Fig. 8From: Imaging analysis of 13 rare cases of renal collecting (Bellini) duct carcinoma in northern China: a case series and literature reviewCase 1: pathological images of CDC. a The tumor cells are cuboidal. The cytoplasm is eosinophilic or suspicious. The nucleus is large. The nucleolus is obvious and is arranged in a small tubular or papillary pattern, and the atypical shape is obvious. Immunohistochemistry shows b cam5. 2(+), c CK(+), and d 34βE12(+)Back to article page