IPLab:Lab 6:Amyloidosis

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Clinical Summary[edit]

This 46-year-old white male with a long-standing history of rheumatoid arthritis was admitted for treatment of pneumonia. Subsequently, complications associated with lung abscesses, empyema, and septicemia led to the patient's death.

Autopsy Findings[edit]

The liver weighed 2600 grams. It was yellowish-tan in color and cut with difficulty (fibrosis?). No other pathological changes were noted except for pneumonia and lung abscesses.


Virtual Microscopy[edit]

Liver: Amyloid H&E[edit]

Liver: Amyloid Congo Red[edit]

Normal Liver H&E[edit]

Study Questions[edit]

Additional Resources[edit]


Journal Articles[edit]


Related IPLab Cases[edit]

In alcoholics, aspiration pneumonia is common--bacteria enter the lung via aspiration of gastric contents.

An abscess is a collection of pus (white blood cells) within a cavity formed by disintegrated tissue.

A normal liver weighs 1650 grams (range: 1500 to 1800 grams).