참고문헌
- Sijstermans K, Hack WW, Meijer RW, van der Voort-Doedens LM. The frequency of undescended testis from birth to adulthood: a review. Int J Androl 2008;31:1-11. https://doi.org/10.1111/j.1365-2605.2008.00916.x
- Holland AJ, Nassar N, Schneuer FJ. Undescended testes: an update. Curr Opin Pediatr 2016;28:388-94. https://doi.org/10.1097/MOP.0000000000000335
- Radmayr C, Dogan HS, Hoebeke P, Kocvara R, Nijman R, Silay S, et al. Management of undescended testes: European Association of Urology/European Society for Paediatric Urology Guidelines. J Pediatr Urol 2016;12:335-43. https://doi.org/10.1016/j.jpurol.2016.07.014
- Boisen KA, Kaleva M, Main KM, Virtanen HE, Haavisto AM, Schmidt IM, et al. Difference in prevalence of congenital cryptorchidism in infants between two Nordic countries. Lancet 2004;363:1264-9. https://doi.org/10.1016/S0140-6736(04)15998-9
- Kuiri-Hanninen T, Koskenniemi J, Dunkel L, Toppari J, Sankilampi U. postnatal testicular activity in healthy boys and boys with cryptorchidism. Front Endocrinol (Lausanne) 2019;10:489. https://doi.org/10.3389/fendo.2019.00489
- Nah SA, Yeo CS, How GY, Allen JC, Jr., Lakshmi NK, Yap TL, et al. Undescended testis: 513 patients' characteristics, age at orchidopexy and patterns of referral. Arch Dis Child 2014;99:401-6. https://doi.org/10.1136/archdischild-2013-305225
- Lip SZ, Murchison LE, Cullis PS, Govan L, Carachi R. A meta-analysis of the risk of boys with isolated cryptorchidism developing testicular cancer in later life. Arch Dis Child 2013;98:20-6. https://doi.org/10.1136/archdischild-2012-302051
- Cook MB, Akre O, Forman D, Madigan MP, Richiardi L, McGlynn KA. A systematic review and meta-analysis of perinatal variables in relation to the risk of testicular cancer--experiences of the son. Int J Epidemiol 2010;39:1605-18. https://doi.org/10.1093/ije/dyq120
- Mavrogenis S, Urban R, Czeizel AE. Characteristics of boys with the so-called true undescended testis diagnosed at the third postnatal month-a population-based case-control study. J Matern Fetal Neonatal Med 2015;28:1152-7. https://doi.org/10.3109/14767058.2014.947569
- Gurney JK, McGlynn KA, Stanley J, Merriman T, Signal V, Shaw C, et al. Risk factors for cryptorchidism. Nat Rev Urol 2017;14:534-48. https://doi.org/10.1038/nrurol.2017.90
- McGlynn KA, Graubard BI, Klebanoff MA, Longnecker MP. Risk factors for cryptorchism among populations at differing risks of testicular cancer. Int J Epidemiol 2006;35:787-95. https://doi.org/10.1093/ije/dyl024
- Hackshaw A, Rodeck C, Boniface S. Maternal smoking in pregnancy and birth defects: a systematic review based on 173 687 malformed cases and 11.7 million controls. Hum Reprod Update 2011;17:589-604. https://doi.org/10.1093/humupd/dmr022
- Zhang L, Wang XH, Zheng XM, Liu TZ, Zhang WB, Zheng H, et al. Maternal gestational smoking, diabetes, alcohol drinking, pre-pregnancy obesity and the risk of cryptorchidism: a systematic review and meta-analysis of observational studies. PLoS One 2015;10:e0119006. https://doi.org/10.1371/journal.pone.0119006
- Cho A, Thomas J, Perera R, Cherian A. Undescended testis. BMJ 2019;364:l926.
