Cavitation of mesenteric lymph nodes: a rare complication of coeliac disease, associated with a poor outcome

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Abstract
Five cases are presented, all of which showed peculiar cavitation of mesenteric lymph nodes. Clinically, three presented with abdominal symptoms, a mass or obstruction, warranting laparotomy. Two patients showed cavitating mesenteric lymph nodes at autopsy. Lymph nodes were enlarged with central, partly cystic degeneration; milky fluid exuded from the cut surface. In each case, investigation showed intestinal villous atrophy and splenic atrophy; coeliac disease was confirmed by response to gluten withdrawal. Three patients died, two from cachexia and the other from pneumonia; the other two are alive and well one year and six years after presentation. Review of the literature shows 12 previously reported cases, with a mortality of about 50%. The diagnosis is made by the histopathologist, alerting appropriate treatment. The pathogenesis is unknown.