John Libbey Eurotext

European Journal of Dermatology


Acantholytic Bowen's disease histopathologically showing the Borst-Jadassohn phenomenon Volume 29, numéro 3, May-June 2019


  • Figure 1
Department of Dermatology, Kindai University Faculty of Medicine, Osaka-Sayama, Japan

Acantholytic squamous cell carcinoma (SCC) is a rare variant of invasive SCC. We report a case of acantholytic Bowen's disease (SCC in situ) histopathologically showing the Borst-Jadassohn phenomenon.A 77-year-old Japanese woman visited us in November 2016 with an asymptomatic lesion on the left leg, which she had noticed two years previously. Physical examination revealed a dark reddish plaque, 1 cm in diameter, on the malleolus medialis of the left leg (figure 1A). An incisional biopsy was taken [...]