PMC7290857_01
CT abdomen showing retroperitoneal fibrosis (arrow) and right hydroureter (asterisk).
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They also compress the right ureter contributing to hydronephrosis and right proximal hydroureter (Figure 1).
Hematoxylin-Eosin/H&E (200x magnification) staining of the subcutaneous tissue foreign material with fibrosis calcification surrounded by giant cell foreign body reaction and inflammation.
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A biopsy was taken from the right gluteal area that showed diffuse subcutaneous tissue fibrosis and fat necrosis along with multiple foreign body giant cell reactions (Figure 2).
Subcutaneous edema.
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MRI of the right leg showed extensive circumferential subcutaneous edema of the right leg and thigh and fat stranding (Figure 3).