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Related Concept Videos

Liver Histology01:27

Liver Histology

The microscopic anatomy of the liver is a complex and intricate system that comprises numerous structural units known as liver lobules, each of which is comparable in size to a sesame seed. These hexagonal structures consist of plates of liver cells or hepatocytes, which are characterized by their versatility and abundance of cellular apparatus like rough and smooth ER, Golgi apparatus, peroxisomes, and mitochondria.
Hepatocytes perform a variety of essential functions. They secrete...
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Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...

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Related Experiment Video

Updated: Jul 9, 2026

Isolation of Tissue Extracellular Vesicles from the Liver
05:39

Isolation of Tissue Extracellular Vesicles from the Liver

Published on: August 21, 2019

Isolated liver nodules.

N G Shojania, G R Hogg

    Gastroenterology
    |July 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Isolated liver nodules exhibit a range of pathological features, often showing abnormal blood vessels and ischemia. These findings suggest a potential link between vascular abnormalities and reduced blood supply in these lesions.

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    Area of Science:

    • Hepatology
    • Vascular Biology
    • Pathology

    Background:

    • Isolated liver nodules represent a spectrum of hepatic lesions.
    • Understanding their pathological characteristics and vascular supply is crucial for diagnosis.

    Purpose of the Study:

    • To characterize the pathology and vascularity of isolated liver nodules.
    • To investigate the relationship between abnormal blood vessels and ischemia in these nodules.

    Main Methods:

    • Pathological examination of thirteen isolated liver nodules from seven patients.
    • Assessment of vascular abnormalities and tissue ischemia within the nodules.

    Main Results:

    • Nodules ranged from disorganized parenchyma to fatty, lipoma-like structures.
    • Abnormal blood vessels were frequently observed in and around the nodules.
    • All nodules demonstrated ischemia compared to normal liver tissue.

    Conclusions:

    • A strong association exists between abnormal vasculature and ischemia in isolated liver nodules.
    • Angiography may confirm the constancy of abnormal vessels and their inadequacy in supplying blood.
    • Fatty isolated liver nodules may correspond to previously reported "lipoma of the liver" cases.