Fig. 2: Metastatic deposits from urothelial carcinoma with nested features.

Three cases of nested urothelial carcinoma metastatic to the (a) skin (scalp), (b) pelvic lymph node, and (c) pelvic lymph node (hematoxylin and eosin, ×10 [a, b] and ×20 [c]). Insets show PAX8 (×40) staining, interpreted as positive (focal) in a, negative in b, and positive (strong) in c.