Fat Necrosis
Fat Necrosis - Related Videos
01:16
Necrosis
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2023
Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”. Morphological Manifestations of Necrosis Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become anucleated and die, but their...
02:12
Muscle Necrosis Assay in C. elegans Induced by a Pathogenic Aeromonas Strain
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2026
Source: Chen, Y. et. al., Evaluating Virulence and Pathogenesis of Aeromonas Infection in a Caenorhabditis elegans Model. J. Vis. Exp. (2018)This video demonstrates a muscle necrosis assay in C. elegans (Caenorhabditis elegans) using pathogenic Aeromonas strains. By feeding green fluorescent protein (GFP)-expressing worms on Aeromonas-seeded plates, the assay models bacterial infection and reveals tissue damage through fluorescence imaging. The progressive loss of muscle structure and GFP...
01:16
Cellular Injury IV: Necrosis
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2026
Necrosis is a form of irreversible cell death caused by severe injury such as ischemia, toxins, or trauma. Unlike programmed cell death, it is an uncontrolled, pathological process that typically provokes inflammation in surrounding tissues.Pathophysiologic ChangesNecrosis begins when cells sustain critical damage, leading to swelling of organelles, particularly mitochondria, and rapid ATP depletion. As energy levels decline, membrane ion pumps fail, leading to calcium influx and eventually,...
06:30
An ex vivo Mouse Model for High-Fat Diet-Like Adipose Tissue Inflammation
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2026
Using an ex vivo explant model, small pieces of the rostral portion of visceral white adipose tissue from lean mice are cultured for 7–10 days, enabling the induction and study of adipose tissue inflammation as it occurs during high-fat diet feeding.
09:25
Transplantation Into the Mouse Ovarian Fat Pad
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Cited by 7 •
2016
We describe an ovarian fad pad transplantation assay suitable for studies of normal and transformed epithelia of the female reproductive tract. The mouse fat pad allows transplantation of large tissue fragments, is easily accessible for surgery and imaging, and provides the most favorable native environment for tissues of Müllerian origin.
FAQs
After adipocyte injury, lipases hydrolyze stored triglycerides into fatty acids and glycerol. The fatty acids can then bind calcium, producing saponification, a chemical process that creates firm, chalky deposits within the damaged tissue. This transformation helps explain why an initially soft area of fat injury may later become palpable or calcified during tissue repair.
These causes disrupt adipocytes through distinct initiating events. Trauma directly damages fat cells, reduced blood supply deprives them of conditions needed for survival, and pancreatic enzymes can digest fat outside the pancreas. Despite their different origins, each pathway releases stored lipids and can lead to enzymatic breakdown, inflammation, and subsequent tissue remodeling.
Released lipids and their breakdown products signal tissue injury, prompting recruitment of immune cells to the affected area. This response supports removal of damaged material and contributes to repair, but it also produces visible or palpable changes such as masses, cysts, and calcifications. The resulting morphology reflects both cell destruction and the body's cleanup process.
In breast tissue, the inflammatory and repair response can create a palpable mass, cyst, or calcified area that resembles a concerning lesion. Interpreting these changes requires distinguishing injury-related remodeling from malignancy rather than assuming that every mass reflects cancer. This makes the condition relevant to understanding how benign tissue repair can mimic disease.
Pancreatic enzymes can disrupt nearby adipose tissue and initiate lipid breakdown, inflammation, and calcium-associated deposits. Consequently, fat necrosis provides a biological link between pancreatic enzyme activity and changes in surrounding fat. Studying this relationship helps explain tissue pathology associated with pancreatic disease and separates the initiating enzymatic injury from later repair findings.
Researchers can follow a sequence from adipocyte injury and lipid release to fatty-acid breakdown, immune-cell recruitment, and tissue remodeling. Observable outcomes may include firm masses, cyst formation, or chalky calcifications. Examining this sequence connects cellular damage with inflammation and repair, while also helping investigators interpret whether a tissue change reflects benign recovery or a disease process.