title: Embryonal rhabdomyosarcoma of the head and neck in an adult.
abstract: OBJECTIVE
  This report describes an exceedingly rare case of adult embryonal rhabdomyosarcoma arising in the head and neck, which was initially diagnosed as a primary unknown cancer.
  
  
  METHODS
  The patient underwent a radical neck dissection with the total excision of the tumor, which was diagnosed as embryonal rhabdomyosarcoma.
  
  
  RESULTS
  The patient received intensive adjuvant chemotherapy, and is still alive with no signs of recurrence or metastasis.
  
  
  CONCLUSIONS
  This case report demonstrates not only the rarity of this neoplasm but the importance of the differential diagnosis for planning the therapeutic strategy.
authors: Department of Otorhinolaryngology, Juntendo University School of Medicine, Tokyo, Japan. sooba@juntendo.ac.jp
authors: Shinichi
authors: S
authors: Ohba
authors: Fumihiko
authors: F
authors: Matsumoto
authors: Mitsuhisa
authors: M
authors: Fujimaki
authors: Shin
authors: S
authors: Ito
authors: Junkichi
authors: J
authors: Yokoyama
authors: Katsuhisa
authors: K
authors: Ikeda
mesh_terms: D000328:Adult; D017024:Chemotherapy, Adjuvant; D003131:Combined Modality Therapy; D006258:Head and Neck Neoplasms / Q000473:pathology* / Q000628:therapy*; D006801:Humans; D008297:Male; D037981:Neck Dissection; D018233:Rhabdomyosarcoma, Embryonal / Q000473:pathology* / Q000628:therapy*