title: Oral Pathology Quiz #61. Case number 1. Actinic cheilitis.
mesh_terms: D002471:Cell Transformation, Neoplastic; D002613:Cheilitis / Q000150:complications / Q000209:etiology / Q000473:pathology*; D003937:Diagnosis, Differential; D015658:HIV Infections / Q000150:complications; D006801:Humans; D008297:Male; D008875:Middle Aged; D014466:Ultraviolet Rays / Q000009:adverse effects