[The megaureter--a possible complication after resected retroperitoneal tumor]

Area of Science:

• Urology
• Surgical Oncology
• Abdominal Surgery

Background:

• Retroperitoneal tumors can necessitate complex surgical resections.
• Complications arising from such surgeries require thorough investigation and reporting.
• Unilateral iliopelvic segmental megaureter is an exceptionally rare post-operative finding.

Observation:

• A case report details a rare complication post-retroperitoneal tumor resection.
• The complication identified is unilateral iliopelvic segmental megaureter.
• This condition presented as a secondary issue after the initial surgery.

Findings:

• The unilateral iliopelvic segmental megaureter developed as a direct consequence of the retroperitoneal tumor resection.
• This rare condition was further complicated by diffuse peritonitis.
• Parietal microperforations of the peritoneum were identified as the cause of peritonitis.

Implications:

• This case highlights the potential for uncommon urological complications after retroperitoneal surgeries.
• Early recognition and management of segmental megaureter and subsequent peritonitis are critical.
• The findings underscore the importance of comprehensive post-operative surveillance for rare adverse events.