Sarcomatoid variant of urothelial carcinoma of renal pelvis with direct invasion of the pancreas and descending colon.
Yoshinori NakanoHiroyuki KitanoKeisuke HiedaTakashi BabasakiKenshiro TakemotoTetsutaro HayashiAya KidoDaiki TaniyamaKazuhiro SentaniNobuyuki HinataPublished in: IJU case reports (2022)
Sarcomatoid variant of urothelial carcinoma is rare, with aggressive malignancy. The diagnosis was difficult and required surgery. This is the first case of a sarcomatoid variant of urothelial carcinoma with direct invasion into the pancreas and descending colon.