title: Acute abdomen in systemic lupus erythematosus with spontaneous hemoperitoneum.
mesh_terms: D000006:Abdomen, Acute / Q000209:etiology*; D000368:Aged; D005260:Female; D006465:Hemoperitoneum / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000150:complications* / Q000175:diagnosis