Case Report
Brown Bowel Syndrome Is a Rare and Commonly Missed Disease: A Case Report and Literature Review
Figure 1
(a) Gross photos of small bowel from BBS (left) and from trauma patient as control (right). The wall is thicker and brown in comparison with the right. (b) H&E stain (x2) showing brown deposits in the muscularis propria. (c) H&E stain (x40) showing brown deposits in smooth muscle cells of the muscularis propria. (d) PASD stain (x40) highlighting brown deposits in the cytoplasm of smooth muscle cells. (e) Fontana-Masson stain (x40) highlighting brown deposits in the cytoplasm of smooth muscle cells. (f) Fontana-Masson stain (x40) highlighting brown deposits in smooth muscle cells of the blood vessel.
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