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Impalpable testis: laparoscopy or inguinal canal exploration?
Farzaneh Sharifiaghdas1, Faramarz M A Beigi
1Urology Nephrology Research Center, Shahid Labbafinejad Hospital, Shaheed Beheshti Medical University, Tehran, Iran. fsharifiaghdas@yahoo.com
Insights
Inguinal canal exploration is often sufficient for impalpable testes. Laparoscopy is recommended only when initial inguinal exploration for undescended testes (UDT) is negative.
Area of Science:
- Pediatric Surgery
- Urology
- Diagnostic Accuracy
Background:
- The optimal diagnostic and management strategy for impalpable testes remains debated.
- Accurate localization is crucial for effective treatment and preventing complications.
Purpose of the Study:
- To compare the diagnostic accuracy of intraperitoneal laparoscopy, inguinal canal exploration, and ultrasound for impalpable testes.
- To evaluate the impact of laparoscopy on management protocols for undescended testes (UDT).
Main Methods:
- Retrospective study of 76 patients with clinically impalpable testes (2004-2006).
- Preoperative ultrasound, followed by intraperitoneal laparoscopy in all patients.
- Inguinal canal exploration was performed in most cases, with laparoscopic dissection and orchidopexy for high intra-abdominal testes.
Main Results:
- Inguinal canal exploration detected 78.4% of testes, while laparoscopy detected 70.6%.
- Ultrasound had a lower detection rate at 15.6%.
- Laparoscopy altered management in only 21% of cases.
Conclusions:
- Inguinal canal exploration alone proved sufficient in the majority of impalpable testis cases.
- Laparoscopy is recommended for impalpable UDT when initial inguinal exploration is negative.
- This suggests a tailored approach based on initial findings is effective.
Objective:
There is great controversy regarding the best approach to impalpable testis. In this retrospective study we evaluated the accuracy of intraperitoneal laparoscopy, inguinal canal exploration and ultrasound in the diagnosis of impalpable testis.
Material And Methods:
Over a 2-year period (2004-06), 76 patients with a diagnosis of uni- or bilateral clinically impalpable testis were referred to our center. A preoperative ultrasound evaluation was done and all patients underwent intraperitoneal laparoscopy. An inguinal canal incision and exploration was done in all cases except for patients with high intra-abdominal testes (> 2 cm above the internal ring), for whom laparoscopic dissection, mobilization and orchidopexy were necessary.
Results:
The mean age of the patients was 15.36 years (range 1-39 years). The undescended testis (UDT) was right-sided in 25% of patients, left-sided in 41% and bilateral in 34%. Intraperitoneal laparoscopy, inguinal canal exploration and ultrasound detected 70.6%, 78.4% and 15.6% of testes, respectively.
Conclusions:
Laparoscopy changed the management protocol of impalpable UDT in only 21% of cases. Inguinal canal exploration alone was sufficient in the majority of our cases. We recommend laparoscopy for those patients with impalpable UDT in whom an initial inguinal canal exploration proves negative.
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