Cutaneous angiosarcoma of the head and neck: report of 23 cases from a single institution.

Background: To report a single-institution experience in the treatment of cutaneous head and neck angiosarcoma.

Study Design: Case series.

Patients And Methods: Twenty-three patients were evaluated: 12 females and 11 males.

Surgical treatment of paragangliomas of the carotid bifurcation: results of 36 patients.

Background: Paragangliomas of the carotid bifurcation are rare and usually benign neoplasms arising from the carotid body chemoreceptors. The aim of this retrospective study was to report long-term results of carotid bifurcation paragangliomas treated in a single institution over a period of 20 years. The following variables are described: age, sex, localization, diagnostic workup, operative procedure, complications, proportion and characteristics of malignant tumors, and cure rates.