title: [Case report of leiomyosarcoma of the hypopharynx and review of the literature on leiomyosarcoma of the head and neck].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006257:Head; D006258:Head and Neck Neoplasms; D006801:Humans; D007890:Leiomyosarcoma; D008297:Male; D008875:Middle Aged; D010610:Pharyngeal Neoplasms