An unusual primary omental tumor: mixed germ cell tumor

Primary tumors of the greater omentum are rare. Mixed germ-cell tumor, which is derived from germ cells, occurs mainly in gonad of adolescents and young adults. In the present case, we report a 58-year-old woman, who was admitted to the hospital because of abdominal discomfort. Magnetic resonance imaging revealed a large mass in the left lower quadrant. Pertinent laboratory tests were within normal limits except for a rise in serum alfa-fetoprotein. During laparotomy, a solitary mass arising from the greater omentum was confirmed.

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