title: Keratoacanthoma is frequently a dangerous diagnosis.
mesh_terms: D000328:Adult; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis* / Q000473:pathology; D002610:Cheek; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D005153:Facial Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D005260:Female; D006257:Head; D006801:Humans; D007636:Keratoacanthoma / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D008048:Lip Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D012535:Scalp; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000601:surgery