Mesenteric lipoma

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Mesenteric lipomas are uncommon benign fat-containing lesions .

Pathology

Like other lipomas, they are comprised of mature adipocytes.

Radiographic features

Although described on both CT and ultrasound, they are more commonly seen on CT.

  • proliferation of homogenous adipose tissue in the mesentery

  • often contained and separate from free mesenteric fat

  • on CT they usually between -80 and -120 HU (which is identical to that of subcutaneous fat)

Differential diagnosis

On imaging consider