title: Primary torsion of the omentum: a report on four cases and review of the literature.
mesh_terms: D000006:Abdomen, Acute / Q000175:diagnosis; D000293:Adolescent; D000328:Adult; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007813:Laparotomy; D008297:Male; D009852:Omentum / Q000473:pathology*; D014102:Torsion Abnormality / Q000175:diagnosis