- Cryptorchidism: a prospective study of 7500 consecutive male births, 1984-8. John Radcliffe Hospital Cryptorchidism Study Group. Arch Dis Child 1992;67:892-9. https://doi.org/10.1136/adc.67.7.892
- Keys C, Heloury Y. Retractile testes: a review of the current literature. J Pediatr Urol 2012;8:2-6. https://doi.org/10.1016/j.jpurol.2011.03.016
- Yeap E, Nataraja RM, Pacilli M. Undescended testes: what general practitioners need to know. Aust J Gen Pract 2019;48:33-6. https://doi.org/10.31128/ajgp-07-18-4633
- Haid B, Silay MS, Radford A, Rein P, Banuelos B, Oswald J, et al. Late ascended testes: is non-orthotopic gubernacular insertion a confirmation of an alternative embryological etiology? J Pediatr Urol 2019;15:71.e1-6. https://doi.org/10.1016/j.jpurol.2018.10.013
- Hutson JM, Balic A, Nation T, Southwell B. Cryptorchidism. Semin Pediatr Surg 2010;19:215-24. https://doi.org/10.1053/j.sempedsurg.2010.04.001
- Cendron M, Huff DS, Keating MA, Snyder HM 3rd, Duckett JW. Anatomical, morphological and volumetric analysis: a review of 759 cases of testicular maldescent. J Urol 1993;149:570-3. https://doi.org/10.1016/S0022-5347(17)36151-7
- Braga LH, Kim S, Farrokhyar F, Lorenzo AJ. Is there an optimal contralateral testicular cut-off size that predicts monorchism in boys with nonpalpable testicles? J Pediatr Urol 2014;10:693-8. https://doi.org/10.1016/j.jpurol.2014.05.011
- Haid B, Rein P, Oswald J. Undescended testes: diagnostic algorithm and treatment. Eur Urol Focus 2017;3:155-7. https://doi.org/10.1016/j.euf.2017.05.009
- Ito Y, Kitamura H. Antenatal ultrasound visualization of left testis that then vanished after birth. Pediatr Int 2014;56:928-30. https://doi.org/10.1111/ped.12401
- Dangle P, Salgado C, Reyes-Mugica M, Schneck F, Ost M, Sims-Lucas S. Testicular hypoplasia is driven by defective vascular formation. Urology 2017;101:94-8. https://doi.org/10.1016/j.urology.2016.10.010
- Ganni P, Vachhani N, Udayasankar U. Intrauterine testicular torsion. J Urol 2014;191:217-8. https://doi.org/10.1016/j.juro.2013.10.031
- Yoshii K, Naiki Y, Terada Y, Fukami M, Horikawa R. Mismatch between fetal sexing and birth phenotype: a case of complete androgen insensitivity syndrome. Endocr J 2018;65:221-5. https://doi.org/10.1507/endocrj.EJ17-0289
- Deeb A, Hughes IA. Inguinal hernia in female infants: a cue to check the sex chromosomes? BJU Int 2005;96:401-3. https://doi.org/10.1111/j.1464-410X.2005.05639.x
- Raj V, Redkar R, Krishna S, Tewari S. Rare case of transverse testicular ectopia - case report and review of literature. Int J Surg Case Rep 2017;41:407-10. https://doi.org/10.1016/j.ijscr.2017.09.032
- Naji H, Peristeris A, Stenman J, Svensson JF, Wester T. Transverse testicular ectopia: three additional cases and a review of the literature. Pediatr Surg Int 2012;28:703-6. https://doi.org/10.1007/s00383-012-3105-7
- Kolon TF, Herndon CD, Baker LA, Baskin LS, Baxter CG, Cheng EY, et al. Evaluation and treatment of cryptorchidism: AUA guideline. J Urol 2014;192:337-45. https://doi.org/10.1016/j.juro.2014.05.005
- British Association of Pediatric Surgeons. Commissioning guide: paediatric orchidopexy for undescended testis. London: Royal College of Surgeons of England (RCS); British Association of Urological Surgeons (BAUS), 2015.
- Braga LH, Lorenzo AJ, Romao RLP. Canadian Urological Association-Pediatric Urologists of Canada (CUA-PUC) guideline for the diagnosis, management, and followup of cryptorchidism. Can Urol Assoc J 2017;11:E251-60. https://doi.org/10.5489/cuaj.4585
- Radmayr C, Bogaert G, Dogan HS, Kocvara R, Nijman JM, Stein R, et al. EAU Guidelines on Paediatric Urology 2018. Arnhem (The Netherlands): European Association of Urology; European Society for Paediatric Urology, 2018.
