[Paraneoplastic acrokeratosis (Bazex syndrome)].

Bazex acrokeratosis was found in a 79-year-old man with squamous cell carcinoma of the lung. The psoriasiform skin lesions preceded the tumor diagnosis by 8 months. The symptoms, the course of the disease, and histological findings are presented. Acrokeratosis paraneoplastica is a rare disease observed only in patients either with cancer of the upper aerodigestive tract or cervical lymph-node metastases.