Small Bowel Liposarcoma Presenting as Intussusception in an Adult

Takayuki Tajima, Masaya Mukai, Tomoya Hinoki, Yasuo Ohtani, Shinkichi Sato*, Hisao Nakasaki and Hiroyasu Makuuchi**

Department of Surgery and Department of Pathology*, Tokai University Oiso Hospital, Department of Surgery Tokai University Hospital**

A 64-year-old man been admitted, for ileus 2 months previously and discharged without diagnosis because of spontaneous resolution presented again with vomiting. Abdominal examination showed epigastric tenderness, but no peritoneal irritation. Plain abdominal X-ray showed no ileus. Abdominal CT showed intussusception in the right hypogastric region, but blood tests showed no findings to suggest inflammation. The man's symptoms again resolved spontaneously with passage of a large amount of flatus and defecation. An ileus tube was inserted to about 175 cm and contrast studies showed a tumor 4 cm diameter in the ileum. Laparotomy showed intussusception of the small bowel at a diameter of 6 cm about 35 cm from the ileocecal valve. Intussusception was reduced manually and part of the small intestine excised. Histopathological examination fielded a diagnosis of liposarcoma. Based on these findings, diagnosed this as a rare liposarcoma causing intussusception of the small bowel.

Key words
small bowel tumor, intussusception, liposarcoma

Reprint requests
Takayuki Tajima Department of Surgery
21-1, Gakyou, Oiso, Kanagawa, 259-0198 JAPAN

Accepted
June 30, 2004

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