...J. Kanagalingam; M. Medcalf; E. Courtauld; P.M. Clarke Rhabdomyosarcoma of the adult head and neck is rare, particularly beyond 40 years of age. In this region, the nasopharynx is an unusual site. Most nasopharyngeal rhabdomyosarcomas are of an alveolar variety. We report a case of embryonal...

... tumor seemed compatible with a polyp; however, immunohistochemistry revealed a botryoid rhabdomyosarcoma. Rhabdomyosarcomas are rare. The most important differential diagnoses for rhabdomyosarcoma are discussed and methods available for differentiating are included. 18 5 2001 © 2001 S...

... contained a clear glycogen-rich cytoplasm and stained for desmin, muscle-specific actin and sarcomeric actin. Electron microscopy revealed paranuclear thick and thin filaments. These findings confirm striated muscle differentiation and a diagnosis of glycogen-rich clear cell rhabdomyosarcoma. The tumour...