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Figuring out which type of amyloidosis you have is a crucial step — it directly shapes which treatments will work best. Doctors typically use a combination of tests rather than relying on just one.

Here's a breakdown of the key tests used:

- Biopsy — A small tissue sample (often from belly fat, bone marrow, or an affected Show Full Answer

Figuring out which type of amyloidosis you have is a crucial step — it directly shapes which treatments will work best. Doctors typically use a combination of tests rather than relying on just one.

Here's a breakdown of the key tests used:

- Biopsy — A small tissue sample (often from belly fat, bone marrow, or an affected organ) is tested in a lab. Special stains and techniques like mass spectrometry help identify the exact amyloid protein type
- Blood and urine tests — These look for abnormal proteins, such as light chains (which point toward AL amyloidosis), and check how well your organs are functioning
- Genetic testing — A blood sample is checked for changes in the TTR gene. If a mutation is found, the diagnosis is hereditary ATTR (hATTR). If no mutation is found, it points to wild-type ATTR
- Nuclear imaging (PYP scan) — This scan helps distinguish ATTR amyloidosis from AL amyloidosis, particularly when the heart is involved
- Echocardiogram — Checks heart function and can reveal signs of amyloid buildup in the heart
- Family history review — Since hATTR is inherited, knowing if relatives have been diagnosed can guide testing decisions Each type has distinct markers:

- AL amyloidosis — Identified by the presence of abnormal light-chain proteins in blood or urine, plus a bone marrow biopsy to examine plasma cells
- ATTR amyloidosis — Confirmed through biopsy, PYP scan, and genetic testing to determine if it's hereditary (hATTR) or wild-type
- AA amyloidosis — Identified through biopsy with special protein analysis, usually in the context of long-term inflammation

It's worth noting that no single test confirms the type on its own — the full picture comes together from multiple results. Always discuss your test results with your care team so they can guide next steps.

 AI-generated responses are not a substitute for medical advice. These services are not intended to diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.

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