title: [Evaluation of frequency of recurrence in malignant head and neck neoplasms in the years 1980-1990].
abstract: During the years 1980-1990 in the Otolaryngological Department of the Silesian Medical Academy in Katowice 452 patients with malignant neoplasms of the head and neck were treated. 154 (35%) patients treated by radiotherapy. 140 (30%) were operated, 133 (29%) were treated by both methods and 25 (6%) were treated symptomatically. 139 (30%) out of them have had the recurrencies after the treatment. The authors made the analysis of frequency of recurrencies in years 1980-86 in comparison with period 1987-90. The statistically significant increase of frequency of recurrencies in years 1987-1990 was found.
authors.affiliation: III Katedry i Kliniki Laryngologii Slaskiej AM, Katowicach.
authors.forename: A
authors.initials: A
authors.lastname: Lepkowski
authors.forename: S
authors.initials: S
authors.lastname: St Dej
authors.forename: J
authors.initials: J
authors.lastname: Markowski
authors.forename: I
authors.initials: I
authors.lastname: Bielecki
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D003131:Combined Modality Therapy; D005260:Female; D006258:Head and Neck Neoplasms / Q000532:radiotherapy* / Q000601:surgery*; D006801:Humans; D015994:Incidence; D007223:Infant; D008297:Male; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local / Q000453:epidemiology*
vernacular_title: Ocena czestości wystepowania wznów w nowotworach złośliwych głowy i szyi w latach 1980-1990.