title: Cancer of the nasopharynx in children and young adults in Scandinavia.
abstract: Reports have been published indicating an increase in the incidence of cancer in the head and neck, e.g. the tongue, in children and young adults under 40 years of age. In the present study the number of new cases of nasopharyngeal cancer in Scandinavia during the period 1958-1992 was reviewed in the respective national cancer registers. Altogether 3,675 patients were diagnosed with cancer of the nasopharynx. Of these, 371 or 10.1% were under 40 years of age at the time of diagnosis. Within this time period no increase was seen in the relative amount of young among nasopharynx cancer patients in Scandinavia. When considering the whole 35-year period the percentage of patients below 40 years varied between the countries from 7.5% to 18.3%. The majority of the cases in each country occurred in males, both among the young patients as well as in the older age groups. Malignant neoplasms of the nasopharynx are rare in Scandinavia. Both the relative and absolute amount of patients under 40 years of age at the time diagnosis was stable. No difference in the 5-year relative survival rates was seen between the patient group under 40 years when comparing it with all age groups combined.
authors.affiliation: Department of Otorhinolaryngology, Turku University Central Hospital, Finland.
authors.forename: R
authors.initials: R
authors.lastname: Grénman
authors.forename: M
authors.initials: M
authors.lastname: Christensen
authors.forename: H
authors.initials: H
authors.lastname: Hjartarson
authors.forename: J
authors.initials: J
authors.lastname: Mork
authors.forename: J
authors.initials: J
authors.lastname: Wennerberg
mesh_terms: D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000453:epidemiology*; D012042:Registries; D012189:Retrospective Studies; D012537:Scandinavian and Nordic Countries / Q000453:epidemiology; D015996:Survival Rate