- Tasian GE, Copp HL. Diagnostic performance of ultrasound in non-palpable cryptorchidism: a systematic review and meta-analysis. Pediatrics 2011;127:119-28. https://doi.org/10.1542/peds.2010-1800
- Tasian GE, Yiee JH, Copp HL. Imaging use and cryptorchidism: determinants of practice patterns. J Urol 2011;185:1882-7. https://doi.org/10.1016/j.juro.2010.12.065
- Elder JS. Ultrasonography is unnecessary in evaluating boys with a nonpalpable testis. Pediatrics 2002;110:748-51. https://doi.org/10.1542/peds.110.4.748
- Esposito C, Escolino M, Savanelli A, Alicchio F, Roberti A, Settimi A. Ultrasonography is unnecessary and misleading in evaluating boys with a nonpalpable testis and can be a cause of a legal process. Med Sci Law 2013;53:247-8. https://doi.org/10.1177/0025802413481013
- Jedrzejewski G, Wieczorek AP, Osemlak P, Nachulewicz P. The role of ultrasound in the management of undescended testes before and after orchidopexy - an update. Medicine (Baltimore) 2016;95:e5731. https://doi.org/10.1097/md.0000000000005731
- Lee SW, Kim KS, Chang HS, Ryu DS. Comprehension and practice patterns toward cryptorchidism in Korean Urologists. Korean J Urol 2009;50:169-78. https://doi.org/10.4111/kju.2009.50.2.169
- Chua ME, Mendoza JS, Gaston MJ, Luna SL Jr., Morales ML Jr. Hormonal therapy using gonadotropin releasing hormone for improvement of fertility index among children with cryptorchidism: a meta-analysis and systematic review. J Pediatr Surg 2014;49:1659-67. https://doi.org/10.1016/j.jpedsurg.2014.06.013
- Li T, Gao L, Chen P, Bu S, Cao D, Yang L, et al. A systematic review and meta-analysis of comparative studies assessing the efficacy of luteinizing hormone-releasing hormone therapy for children with cryptorchidism. Int Urol Nephrol 2016;48:635-44. https://doi.org/10.1007/s11255-016-1235-x
- Hjertkvist M, Lackgren G, Ploen L, Bergh A. Does HCG treatment induce inflammation-like changes in undescended testes in boys? J Pediatr Surg 1993;28:254-8. https://doi.org/10.1016/S0022-3468(05)80288-X
- Waldschmidt J, el-Dessouky M, Priefer A. Therapeutic results in cryptorchidism after combination therapy with LH-RH nasal spray and hCG. Eur J Pediatr 1987;146 Suppl 2:S31-4. https://doi.org/10.1007/BF00452866
- Ong C, Hasthorpe S, Hutson JM. Germ cell development in the descended and cryptorchid testis and the effects of hormonal manipulation. Pediatr Surg Int 2005;21:240-54. https://doi.org/10.1007/s00383-005-1382-0
- Cortes D, Thorup J, Visfeldt J. Hormonal treatment may harm the germ cells in 1 to 3-year-old boys with cryptorchidism. J Urol 2000;163:1290-2. https://doi.org/10.1016/S0022-5347(05)67763-4
- Vincel B, Verkauskas G, Bilius V, Dasevicius D, Malcius D, Jones B, et al. Gonadotropin-releasing hormone agonist corrects defective mini-puberty in boys with cryptorchidism: a prospective randomized study. Biomed Res Int 2018;2018:4651218. https://doi.org/10.1155/2018/4651218
- Hutson JM, Thorup J. Evaluation and management of the infant with cryptorchidism. Curr Opin Pediatr 2015;27:520-4. https://doi.org/10.1097/mop.0000000000000237
- Steinbrecher H. The undescended testis: working towards a unified care pathway for 2014. Arch Dis Child 2014;99:397-8. https://doi.org/10.1136/archdischild-2013-305459
