Received 29 December 2015; accepted 5 March 2016; published 8 March 2016
Intussusception is defined as invagination of a bowel segment one into another  . It is often presented between 3 - 18 months and occurs in 1 - 4 cases per 1000 live births   . The male to female ratio is 3:2   . No underlying pathology can be detected before 2 years of age. However, there is frequently a “lead point” in patients older than 3 years old. Although it’s rare, non-Hodgkin’s lymphoma at terminal ileum and cecum may be the cause of intussusception. We presented a case who had recurrent intussusception for about a month and diagnosed as non-Hodgkin’s lymphoma that located at cecum.
2. Case Report
Six-year-old male patient was admitted to our emergency department with intermittent colic, abdominal pain and bilious vomiting for a month. All laboratory examinations were normal which had been done in another center. At ultrasonography spontaneously reduced intussusception was diagnosed but no intervention was performed. In the physical examination, vital signs were stable on arrival in the emergency room and there was no external pathology seen on his body. No mass could be palpated but there was tenderness at right upper and lower quadrants of abdomen. All laboratory examinations were normal but mild leukocytosis. Abdominal gas distribution was normal at X-ray. Abdominal ultrasonography was reported as 3 cm intussusception located at with ileocecal. Nasogastric tube and rectal enema was performed for intestinal decompression. Because he had colicky abdominal pain at his follow up operation decision were taken. Pneumatic reduction was performed and no invaginated intestinal segment was seen but a large filling defect was founded at scope. Laparotomy was performed. An exploration was performed with right upper quadrant incision. There was no intussusception but edema and pseudo membrane covered mass at ileocecal region was found. There were lots of lymph nodes around mesenteric region. Approximately 6 cm in diameter, semi-mobile, hard mass found that invaginates the intestine at its posterior aspect (Figure 1). Ileoascendostomy and lymph node sampling was performed. The control laboratory values were within normal limits in the post-operative period. No additional pathology was detected in the thoracic and abdominal pelvic CT. At 5th post-operative day nasogastric tube was taken and he started enteral feeding. He was discharged at 7th post-operative day. Pathology was reported as Burkitt’s lymphoma and reactive hyperplasia at lymph nodes. Immunohistochemical examinations were as CD20 (+), CD10 focal (+), CD3-reactive T lymphocytes (+), Pax5 (+), dt (−), EBV (−), CD21 (−) CD23 (−), MUM-1 (−), bcl-6 (−), bcl-2 (−) and Ki-67 proliferative index was determined as 90%. Scintigraphy of whole body scan was normal. Chemotherapy was performed for two cycles. He has been well and free of disease for the last two years.
Intussusception is the second most common childhood abdominal emergency  . Only in 1.5% - 12% of cases underlying pathology can be found   . These are Meckel’s diverticulum, polyps, duplication, mesenteric cyst, intestinal hemorrhage and lymphoma  . Although it’s rare, lymphoma because of its malignant nature is the most noticeable one and is “lead point” 6.5% of intussusceptions  . Navarone et al. stated that accompanied by weight loss and long term complaints were the tips for gastrointestinal lymphoma  . In our case it was all for a month but he didn’t lose any weight.
Burkitt’s lymphoma constitutes about 40% - 50% of non-Hodgkin’s lymphoma in childhood  . Patients often present with abdominal mass. Also abdominal pain, vomiting or sign and symptoms of intestinal obstruction due to mass effect or intussusception can be observed  . It’s mostly seen age between 5 - 15 years  . Our patient was 6 years old and had abdominal pain and vomiting for about a month. Many ultrasonographies were performed and all reported spontaneously improved intussusception. His physical examination was consistent with acute abdomen. Pneumatic reduction was performed according to these findings. Even no intussusception was seen at pneumatic reduction because his clinical findings were consisted with intussusception he was operated.
10% of non-Hodgkin’s lymphoma cases are limited to the gastrointestinal tract  . Philips et al. stated that intestinal lymphoma may be associated with ulcerative colitis, chronic antigenic stimulation or Epstein-Barr virus in immune suppressed patients  . However, none of these factors was observed in our case.
Role of surgery in the treatment of Burkitt lymphoma is controversial. Burkitt’s lymphoma originated from B lymphocytes serves very good response to combination chemotherapy. It was rapidly responsive and has prolonged remission  . But there are many opposing papers in the literature. Margrath et al. suggested removal
Figure 1.Per operative view of the mass.
of more than 90% of the mass prior to chemotherapy at their Uganda based studies  . Our case was operated due to consisted acute abdomen findings at physical examination. Extensive resection was performed for preserving tumor free margins and lymph node sampling was performed for staging.
Treatment of intussusception should be individualized according to age and intestinal segment. Malignancy should be remembered especially later in childhood as a cause of intussusception and surgical treatment should always be kept in mind.
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