I have seen and followed dozens of patients with this diagnosis. As noted above, it is important foremost to be sure of the diagnosis. Mesenteric panniculitis can be part of the IgG4 associated spectrum and so a biopsy is useful if it can be done safely. The other disease in the differential is carc...

I have seen only 2 patients with it, so my personal experience is quite limited. The patients are typically referred by gastroenterology. First, I would make sure you are not missing an underlying malignancy, or IgG4-associated disease. A biopsy would be highly desirable. The treatment we implemente...