarge-0 G [ ^ `* Y4 }6 R) z$ I2 x# {
ment of his penis and frequent erections. The child% {$ K$ g# T. t1 G; G1 ?8 j
was the product of a full-term normal delivery, with7 C. _" X! V; f
a birth weight of 7 lb 14 oz, and birth length of
1 g! g* @) {# Q9 D20 inches. He was breast-fed throughout the first year
8 j! J: c' a+ V) c4 U! K3 Nof life and was still receiving breast milk along with" N j! f! m' k5 X1 k
solid food. He had no hospitalizations or surgery,
. r, V, `' o2 z0 d( c1 cand his psychosocial and psychomotor development
# F/ k* X# a( @1 {( {was age appropriate.
7 I! H4 L& I& u0 G1 S) SThe family history was remarkable for the father,
2 r) m: D2 c& t Y$ Rwho was diagnosed with hypothyroidism at age 16,
2 h' V6 E& d" h& fwhich was treated with thyroxine. The father’s
I: b( X* `- O& ^ |' o) E# Oheight was 6 feet, and he went through a somewhat
+ y; ^7 U+ Q* q/ i5 |7 R# w& `# vearly puberty and had stopped growing by age 14., p x8 a3 K, N
The father denied taking any other medication. The
g: r3 v! E- g9 L9 xchild’s mother was in good health. Her menarche
$ m! m8 L6 M) V- Owas at 11 years of age, and her height was at 5 feet# x' y2 H* e% z4 U" I! l5 m
5 inches. There was no other family history of pre-
; |3 G$ p$ G% c0 ococious sexual development in the first-degree rela-
& `" o5 s/ o3 e; G) r8 r, j Ntives. There were no siblings.
4 `- T4 V$ b& V3 _2 j% c/ G3 KPhysical Examination
& Y3 W! Y0 I. Y, C+ AThe physical examination revealed a very active,: t# B. e1 l; e: J( F$ X4 C Y8 p
playful, and healthy boy. The vital signs documented
$ O. E) q0 M4 I2 Ea blood pressure of 85/50 mm Hg, his length was
7 \! V2 `; B/ k: U [% S90 cm (>97th percentile), and his weight was 14.4 kg
* T4 a/ H& }* M& v4 A(also >97th percentile). The observed yearly growth2 |: `7 u0 U$ r1 c7 H
velocity was 30 cm (12 inches). The examination of2 K0 H: N8 a$ g' y& b/ x, |
the neck revealed no thyroid enlargement.1 V- j3 M# J- O% k( L( R& C, @# a
The genitourinary examination was remarkable for
9 J- i0 ~, w% }/ M1 n; D$ Z$ |' Nenlargement of the penis, with a stretched length of$ I" {% c( i- W$ x5 X, B
8 cm and a width of 2 cm. The glans penis was very well
[9 X4 u# N, M- v, Kdeveloped. The pubic hair was Tanner II, mostly around
9 w* j5 f1 p; r) c8 e+ z5405 ^4 t5 c' `3 S7 [8 G
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from+ }- H0 Q7 n1 b, `, N
the base of the phallus and was dark and curled. The1 \3 v$ f, N( S% Z4 a- ?
testicular volume was prepubertal at 2 mL each.4 K7 W( _6 f/ l2 @/ }' c
The skin was moist and smooth and somewhat
, e# j) o# Z' e% ~& Y# `oily. No axillary hair was noted. There were no" l2 o/ i9 A% u& x6 O
abnormal skin pigmentations or café-au-lait spots." X% A! \, j. b% n
Neurologic evaluation showed deep tendon reflex 2+
$ V( C/ f& C" [/ q% |; W( Ubilateral and symmetrical. There was no suggestion
& [4 s0 M5 x: P, b% Z2 Yof papilledema.4 y" u$ f4 `, k
Laboratory Evaluation
4 M; \% y; X$ R' I- a( y$ k' }The bone age was consistent with 28 months by N2 Z& ?8 n, I) _0 j( }
using the standard of Greulich and Pyle at a chrono-& Z0 ^) I- ]& Q- D( Z
logic age of 16 months (advanced).5 Chromosomal: W: q1 v O4 z
karyotype was 46XY. The thyroid function test
& t! T: h5 ^* d9 cshowed a free T4 of 1.69 ng/dL, and thyroid stimu-
6 J0 W/ L5 T+ ?& \; [( hlating hormone level was 1.3 µIU/mL (both normal).
" R1 d' |8 k4 O9 rThe concentrations of serum electrolytes, blood
$ h4 v7 J+ ~ N7 C. M& i8 ?urea nitrogen, creatinine, and calcium all were/ A6 W) Y. ?# U4 A& ?
