Incidence and Mortality of Mycosis Fungoides and Sezary Syndrome: A Nationwide Registry Study in Finland.

ABSTRACT: This study investigated the incidence, mortality, and causes of death in Finnish patients with mycosis fungoides (MF) or Sezary syndrome (SS). The study population consisted of 450 patients with MF and 23 with SS and their 1:1 matched controls. Data were collected from nationwide Finnish healthcare registries. The average incidence of MF was 0.38 and of SS 0.02 per 100,000 persons in 2007-2019 and was highest among older adults. Patients with SS had a low 5-year overall survival of 33.5% vs 64.5% in their controls (p = 0.0046), whereas 62.3% of patients with MF were alive 10 years after diagnosis vs 71.4% of their controls (p = 0.0011). SS diagnosis (hazard ratio [HR] 11.85 [5.08, 27.65]; p < 0.001) and higher age (HR 1.07 [1.01, 1.12]; p = 0.01) were risk factors of poorer disease-specifi

SUBMITTER: Partanen A 

PROVIDER: S-EPMC12797152 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature