[Clinical features and diagnosis of head and neck rhabdomyosarcoma: a report of 24 cases].

Background & Objective: Rhabdomyosarcoma is a rare malignant tumor. This study aimed to summarize the clinical features of head and neck rhabdomyosarcoma.

Methods: Clinical data of 24 patients with head and neck rhabdomyosarcom, treated in Cancer Center of Sun Yat-sun University from 1989 to 2005, were analyzed.

[Second primary tumor of tongue after nasopharynx carcinoma radiotherapy: report of 53 cases].

Objective: To investigate the clinical characteristics of second primary tumor of tongue after nasopharyngeal carcinoma (NPC) radiotherapy and the prognostic factors of patients.

Methods: Fifty-three cases with second primary tumor of tongue after NPC radiotherapy, presenting to Cancer Centre, Sun Yat-sen University from Jan. 1st 1975 to Dec.