[Mucocutaneous Bowen's disease. 243 clinical cases]

The authors studied 243 cases of patients with 269 muco-cutaneous localisations of Bowen's disease. After considering the aetiological factors, the various clinical signs and the pathological associations, they draw histological conclusions. Poikilocarynosis seems to be the most reliable histological sign. They conclude their study with the prognosis and treatment.