Malignant vascular tumors of the head and neck.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D006257:Head; D006258:Head and Neck Neoplasms / Q000401:mortality / Q000473:pathology / Q000601:surgery; D006393:Hemangiopericytoma / Q000401:mortality / Q000473:pathology / Q000601:surgery; D006394:Hemangiosarcoma / Q000401:mortality / Q000473:pathology / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D009062:Mouth Neoplasms / Q000601:surgery; D009303:Nasopharyngeal Neoplasms / Q000601:surgery; D010157:Palatal Neoplasms / Q000601:surgery; D010307:Parotid Neoplasms / Q000601:surgery; D012737:Sex Factors; D013964:Thyroid Neoplasms / Q000601:surgery