- Schneuer FJ, Holland AJ, Pereira G, Jamieson S, Bower C, Nassar N. Age at surgery and outcomes of an undescended testis. Pediatrics 2016;137:e20152768. https://doi.org/10.1542/peds.2015-2768
- Chan E, Wayne C, Nasr A. Ideal timing of orchiopexy: a systematic review. Pediatr Surg Int 2014;30:87-97. https://doi.org/10.1007/s00383-013-3429-y
- Wei Y, Wu SD, Wang YC, Lin T, He DW, Li XL, et al. A 22-year retrospective study: educational update and new referral pattern of age at orchidopexy. BJU Int 2016;118:987-93. https://doi.org/10.1111/bju.13588
- Ritzen EM, Bergh A, Bjerknes R, Christiansen P, Cortes D, Haugen SE, et al. Nordic consensus on treatment of undescended testes. Acta Paediatr 2007;96:638-43. https://doi.org/10.1111/j.1651-2227.2006.00159.x
- Park KH, Lee JH, Han JJ, Lee SD, Song SY. Histological evidences suggest recommending orchiopexy within the first year of life for children with unilateral inguinal cryptorchid testis. Int J Urol 2007;14:616-21. https://doi.org/10.1111/j.1442-2042.2007.01788.x
- Allin BSR, Dumann E, Fawkner-Corbett D, Kwok C, Skerritt C. Systematic review and meta-analysis comparing outcomes following orchidopexy for cryptorchidism before or after 1 year of age. BJS Open 2018;2:1-12. https://doi.org/10.1002/bjs5.36
- Kargl S, Haid B. Torsion of an undescended testis - a surgical pediatric emergency. J Pediatr Surg 2020;55:660-4. https://doi.org/10.1016/j.jpedsurg.2019.06.018
- Hutson JM, Li R, Southwell BR, Petersen BL, Thorup J, Cortes D. Germ cell development in the postnatal testis: the key to prevent malignancy in cryptorchidism? Front Endocrinol (Lausanne) 2012;3:176. https://doi.org/10.3389/fendo.2012.00176
- Gracia J, Sanchez Zalabardo J, Sanchez Garcia J, Garcia C, Ferrandez A. Clinical, physical, sperm and hormonal data in 251 adults operated on for cryptorchidism in childhood. BJU Int 2000;85:1100-3. https://doi.org/10.1046/j.1464-410x.2000.00662.x
- Carson JS, Cusick R, Mercer A, Ashley A, Abdessalam S, Raynor S, et al. Undescended testes: does age at orchiopexy affect survival of the testis? J Pediatr Surg 2014;49:770-3. https://doi.org/10.1016/j.jpedsurg.2014.02.065
- Murphy F, Paran TS, Puri P. Orchidopexy and its impact on fertility. Pediatr Surg Int 2007;23:625-32. https://doi.org/10.1007/s00383-007-1900-3
- Lee PA, O'Leary LA, Songer NJ, Coughlin MT, Bellinger MF, LaPorte RE. Paternity after unilateral cryptorchidism: a controlled study. Pediatrics 1996;98:676-9. https://doi.org/10.1542/peds.98.4.676
- Lee PA. Fertility after cryptorchidism: epidemiology and other outcome studies. Urology 2005;66:427-31. https://doi.org/10.1016/j.urology.2005.01.017
- Cortes D, Thorup JM, Beck BL. Quantitative histology of germ cells in the undescended testes of human fetuses, neonates and infants. J Urol 1995;154:1188-92. https://doi.org/10.1016/S0022-5347(01)67029-0
- Walsh TJ, Dall'Era MA, Croughan MS, Carroll PR, Turek PJ. Prepubertal orchiopexy for cryptorchidism may be associated with lower risk of testicular cancer. J Urol 2007;178:1440-6; discussion 6. https://doi.org/10.1016/j.juro.2007.05.166
- Pettersson A, Richiardi L, Nordenskjold A, Kaijser M, Akre O. Age at surgery for undescended testis and risk of testicular cancer. N Engl J Med 2007;356:1835-41. https://doi.org/10.1056/NEJMoa067588
피인용 문헌
- Undescended testis: importance of a timely referral to a surgical specialist vol.63, pp.11, 2020, https://doi.org/10.3345/cep.2020.00115