A case report of primary upper urinary tract signet-ring cell carcinoma and literature review
Upper tract urothelial carcinoma with pure non-urothelial histology is an exception but variants are present in ~ 25% of cases. Primary upper urinary tract signet -ring cell carcinoma is extremely rare.
Source: BMC Urology - Category: Urology & Nephrology Authors: Zhaohua Ye, Qiwu Mi, Daosheng Luo, Zhixiong Li and Jiexin Luo Tags: Case report Source Type: research