title: Oral Pathology Quiz #70. Case number 2. Hyperkeratosis.
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007642:Keratosis / Q000473:pathology*; D007971:Leukoplakia / Q000175:diagnosis; D008875:Middle Aged; D009059:Mouth Diseases / Q000473:pathology*; D009061:Mouth Mucosa / Q000473:pathology