Introduction: Inflammatory fibrinoid polyps or Vanek's tumor, are rear, uncommon, non-neoplastic cause of intussusception of gastrointestinal tract in adults.
Case Presentation:We report a 56-year-old woman with 30-day hystory of intermittent abdominal pain associated with flatulence. Abdominal examination showed diffuse tenderness to palpation, especially in the right lower quadrant of the abdomen with a muscular defense. By digito-rectal examination the presence of feces, mucus even blood was not detected. Abdominal X-ray examination of the abdomen showed obstruction of the small intestine with multiple aerocolic levels positioned centrally with no signs of pneumoperitoenum. Abdominal ultrasound showed a hypoechoic, circular tissue mass 90 x 50 mm in diameter at the end of the dilated terminal ileum, and also showed hyperechoic focal liver lesion in diameter 55 x 50 mm. After preoperative preparation urgent transumbilical laparotomy was done and the ileocecal intussusception was found. It is preformed right colectomy with ileo-transvezo anastomosis. The segment of bowel containing the lesion was resected. Macroscopically examination of resected segment, showed tissue lesion, diameter of 115 x 52 mm. Histopathological analysis showed lesion with spindle cells and an mixed inflammatory infiltrate with many eosinophils. Immunohistochemistry confirmed the diagnosis of ileal Vanek's tumor.
Conclusion:Although inflammatory fibroid polyps are rare, benign, uncommon, and non-neoplastic cause of intussusception in adults, in the case of intestinal obstruction the only solution is a surgical approach and resection of the intestinal segments involved.