Fig. 4From: Paraneoplastic pemphigus and myasthenia gravis as the first manifestations of a rare case of pancreatic follicular dendritic cell sarcoma: CT findings and review of literaturea-c Microphotograph(a) showing spindle tumor cells(×200). Immunohistochemistry of the tumor showing positivity for CD21 (b) and CD23(c) (×200)Back to article page