Patient being treated for lymphoma with fever and abdominal pain.
CT Abdomen and pelvis
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CT scan shows mesenteric panniculitis as well-circumscribed, inhomogeneous fatty mass displaying higher attenuation than normal retroperitoneal fat.
Mesenteric panniculitis is a rare disorder characterised by a chronic nonspecific inflammation involving the adipose tissue of the bowel mesentery. Although it is still unclear, autoimmune response to unknown sources and ischaemia of the mesentery have been proposed as pathogenetic mechanisms 1.
An association of mesenteric panniculitis and malignancy, mainly lymphoma, was previously indicated in the literature1.