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Laparoscopy in 100 consecutive patients with 128 impalpable testes
1Department of Paediatric Surgery, Rigshospitalet, National University Hospital, Denmark.
British Journal of Urology
|March 1, 1995
Summary
Laparoscopy is a safe and effective diagnostic tool for impalpable testes in boys, identifying testicular location and enabling treatment in about half of cases. Histological analysis revealed germ cell issues in most patients.
Area of Science:
- Pediatric Surgery
- Urology
- Diagnostic Imaging
Background:
- Undescended testes, or cryptorchidism, affect a significant number of pediatric patients.
- Impalpable testes present a diagnostic challenge, requiring accurate localization for appropriate management.
- Histological examination is crucial for assessing testicular viability and potential neoplastic changes.
Purpose of the Study:
- To evaluate the diagnostic utility of laparoscopy in boys with impalpable testes.
- To correlate laparoscopic findings with histological examination of testicular tissue.
- To describe the clinical characteristics of boys presenting with impalpable testes.
Main Methods:
- A prospective study involving 100 consecutive boys with 128 impalpable testes.
- Laparoscopy was performed for diagnosis and localization.
- Histological analysis of testicular biopsies or orchidectomy specimens was conducted.
Main Results:
- Laparoscopy was complication-free and diagnostic in all cases.
- Intra-abdominal testes or blind-ending cords were found in 50% of patients.
- Absent testes were noted in 77% of cases with a contralateral scrotal testis.
- Germ cell hypoplasia/aplasia was present in 95% of testicular parenchyma.
- One seminoma was diagnosed in a patient with bilateral cryptorchidism.
Conclusions:
- Laparoscopy is a safe and definitive diagnostic procedure for impalpable testes.
- Laparoscopic treatment is feasible in approximately 50% of patients.
- Open surgery is reserved for intracanalicular testes requiring assessment of quality and treatment.