title: Oral pathology quiz #63. Case number 2. Squamous cell carcinoma.
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D005887:Gingival Neoplasms / Q000175:diagnosis*; D006801:Humans; D009062:Mouth Neoplasms / Q000175:diagnosis*; D019226:Oral Ulcer / Q000175:diagnosis