5D00.1/E85.3 AA amyloidosis



AA amyloidosis is caused by the deposition of misfolded serum amyloid A protein (SAA) in various organs and tissues throughout the body. It is usually associated with chronic inflammation, such as rheumatoid arthritis, systemic lupus erythematosus, or other inflammatory conditions.


Diagnosis of AA amyloidosis is based on a combination of clinical findings, laboratory tests, and imaging studies. Laboratory tests may include SAA protein levels, which are usually elevated in AA amyloidosis. Imaging studies such as computed tomography (CT) or magnetic resonance imaging (MRI) may be used to identify affected organs and tissues.

Differential diagnosis

The differential diagnosis for AA amyloidosis includes other systemic amyloidoses, such as AL and ATTR, as well as other diseases that can cause similar symptoms.


Treatment of AA amyloidosis typically involves controlling the underlying inflammatory condition, as well as specific medications to reduce SAA protein levels. Additionally, supportive care such as physical and occupational therapy may be helpful.


The prognosis for AA amyloidosis is highly variable and depends on the severity of the condition and the underlying cause. However, early diagnosis and aggressive treatment can improve outcomes.

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