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Related to ischemic necrosis: ischaemia
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Edema and necrosis in the perivascular area interrupts the blood supply and leads to ischemic necrosis, with the lesions progressing as described earlier.
Kaplan-Meier curves showing overall survival of patients with jejunoileal neuroendocrine tumors with and without intestinal ischemic necrosis (IIN) (P =.
Resulting ischemic necrosis of the cortical proximal convoluted tubules would be consistent with our histologic findings in these OWBVs.
Of the 62 placentas that were examined pathologically, 76% had intravascular thrombi, decidual vasculopathy, ischemic necrosis, or villous infarction.
4) also noticed early conversion of normal marrow signal to fatty marrow in the patients with ischemic necrosis and remarked it to be caused by diminished vascularity.
Ischemic necrosis may be due to atherosclerosis, low-flow states secondary to hypovolemia, vasculitis, (46) adhesions, various drugs such as pseudoephedrine, (47) and even long-distance running.
1) Therefore, it is a well-accepted surgical principle that simultaneous sacrifice of both lingual arteries will critically compromise blood flow and lead to ischemic necrosis of the entire tongue.
The pathologic evaluation of the involve tissue may reveal the central area of ischemic necrosis surrounded by inflammatory granulation tissue, congestion and thrombosis of nutrient blood vessels.
Histochemical stains, such as nicotinamide dehydrogenase (NADH), show loss of mitochondrial enzyme activity by the loss of blue staining, as observed in the pale fibers, providing evidence that the beginning necrosis was ischemic necrosis (Figure 4).
The differential diagnosis of black esophagus includes ischemic necrosis of the esophagus, exogenous and endogenous pigmentation, and hypersensitivity-related mucosal reactions.
Secondary in which there may be ischemic necrosis, fibrosis, calcification, or chronic inflammation in the remaining layers of intestine.
In this case, we observed only ischemic necrosis surrounded by palisading histiocytes; we did not observe atypia in the viable cells at the periphery, and mitotic figures were not identified.