Journal List > Korean J Gastroenterol > v.64(6) > 1007317

Kim and Kim: Lower Gastrointestinal Bleeding Induced by Secondary Amyloidosis

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Fig. 1.
Endoscopic findings at initial visit. (A) Coarse mucosa with diminished colonic vasculature is noted throughout the colon. (B) Diffuse mucosal ulceration with necrotic tissue and hemorrhagic bullae are seen on descending and sigmoid colon.
kjg-64-387f1.tif
Fig. 2.
Cardiac MRI. Diffuse left ventricular wall thickening is noted on vertical long axis veiw.
kjg-64-387f2.tif
Fig. 3.
Microscopic findings of colon tissue. (A) Amorphous pinkish hyaline deposits are seen in vessel wall (H&E, ×200). (B) Congo red staining shows amorphous hyaline deposits in vessel walls (×200).
kjg-64-387f3.tif
Fig. 4.
Gross findings of surgically resected specimen. Mucosal ulcerations and hemorrhage at subserosal fat are noted without any mass-like lesions.
kjg-64-387f4.tif
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