Transformation of Seborrheic Keratosis into Bowenoid Actinic Keratosis via Three Steps of Histological Change in a Patient with Rheumatoid Arthritis Treated with Multiple Immunosuppressants

• Váldodahkkit: Masahiro Oka (Dahkki), Yuki Yamamoto (Dahkki), Miki Fujii (Dahkki)
• Materiálatiipa: Girji
• Almmustuhtton: Karger Publishers, 2020-02-01T00:00:00Z.
• Fáttát: article
• Liŋkkat: Connect to this object online.

We report a case of seborrheic keratosis (SK) that transformed into bowenoid actinic keratosis (AK) via three steps of histological change in a 77-year-old woman. The patient presented with a multiple-year history of a brownish lesion on the right cheek. She reported that some months earlier she had...