Fig. 2From: Paraneoplastic cerebellar degeneration with anti-Yo antibodies and an associated submandibular gland tumor: a case reportHistopathology of the left submandibular gland tumor. The tumor cells had large round nuclei in tubular and cribriform structure (a) with comedo necrosis (b). Immunohistochemistry revealed that these cells were positive for human epidermal growth factor receptor 2 (c) and focally positive for androgen receptor (d)Back to article page