Rhabdomyoma. (a) Low power view of the rhabdomyoma (left) with adjacent hypercellular parathyroid (right). (b) Normal striated muscle intertwined with tumor cells. (c) High power view of rhabdomyoma; notice the eosinophilic granular cytoplasm with small eccentrically and centrally placed nuclei. Much of the cytoplasm is retracted from the cell membrane. (Hematoxylin-eosin, original magnification ×40 (a), original magnification ×100 (b), and original magnification ×400 (c).) A rare soft tissue tumor masquerading as a parathyroid adenoma in a patient with birt-hogg-dubé syndrome and multiple cervical endocrinopathies. Mikesell KV, Kulaylat AN, Donaldson KJ, Saunders BD, Crist HS - Case reports in pathology (2014). Not Altered. CC.