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Fat necrosis may result from various injuries to adipose tissue, including: physical trauma, enzymatic digestion of adipocytes by lipases, [3] radiation therapy, [4] hypoxia, or inflammation of subcutaneous fat (panniculitis). The gross appearance of fat necrosis is as an irregular, chalky white area within otherwise normal adipose tissue. [1]
Fat necrosis is specialized necrosis of fat tissue, [10] resulting from the action of activated lipases on fatty tissues such as the pancreas. In the pancreas it leads to acute pancreatitis , a condition where the pancreatic enzymes leak out into the peritoneal cavity, and liquefy the membrane by splitting the triglyceride esters into fatty ...
Adipose tissue (also known as body fat or simply fat) is a loose connective tissue composed mostly of adipocytes. [ 1 ] [ 2 ] It also contains the stromal vascular fraction ( SVF ) of cells including preadipocytes , fibroblasts , vascular endothelial cells and a variety of immune cells such as adipose tissue macrophages .
Caseous necrosis in T.B. is most common site of dystrophic calcification. Liquefactive necrosis in chronic abscesses may get calcified. Fat necrosis following acute pancreatitis or traumatic fat necrosis in breasts results in deposition of calcium soaps. Infarcts may undergo D.C. Thrombi, especially in veins, may produce phleboliths.
Histopathologic image of aspiration pneumonia in an elderly patient with debilitating neurologic illness. Note foreign-body giant cell reaction. Autopsy case. H & E stain. A foreign-body giant cell is a collection of fused macrophages which are generated in response to the presence of a large foreign body.
A kind of memory of obesity may be retained by fat tissues even after weight loss, increasing the chance of some people regaining it, a new study suggests.. The research, published in the journal ...
The histopathologic findings in FAVA include dense fibrous tissue, fat, and lymphoplasmacytic aggregates within atrophied skeletal muscle. Adipose tissue within skeletal muscles are associated with large, irregular, and sometimes excessively muscularized venous channels and smaller, clustered channels. [ 2 ]
Fibrosis can be used to describe the pathological state of excess deposition of fibrous tissue, as well as the process of connective tissue deposition in healing. [3] Defined by the pathological accumulation of extracellular matrix (ECM) proteins, fibrosis results in scarring and thickening of the affected tissue — it is in essence a natural ...