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Cryptorchidism

Last reviewed: 13 Nov 2025
Last updated: 28 Nov 2024

Summary

Definition

History and exam

Key diagnostic factors

  • malpositioned or absent testis
  • palpable cryptorchid testis
  • nonpalpable testis
Full details

Other diagnostic factors

  • testicular asymmetry
  • scrotal hypoplasia or asymmetry
  • retractile testis
  • ascending cryptorchidism
  • hypospadias
  • micropenis
  • secondary sex characteristics/pubertal signs in prepubertal/pubertal patients
  • surgical scar in the inguinal region
Full details

Risk factors

  • family history of cryptorchidism
  • prematurity
  • low birth weight (<2.5 kg) and/or small for gestational age
  • environmental exposures
  • maternal alcohol use
  • gestational diabetes
  • prior inguinal surgery
Full details

დიაგნოსტიკური კვლევები

1-ად შესაკვეთი გამოკვლევები

  • clinical diagnosis
სრული ტექსტი

გასათვალისწინებელი კვლევები

  • ultrasound
  • magnetic resonance imaging (MRI)
  • hormonal evaluation with human chorionic gonadotropin (hCG) stimulation test
  • hormonal evaluation with Mullerian inhibiting substance (MIS), inhibin B, and follicle-stimulating hormone (FSH)
  • karyotyping
სრული ტექსტი

მკურნალობის ალგორითმი

მწვავე

retractile testicle(s)

undescended testicle(s): prepubertal, no hypospadias

undescended testicle(s): prepubertal, with hypospadias

undescended testicle: postpubertal

კონტრიბუტორები

ავტორები

David J. Chalmers, MD
David J. Chalmers

Pediatric Urology

Maine Medical Center

Portland

ME

გაფრთხილება:

DJC declares that he has no competing interests.

მადლიერება

Dr David J. Chalmers would like to gratefully acknowledge Dr Gabriel Belanger, Dr Duncan T. Wilcox, and Dr Nicol Corbin Bush, previous contributors to this topic.

გაფრთხილება:

DTW and NCB declare that they have no competing interests.

რეცენზენტები

Martin Koyle, MD

Professor Pediatric Urology

Hospital for Sick Children

Toronto

Canada

Divulgaciones

MK declares that he has no competing interests.

Paul J. Turek, MD

Professor of Urology

Endowed Chair

Urologic Education

The University of California

San Francisco

CA

Divulgaciones

PJT declares that he has no competing interests.

Vincent Gnanapragasam, MBBS, BMedSci, PhD, FRCSEng, FRCSEd(Urol)

Lecturer in Uro-oncology and Consultant Urological Surgeon

Department of Urology

Addenbrooke's Hospital

Cambridge

UK

Divulgaciones

VG declares that he has no competing interests.

Jørgen Thorup, MD, PhD

Professor and Head

Department of Pediatric Surgery

Rigshospitalet, University of Copenhagen

Copenhagen

Denmark

Divulgaciones

JT is an author of a reference cited in this topic.

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Referencias

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Artículos principales

Virtanen HE, Bjerknes R, Cortes D, et al. Cryptorchidism: classification, prevalence and long-term consequences. Acta Paediatr. 2007 May;96(5):611-6.Texto completo  Resumen

Hutson JM, Clarke MC. Current management of the undescended testicle. Semin Pediatr Surg. 2007 Feb;16(1):64-70. Resumen

Kolon TF, Herndon CD, Baker LA, et al. Evaluation and treatment of cryptorchidism: AUA guideline. J Urol. 2014 Aug;192(2):337-45.Texto completo  Resumen

European Association of Urology. Guidelines on paediatric urology. 2022 [internet publication].Texto completo

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 Jul;11(7):E251-60.Texto completo  Resumen

Kollin C, Stukenborg JB, Nurmio M, et al. Boys with undescended testes: endocrine, volumetric and morphometric studies on testicular function before and after orchidopexy at nine months or three years of age. J Clin Endocrinol Metab. 2012 Dec;97(12):4588-95. Resumen

Artículos de referencia

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