Pyoderma gangrenosum in association with Janus kinase 2 (JAK2V617F) mutation


  • Conflict of interest: none declared.

Dr Janani A. Palanival, Flat 7, 31-35 Fulham High Street, London, SW6 3JH, UK


Pyoderma gangrenosum (PG) commonly occurs in association with various haematological and inflammatory disorders. We report a new association, a Janus kinase (JAK)2 mutation, in a 63-year-old patient with PG. We hypothesise that PG occurs by direct activation of JAK along with signal transducers and activators of transcription (STAT), a common mechanism involved in the pathogenesis of inflammatory and haematological diseases.