within normal range for his age. The concentration7 r5 K+ m3 d1 j7 Q* ^; z
of serum 17-hydroxyprogesterone was 16 ng/dL) J5 I! ]$ n0 ~) M
(normal, 3 to 90 ng/dL), androstenedione was 200 }: _$ a0 D( N
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
3 T2 h* Y8 h9 N9 w/ A, Eterone was 38 ng/dL (normal, 50 to 760 ng/dL),9 c' z/ z( \0 Z/ I# U
desoxycorticosterone was 4.3 ng/dL (normal, 7 to0 p* K4 ?3 C' w4 Y9 K
49ng/dL), 11-desoxycortisol (specific compound S)
" A: z; \3 b* k. I* U: H5 Dwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-* p, e! @ Q' z5 [
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
7 I, Q& a* L& X6 J( l* ^3 Htestosterone was 60 ng/dL (normal <3 to 10 ng/dL),/ _+ m2 z8 c. X% R X( L" K# ]. x
and β-human chorionic gonadotropin was less than
: I% j3 z3 s1 _& y+ Y5 mIU/mL (normal <5 mIU/mL). Serum follicular
\) J% O# L8 ?* e6 i2 S; E+ Vstimulating hormone and leuteinizing hormone" d7 z1 i! Z! W+ ]
concentrations were less than 0.05 mIU/mL1 ]$ K f% ~8 a( N+ ~- \! U
(prepubertal).
) C6 n$ U/ r" J7 h8 I% xThe parents were notified about the laboratory
4 Q/ x9 Z; G$ Tresults and were informed that all of the tests were
) `& o- G0 [% b: ?normal except the testosterone level was high. The% N& L4 }6 Y9 ]% Q# v3 W P1 [: V
follow-up visit was arranged within a few weeks to4 F- j+ p) T5 ]2 \- f9 m, a2 y. O
obtain testicular and abdominal sonograms; how-; f- n$ F9 g/ r* q" X9 R
ever, the family did not return for 4 months.
n Y) Q8 N Q0 H: BPhysical examination at this time revealed that the! y. ?% Y: v& Z5 ]+ K6 q. ^5 h5 w/ j
child had grown 2.5 cm in 4 months and had gained/ G# D( H9 ~6 k
2 kg of weight. Physical examination remained
" f8 M$ p, b: Y) `! R9 Lunchanged. Surprisingly, the pubic hair almost com-2 S, E2 _; W7 L+ n' c7 Z$ V
pletely disappeared except for a few vellous hairs at
j' J# `, z; g- c, ~8 ythe base of the phallus. Testicular volume was still 2' C( V7 {0 g% h9 C5 U. i
mL, and the size of the penis remained unchanged.
0 R4 k+ h k4 B# Q& ~: ?) PThe mother also said that the boy was no longer hav-
: W6 H1 K$ _* r" n4 R: ?ing frequent erections.
, k" H3 _* t* ^: _% I+ @& YBoth parents were again questioned about use of6 }/ X4 Y3 t' J" j+ H* h
any ointment/creams that they may have applied to
6 c `/ h1 m3 i- x: bthe child’s skin. This time the father admitted the
1 G m: R9 B) q5 `2 UTopical Testosterone Exposure / Bhowmick et al 541) U) f) t" M1 p
use of testosterone gel twice daily that he was apply-
9 c) T! l2 C$ l; ~7 W/ ?" t3 eing over his own shoulders, chest, and back area for
5 r- U! o1 |! sa year. The father also revealed he was embarrassed
3 Q+ m4 ]; [1 G# C3 ^3 Eto disclose that he was using a testosterone gel pre-" p, k* A- Q* o, m
scribed by his family physician for decreased libido' @1 E) k8 Y1 {' t( s; g4 h
secondary to depression.) z- D; ]: K% D1 C+ ~5 H C
The child slept in the same bed with parents.4 j( B L- t8 P. z5 ]
The father would hug the baby and hold him on his6 {8 r' W+ s1 `3 C+ f
chest for a considerable period of time, causing sig-0 {( \# y9 R; g2 a' a, l
nificant bare skin contact between baby and father.
3 t3 E. w5 d, p! b' d" J9 n( NThe father also admitted that after the phone call,
( J) _; ]3 ~- Jwhen he learned the testosterone level in the baby2 b# q2 ?, q# j
was high, he then read the product information
- @ b9 U% b4 N0 i; xpacket and concluded that it was most likely the rea-
4 |# F/ T$ X* v1 nson for the child’s virilization. At that time, they
y% Q; n% }0 N- Y$ u7 qdecided to put the baby in a separate bed, and the
! {. O: f( {4 G% L; r8 q9 qfather was not hugging him with bare skin and had
* X& X# S6 s9 S! u. Dbeen using protective clothing. A repeat testosterone# F& {, D* G E; O& ^6 Q3 L, r, {$ y
test was ordered, but the family did not go to the
/ Y( Z4 w4 y; b$ Plaboratory to obtain the test.8 n- T2 K3 k" L [& W% @! f
Discussion6 a. `$ e- l+ p; J
Precocious puberty in boys is defined as secondary
* V: g7 B7 h- {( M) l# rsexual development before 9 years of age.1,4* H6 q" Q P- J1 o4 M1 p
Precocious puberty is termed as central (true) when
7 \" K9 T+ `- B0 vit is caused by the premature activation of hypo-# M# Z; u0 s4 }8 V. i
thalamic pituitary gonadal axis. CPP is more com-/ b! X0 b, B% W
mon in girls than in boys.1,3 Most boys with CPP
) u& ~5 V% M6 \3 Q+ u$ G G' Omay have a central nervous system lesion that is
3 ^, f/ w' g; W6 U( U! @: bresponsible for the early activation of the hypothal-: j+ O2 O* e5 z
amic pituitary gonadal axis.1-3 Thus, greater empha-
$ u) g4 v. ]+ J: dsis has been given to neuroradiologic imaging in; @2 b7 @& f" G" j! s1 k% w
boys with precocious puberty. In addition to viril-3 ?2 V/ J6 V1 @
ization, the clinical hallmark of CPP is the symmet-9 Q. ^# M9 y; B) h
rical testicular growth secondary to stimulation by
0 s1 f+ s3 T: Q8 @gonadotropins.1,3
+ T; G* P0 w- sGonadotropin-independent peripheral preco-
3 @ H" F9 K1 R A1 ycious puberty in boys also results from inappropriate G l6 U- t5 `6 X9 O
androgenic stimulation from either endogenous or7 G0 s2 P7 A8 w) [' c
exogenous sources, nonpituitary gonadotropin stim-0 \! b) P% m' s- e$ f
ulation, and rare activating mutations.3 Virilizing* Z, M z; J* B: `/ I9 d
congenital adrenal hyperplasia producing excessive
/ b0 @3 I( A/ Iadrenal androgens is a common cause of precocious
, S; I- Q3 @; F6 Z' Hpuberty in boys.3,4
; G* X9 n' Y4 D" r1 [; QThe most common form of congenital adrenal
- T7 X1 ~5 }& B# x, x5 H# \/ [! ehyperplasia is the 21-hydroxylase enzyme deficiency. G/ [( D' G& l' ?8 {
The 11-β hydroxylase deficiency may also result in
, P+ Z5 v1 m3 ?! Y2 ?excessive adrenal androgen production, and rarely,0 k$ O- x. K7 }/ _
an adrenal tumor may also cause adrenal androgen$ y: h" L' F8 O& d `
excess.1,3) k2 S! ], [$ Y( r
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
% X( A% z" L( a8 z' V& X) u# v" K542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
6 B. H5 w5 H9 p, e8 MA unique entity of male-limited gonadotropin-8 Y3 f$ h2 Z+ T
independent precocious puberty, which is also known
: V# a! [: C/ ias testotoxicosis, may cause precocious puberty at a* J( S6 q% a& \5 `7 c: F- [
very young age. The physical findings in these boys
1 q0 T$ C- m, R4 W- B+ Vwith this disorder are full pubertal development,2 u( O) P4 R% Q) G+ i2 f; X
including bilateral testicular growth, similar to boys
