Bowen's disease occurring on a reticulated acanthoma with sebaceous differentiation: possible malignant transformation
Volume 31, numéro 4, July-August 2021
Reticulated acanthoma with sebaceous differentiation (RASD) is a rare, benign cutaneous neoplasm first described by Rothko et al. in 1980 as “superficial epithelioma with sebaceous differentiation” [1]. It is unknown whether RASD has malignant potential. We present a case of Bowen's disease that developed within RASD in a patient, 11 years after the first visit to our hospital.A 65-year-old Japanese man had had a plaque on his left chest for 30 years. Clinical examination demonstrated a 45 × 25 mm [...]