title: Polyarteritis nodosa diagnosed by endoscopic polypectomy.
mesh_terms: D000368:Aged; D004724:Endoscopy; D005260:Female; D006801:Humans; D010488:Polyarteritis Nodosa / Q000175:diagnosis*; D011127:Polyps / Q000601:surgery*; D013274:Stomach Neoplasms / Q000601:surgery*