7 j' h( B1 W* w7 `- c4 i% [5 m% Iwith CPP. The gonadotropin levels in this disorder
6 C* |) b# W2 N' Ware suppressed to prepubertal levels and do not show, A3 t/ H/ M8 j0 R; `; O
pubertal response of gonadotropin after gonadotropin-+ m8 U' c& d( \2 q8 f( X
releasing hormone stimulation. This is a sex-linked+ _$ |7 P3 _7 ?8 J5 N! r$ K
autosomal dominant disorder that affects only
+ D4 ]# H# L2 b4 I4 Z% umales; therefore, other male members of the family
) M9 M( z% z1 l( k* umay have similar precocious puberty.3
# X' V/ y+ S3 y/ }In our patient, physical examination was incon-
* ^8 B R5 S4 ?% A: Ysistent with true precocious puberty since his testi-
: v$ m" A a6 T4 x Q6 N. Xcles were prepubertal in size. However, testotoxicosis- U' @& [" \- p. m! D
was in the differential diagnosis because his father
1 p" c6 w: r3 N, d$ Rstarted puberty somewhat early, and occasionally,
: [& D9 k8 G% p; ytesticular enlargement is not that evident in the$ p- Q: d F+ s2 [! s' D
beginning of this process.1 In the absence of a neg-
x A( Z6 C% `2 C8 _) s# iative initial history of androgen exposure, our! N ^7 m. B& A$ Q! D
biggest concern was virilizing adrenal hyperplasia,
1 L$ B! ^$ j3 x. feither 21-hydroxylase deficiency or 11-β hydroxylase
$ c% @6 G( B u" V$ X9 w# ideficiency. Those diagnoses were excluded by find-
% F: a; k" h+ N; i1 m$ iing the normal level of adrenal steroids.: j2 p& ~7 a* K. z
The diagnosis of exogenous androgens was strongly
, L& t4 A _; j6 g4 s9 esuspected in a follow-up visit after 4 months because
B, d7 u) _% nthe physical examination revealed the complete disap-$ o5 w% w& s. ]' f$ l! G0 b. `
pearance of pubic hair, normal growth velocity, and- Q1 P, [9 W# Z* z7 M, y& u o
decreased erections. The father admitted using a testos-1 z: v# F ]1 \4 H! P$ h
terone gel, which he concealed at first visit. He was
& I/ p& k4 y9 k0 ousing it rather frequently, twice a day. The Physicians’
6 h6 @' J; G9 F. T9 ~# _0 iDesk Reference, or package insert of this product, gel or [ I5 b) ]! W4 `" X$ q+ s' y
cream, cautions about dermal testosterone transfer to
2 n. v! P% z3 @2 F+ }: \6 M$ qunprotected females through direct skin exposure.1 g, l/ _6 i% s5 Q, ?9 f
Serum testosterone level was found to be 2 times the
6 h- y8 h, ?% j0 A# o6 T8 `0 H6 cbaseline value in those females who were exposed to
7 t" V# J2 G# A8 Veven 15 minutes of direct skin contact with their male* J& [4 U+ M* h' R' ]1 X
partners.6 However, when a shirt covered the applica-
$ r4 J8 a& y9 I5 B9 l2 x) i# v5 Stion site, this testosterone transfer was prevented.$ L9 _: z" g/ z2 F
Our patient’s testosterone level was 60 ng/mL,
$ n7 s. v8 K- \6 p. Z \which was clearly high. Some studies suggest that6 O/ N5 F1 h* B0 F, z
dermal conversion of testosterone to dihydrotestos-4 ?* y/ C+ `* [: a% F9 e' C
terone, which is a more potent metabolite, is more9 E# d4 u% u8 M+ a( a/ l. S! M% d
active in young children exposed to testosterone8 g* ~) {/ X6 d* N5 n
exogenously7; however, we did not measure a dihy-
4 `# [! q( W4 p& ddrotestosterone level in our patient. In addition to. p! a' ^- s- r) y
virilization, exposure to exogenous testosterone in
( }2 h* P& `% bchildren results in an increase in growth velocity and8 |% H: k$ ?# O; B. `2 H
advanced bone age, as seen in our patient.
