title: [Multiple primaries in head and neck malignant neoplasms].
abstract: Multiple primary neoplasm has developed in 70 patients with head and neck cancer who were treated in Otorhinolaryngology Department Medical Academy in Warsaw. Two primary neoplasm has been recognised in 63 patients, three independent tumors in 7 patients. The most common site for a first tumor was laryngeal carcinoma, for a second - lung, skin and tongue. The squamous cell carcinoma was the most common in the first as well as in the second malignancies.
authors.affiliation: Katedry i Kliniki Otolaryngologii Akademii Medycznej w Warszawie.
authors.forename: E
authors.initials: E
authors.lastname: Osuch-Wójcikiewicz
authors.forename: J
authors.initials: J
authors.lastname: Fruba
authors.forename: G
authors.initials: G
authors.lastname: Janczewski
mesh_terms: D000328:Adult; D000368:Aged; D002277:Carcinoma / Q000175:diagnosis / Q000473:pathology*; D005260:Female; D006258:Head and Neck Neoplasms / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary