ABSTRACTSimultaneous occurrence of bilateral axillary Paget's disease in a 61‐year‐old male with genital Paget's disease of 2 years' duration was presented. Invasive adenocarcimoma was found in the genital lesion. No regional lymph node metastases ware apparent. The lesions were excisedin toto. There has been no recurrence 14 months later.Four previously reported cases of double or triple extramammary Paget's disease, together with two more cases were summarized. Generally, the axillary lesions were clinically insignificant, faintly erythematous patches and could hardly be identified without histological examinat