4 @8 p, G2 f' j& ?# ~- N9 g/ x2 OThe long-term effect of androgen exposure during- ~; H8 g( H' t% ~- U4 x
early childhood on pubertal development and final
( c% y) v: D. g0 [0 `1 f' `adult height are not fully known and always remain
0 x- B) F) |8 {. W/ l m z. fa concern. Children treated with short-term testos-
4 k# R; D& M1 l) gterone injection or topical androgen may exhibit some9 u4 s' q' a6 l# h# |. b
acceleration of the skeletal maturation; however, after( T+ w; l/ i; j- g; @3 i% F8 n
cessation of treatment, the rate of bone maturation+ h7 F# J3 _5 r- T7 f" o, u$ ~
decelerates and gradually returns to normal.8,9. `) g {* [2 S. @3 I
There are conflicting reports and controversy
2 Z7 C( c' j$ O6 Pover the effect of early androgen exposure on adult
9 d+ c* Y+ x; bpenile length.10,11 Some reports suggest subnormal2 x0 k! s+ P- [# ]: a5 `& _. \
adult penile length, apparently because of downreg-7 S2 C1 D% _' ?5 p8 R
ulation of androgen receptor number.10,12 However,
$ _+ k# {7 M, x4 k( iSutherland et al13 did not find a correlation between
) D0 d" N9 S$ }* F; Kchildhood testosterone exposure and reduced adult! C, b3 L+ D# }1 k+ b* W
penile length in clinical studies.; l0 G2 Q3 {1 O6 b7 \
Nonetheless, we do not believe our patient is8 X& _$ D$ R# t# H. H
going to experience any of the untoward effects from
, w3 j5 f7 n+ H3 F0 `testosterone exposure as mentioned earlier because8 m% P& b, W) L
the exposure was not for a prolonged period of time.0 S* T4 [3 `, \: V4 t2 R
Although the bone age was advanced at the time of
. m3 @0 a1 @+ ^$ S- Hdiagnosis, the child had a normal growth velocity at d4 u" F3 S0 w9 N" Q0 w
the follow-up visit. It is hoped that his final adult' F( ]% C, c/ T9 h! A- [
height will not be affected.+ s( [; ~: ^5 x* r% P6 J
Although rarely reported, the widespread avail-3 n% d# G; \ C: }, \* d
ability of androgen products in our society may
* g9 s! y3 _) X4 ~, ?4 t& yindeed cause more virilization in male or female$ ]+ r# @* h" |1 w3 `* z
children than one would realize. Exposure to andro-
5 M b8 ?( h$ }, _6 z$ Jgen products must be considered and specific ques-6 s Y; N. c) H
tioning about the use of a testosterone product or
# e" M+ e1 L: L/ K0 H/ P, C; mgel should be asked of the family members during8 y5 q! `2 m* D7 F
the evaluation of any children who present with vir-
! Q- Z+ a* x) r' |* W% B1 Silization or peripheral precocious puberty. The diag-2 A( u' m" ^; s5 r; v
nosis can be established by just a few tests and by
3 D6 q7 P9 ~) K+ W0 v: }( qappropriate history. The inability to obtain such a
7 j, \) ]2 m( L0 }% Z. Vhistory, or failure to ask the specific questions, may
1 H5 }2 D$ U' ?5 f. S9 E" cresult in extensive, unnecessary, and expensive `5 M9 |. e# x4 Z; \, U
investigation. The primary care physician should be; B, V) Y# i5 D3 u/ [$ l
aware of this fact, because most of these children
: Y' w+ V' i, j6 ^ _. N0 Bmay initially present in their practice. The Physicians’+ N8 n/ d% G2 y2 S* H4 u& |. v: i
Desk Reference and package insert should also put a. I; s# F0 G$ A, L$ s
warning about the virilizing effect on a male or
$ e1 Z- q3 T( w/ u* }* [/ Pfemale child who might come in contact with some-
; z8 ^/ b/ L4 x0 B$ a! @- ?# T% J# Hone using any of these products.
0 l) Y$ y4 Q3 D# {, y. vReferences
$ ~* I4 s% J, d; z" m1. Styne DM. The testes: disorder of sexual differentiation' {8 O6 J: k4 D$ q& l' D W' ?/ ^1 D
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Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
\ P: Z4 Y* e2 u' ^1 _2002: 565-628." ]4 Z* h: ], }5 u
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious5 ]! w: N+ L, ?" `, F
puberty in children with tumours of the suprasellar pineal3 x( c% O9 E* \3 ?: O" A0 E8 n
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2001;90:751-756.$ ], c5 Q9 x9 `! }
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) K7 X$ L8 ?. Q- I" FDekker Inc; 2003:211-238.
- m: ~3 b6 H$ r- o4. Yu YM, Punyasavatsu N, Elder D, D’Ercole AJ. Sexual
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exposure to testosterone. Pediatrics. 1999;104:e23.. _* K7 E3 W; I4 y8 o2 O5 ^ D
5. Greulich WW, Pyle SI, eds. Radiographic Atlas of
|) {, ?- C4 z; C/ wSkeletal Development of the Hand and Wrist. 2nd ed.
1 E/ J4 X' p/ c$ s8 ?Stanford, CA: Stanford University Press; 1959.
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Unimed Pharmaceutical Inc. Montvale, NJ: Medical
0 t" ~4 i$ s9 l' w! ZEconomics Company, Inc; 2004:3239-3241. C( i( H# n' C! V
7. Klugo RC, Cerny JC. Response of micropenis to topical' o& p9 R" c( I5 e
testosterone and gonadotropin. J Urol. 1978;119:
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