title: Squamous cell carcinoma vs. keratoacanthoma: criteria for histologic differentiation.
mesh_terms: D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D007636:Keratoacanthoma / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*