Eleven boys with primary ileo-caecal lymphosarcoma had an abdominal mass, anaemia and weight loss. One boy had an intussusception. Localised perforation occured in two boys and one developed an abscess. The palpable abdominal mass due to neoplastic involvement of the intestine and mesentery gave specific features on the abdominal radiograph in four boys. Characteristic findings on barium study permitted distinction from Crohn's disease in all but one instance. Extension of lymphosarcoma into the posterior abdominal wall prevented surgical excision and this type of extension was identified on excretion urography.
Key wordsLymphosarcoma ileum caecum abdominal radiograph barium study urogram
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