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J Endourol. 2016 Mar;30(3):280-5. doi: 10.1089/end.2015.0423. Epub 2015 Dec 18.

Combined Extraperitoneal and Transperitoneal Laparoscopic Extended Partial Cystectomy for the Treatment of Urachal Carcinoma.

Author information

1
1 Department of Urology, Medical College of People's Liberation Army, Chinese People's Liberation Army General Hospital , Beijing, China .
2
2 Department of Urology, Changhai Hospital, Second Military Medical University , Shanghai, China .

Abstract

PURPOSE:

To evaluate the application of laparoscopic extended partial cystectomy (PC) and bilateral extended pelvic lymph node dissection (PLND) for the treatment of urachal carcinomas (UrCs).

METHODS:

Combined laparoscopic extended PC and bilateral extended PLND was performed in 16 cases with UrCs in our hospital between April 2009 and December 2012. The surgical procedure included the dilation of the extraperitoneal space, circumscription of the umbilicus, dissection from the umbilicus caudad to the dome of the bladder, excision of the tumor, and the suture of the bladder. The average age of the patients was 52.8 years (35-73 years). The average tumor size was 3.2 cm (1.5-5.6 cm). A median follow-up period of 36 months was obtained to evaluate patient survival and recrudescence.

RESULTS:

All 16 procedures were completed laparoscopically without open conversion. The median operation time was 85 minutes (65-125 minutes), with a median estimated blood loss of 50 mL (30-110 mL). The median hospital stay was 5 days (4-7 days). The bladder margins were negative in all cases. However, five cases were confirmed postoperatively with positive lymph nodes. No intraoperative or postoperative complications occurred. Histopathology confirmed mucous urachal adenocarcinoma in 11 cases, mixed carcinoma in 1 case, and papillary adenocarcinoma in 4 cases. After a median follow-up period of 36 months, the 2- and 3-year survival rates were 62.5% (10/16) and 50% (8/16), respectively.

CONCLUSION:

Combined laparoscopic extended PC and bilateral extended PLND is a safe and feasible method for treating patients with urachal malignancy.

PMID:
26531333
DOI:
10.1089/end.2015.0423
[Indexed for MEDLINE]

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