Angular cheilitis

Biopsy of tongue in hairy leukoplakia shows characteristic features. CBC, LFT, hepatitis B surface antigen (HBsAg), number of T4 and T4:T8 ratio (reduced). Serology for detection of serum antibodies directed against the virus. Barium swallow, bronchoscopy and smear of esophagus, biopsy of lung tissue and bone marrow, and chest x-ray. Treatment ................
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