Cristin-resultat-ID: 1952726
Sist endret: 9. november 2021, 11:44
Resultat
Vitenskapelig foredrag
2021

Long-term Trend on Tumour Thickness of Melanoma in Norway

Bidragsytere:
  • Raju Rimal

Presentasjon

Navn på arrangementet: NOFE conference 2021
Sted: Bergen, Norway
Dato fra: 3. november 2021
Dato til: 4. november 2021

Arrangør:

Arrangørnavn: Norwegian Epidemiological Association (NOFE)

Om resultatet

Vitenskapelig foredrag
Publiseringsår: 2021

Klassifisering

Vitenskapsdisipliner

Epidemiologi medisinsk og odontologisk statistikk

Emneord

Registerstudier • Hudkreft • Kreft

Beskrivelse Beskrivelse

Tittel

Long-term Trend on Tumour Thickness of Melanoma in Norway

Sammendrag

Introduction: Norway ranks fifth in incidence and second in mortality of cutaneous melanoma worldwide. Tumour thickness at diagnosis is the cornerstone of melanoma classification and the most important prognostic factor for clinically localized primary melanoma. Increased incidence of thin tumours may be a result of increased awareness and changes in pathological practice. Recently digitized tumour thickness data (1980-2007) and data from the Melanoma Registry (2008-), enable investigating long-term trends in melanoma thickness. Aim: To investigate trends in tumour thickness, overall and in important subgroups in a nationwide case series from 1980 to 2019. Methods: Tumour thickness was categorized in T-categories: T1 (≤1.0 mm), T2 (1.0-2.0 mm), T3 (>2.0-4.0 mm), and T4 (>4.0 mm). Incidence rates were age-standardized using the European standard population. Trends and changes in incidence rate over time were analysed with annual percentage changes (APC) and average APC. Conclusions: T1 melanomas had the largest increase in incidence over time. An increasing trend was also observed in thicker tumours, suggesting that the rise in melanoma incidence is due to not only overdiagnosis/pathological practice.

Bidragsytere

Aktiv cristin-person

Raju Rimal

  • Tilknyttet:
    Forfatter
    ved EpiStat ved Universitetet i Oslo
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