Optimal cutoff value of contralateral testicular size for prediction of absent testis in Japanese boys with nonpalpable testis

Urology

Volumn 76, Issue 1, 2010, Pages 78-81

  Shibata, Yasuhiro ^a   Kojima, Yoshiyuki ^a   Mizuno, Kentaro ^a   Nakane, Akihiro ^a   Kato, Toshiki ^a   Kamisawa, Hideyuki ^a   Kohri, Kenjiro ^a   Hayashi, Yutaro ^a  

^a NAGOYA CITY UNIVERSITY GRADUATE SCHOOL OF MEDICAL SCIENCES   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

AGENESIS; ARTICLE; CHILD; CONTROLLED STUDY; CRYPTORCHISM; DIAGNOSTIC ACCURACY; DIAGNOSTIC TEST ACCURACY STUDY; DIAGNOSTIC VALUE; HUMAN; INFANT; JAPANESE; LAPAROSCOPIC SURGERY; LAPAROSCOPY; MAJOR CLINICAL STUDY; MALE; NONPALPABLE TESTIS; ORCHIDOPEXY; PHYSICAL EXAMINATION; PRESCHOOL CHILD; PRIORITY JOURNAL; SENSITIVITY AND SPECIFICITY; TESTIS DESCENT; TESTIS DEVELOPMENT; TESTIS DISEASE; TESTIS SIZE; CONGENITAL MALFORMATION; HYPERTROPHY; JAPAN; ORGAN SIZE; PALPATION; PATHOLOGY; PREDICTION AND FORECASTING; REPRODUCIBILITY; TESTIS;

CHILD, PRESCHOOL; HUMANS; HYPERTROPHY; JAPAN; MALE; ORGAN SIZE; PALPATION; PREDICTIVE VALUE OF TESTS; REPRODUCIBILITY OF RESULTS; TESTIS;

EID: 77955883435     PISSN: 00904295     EISSN: 15279995     Source Type: Journal    
DOI: 10.1016/j.urology.2010.02.043     Document Type: Article

References (17)

1. Franco I. Evaluation and management of impalpable testes. In: Belman AB, King LR, Kramer S, eds. Clinical Pediatric Urology, 2nd ed. London: Martin Dunitz; 2002:1155-1172.
2. Siemer S, Humke U, Uder M, et al. Diagnosis of nonpalpable testes in childhood: Comparison of magnetic resonance imaging and laparoscopy in a prospective study. Eur J Pediatr Surg. 2000;10:114-118. (Pubitemid 30349352)
3. Laron Z, Dickerman Z, Ritterman I, et al. Follow-up of boys with unilateral compensatory testicular hypertrophy. Fertil Steril. 1980; 33:297-301. (Pubitemid 10153743)
4. Koff SA. Does compensatory testicular enlargement predict monorchism? J Urol. 1991;146:632-633.
5. Hurwitz RS, Kaptein JS. How well does contralateral testis hypertrophy predict the absence of the nonpalpable testis? J Urol. 2001; 165:588-592. (Pubitemid 32060484)
6. Huff DS, Snyder HM III, Hadziselimovic F, et al. An absent testis is associated with contralateral testicular hypertrophy. J Urol. 1992; 148:627-628.
7. Mesrobian HG, Chassaignac JM, Laud PW. The presence or absence of an nonpalpable testis can be predicted from clinical observations alone. BJU Int. 2002;90:97-99.
8. Belman AB, Rushton HG. Is an empty left hemiscrotum and hypertrophied right descended testis predictive of perinatal torsion? J Urol. 2003;170:1674-1675. (Pubitemid 37102443)
9. Diamond JM. Ethnic differences: Variation in human testis size. Nature. 1986;320:488-489.
10. Mittwoch U. Ethnic differences in testis size: A possible link with the cytogenetics of true hermaphroditism. Hum Reprod. 1988;3:445-449.
11. Johnson L, Barnard JJ, Rodriguez L, et al. Ethnic differences in testicular structure and spermatogenic potential may predispose testes of Asian men to a heightened sensitivity to steroidal contraceptives. J Androl. 1998;19:348-357. (Pubitemid 28265112)
12. Kanemoto K, Hayashi Y, Kojima Y, et al. The management of nonpalpable testis with combined groin exploration and subsequent transinguinal laparoscopy. J Urol. 2002;167:674-676. (Pubitemid 34074561)
13. Hayashi Y, Mogami T, Sasaki S, et al. Transinguinal laparoscopy for nonpalpable testis. Int J Urol. 1996;3:274-277. (Pubitemid 26264299)
14. Kojima Y, Mizuno K, Imura M, et al. Laparoscopic orchiectomy and subsequent internal ring closure for extra-abdominal testicular nubbin in children. Urology. 2009;73:515-519.
15. Nijs SM, Eijsbouts SW, Madern GC, et al. Nonpalpable testes: Is there a relationship between ultrasonographic and operative findings? Pediatr Radiol. 2007;37:374-379. (Pubitemid 46390153)
16. Elder JS. Ultrasonography is unnecessary in evaluating boys with a nonpalpable testis. Pediatrics. 2002;110:748-751.
17. Maghnie M, Vanzulli A, Paesano P, et al. The accuracy of magnetic resonance imaging and ultrasonography compared with surgical findings in the localization of the undescended testis. Arch Pediatr Adolesc Med. 1994;148:699-703. (Pubitemid 24218472)