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[Analysis of treatment and prognosis in post-operative patients with urachal carcinoma].
Zhonghua Yi Xue za Zhi [Chinese medical journal] 2016 June 29
OBJECTIVE: Urachal carcinoma is a kind of urogenital tract malignancy with a very low incidence. The objective of this study was to observe the clinical presentation, pathological condition, treatment method and outcome of patients with urachal carcinoma.
METHODS: A retrospective analysis of thirty-six cases of urachal carcinoma diagnosed over a period of 10 years from 2003 to 2013 was carried out. All pathologic specimens were reviewed by two separate pathologists. Clinical and histological features, treatment condition, patient follow-up and survival outcome was reviewed and calculated.
RESULTS: The mean age at diagnosis was 53 years. Of the thirty-six patients, twenty-five were male. All patients underwent partial cystectomy with bilateral pelvic lymph node dissection. All cases were adenocarcinoma, including 20 mucinous adenocarcinoma, 7 moderately differentiated adenocarcinoma, 5 poorly differentiated adenocarcinoma, 1 signet ring cell carcinoma, 3 hybrid adenocarcinoma. The Sheldon pathologic stage was stage Ⅱ in 11, Ⅲ in 16 and Ⅳa in 9 cases. All patients received medical oncological therapy. The median follow-up period was 27 months. The median overall survival was 36 months. One-year survival rate was 70% and five-year survival rate was 28%.
CONCLUSIONS: Urachal carcinomas are rare and usually at locally advanced stage at diagnosis with a high tendency of metastases. Surgery is a key method of primary treatment and medical oncological therapy may play a role in decreasing the chances of recurrence which still needs to be explained by prospective clinical trials.
METHODS: A retrospective analysis of thirty-six cases of urachal carcinoma diagnosed over a period of 10 years from 2003 to 2013 was carried out. All pathologic specimens were reviewed by two separate pathologists. Clinical and histological features, treatment condition, patient follow-up and survival outcome was reviewed and calculated.
RESULTS: The mean age at diagnosis was 53 years. Of the thirty-six patients, twenty-five were male. All patients underwent partial cystectomy with bilateral pelvic lymph node dissection. All cases were adenocarcinoma, including 20 mucinous adenocarcinoma, 7 moderately differentiated adenocarcinoma, 5 poorly differentiated adenocarcinoma, 1 signet ring cell carcinoma, 3 hybrid adenocarcinoma. The Sheldon pathologic stage was stage Ⅱ in 11, Ⅲ in 16 and Ⅳa in 9 cases. All patients received medical oncological therapy. The median follow-up period was 27 months. The median overall survival was 36 months. One-year survival rate was 70% and five-year survival rate was 28%.
CONCLUSIONS: Urachal carcinomas are rare and usually at locally advanced stage at diagnosis with a high tendency of metastases. Surgery is a key method of primary treatment and medical oncological therapy may play a role in decreasing the chances of recurrence which still needs to be explained by prospective clinical trials.
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