PMC2910504_01
Sclerosing mesenteritis. (a) Contrast enhanced CT Axial section through the mid abdomen shows a heterogeneous soft tissue density (black arrow) with calcifications in the root of mesentery and mesenteric fat stranding with fibrotic kinking and traction over small bowel loops as shown by an asterisk. (b) Contrast enhanced CT coronal section redemonstrating fibrosing reaction in the mesentery with pulling of adjacent bowel loops. (c) Contrast enhanced CT sagittal section clearly showing speculation in the mesenteric mass (straight white arrow) with mesenteric fat infiltration.
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fig1
Mesenteric fibrosis resulting in tethering of small bowel loops with extensive desmoplastic reaction and small mesenteric lymph nodes were also noted (Figures 1(a), 1(b), and 1(c)). 
(a) (H&E, magnification 10x). Dense collagen with fascicles of bland fibroblasts. (b) (H&E, magnification 10x). Collagen bundles with associated fibroblasts and chronic inflammatory cells.
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fig2
Occasional collections of histiocytes were noted, but no evidence of granuloma or malignancy was identified (Figures 2(a) and 2(b)).