Abstract
A 55-year-old Caucasian man presented with weight loss, cramping abdominal pains, an increasing abdominal circumference and diarrhea. Physical examination showed no abnormalities besides a puffy abdomen. His past medical history included a recent subcutaneous swelling in the neck, histologically compatible to a benign solitary fibrous tumor. All blood results were within normal limits. Abdominal ultrasonography showed a tumor with diameter of 6.7 cm, probably originating from the pancreas, with ascites and retroperitoneal lymphadenopathy. This was followed by a CT scan. CT scan of the abdomen was repeated following therapy.
Highlights
A 55-year-old Caucasian man presented with weight loss, cramping abdominal pains, an increasing abdominal circumference and diarrhea
The encased arteries and veins are stenosed, but not occluded. This results in prestenotic venous distention and probably in ischemia of small bowel loops and the ascending colon, seen as thickening of the walls
Histological diagnosis showed extensive inflammation with fibromatosis, without malignant cells. This is compatible with a diagnosis of sclerosing mesenteritis localized in the mesentery root
Summary
A 55-year-old Caucasian man presented with weight loss, cramping abdominal pains, an increasing abdominal circumference and diarrhea. Physical examination showed no abnormalities besides a puffy abdomen His past medical history included a recent subcutaneous swelling in the neck, histologically compatible to a benign solitary fibrous tumor. Abdominal ultrasonography showed a tumor with diameter of 6.7 cm, probably originating from the pancreas, with ascites and retroperitoneal lymphadenopathy. The encased arteries and veins are stenosed, but not occluded This results in prestenotic venous distention and probably in ischemia of small bowel loops and the ascending colon, seen as thickening of the walls. Contrast-enhanced CT scan of the abdomen (arterial phase) after treatment (Fig. 2) shows tumor regression and normalization of the bowel walls
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