Bazex syndrome

Definition

A rare paraneoplastic syndrome characterized by acral psoriasiform lesions typically involving the ears, nose, fingers and nails of the hands and feet, but may also extend to cheeks, elbows, knees and trunk, with occasional pruritus. In a majority of cases the cutaneous lesions precede the symptoms/diagnosis of malignancy (generally involving the upper aerodigestive tract, but also other squamous cell malignancies).