Amyloidosis laboratory findings: Difference between revisions
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* The biomarkers include: | * The biomarkers include: | ||
:* Troponin I or Troponin T | |||
:* BNP and NT-proBNP | |||
=== '''Hepatic''' === | === '''Hepatic''' === | ||
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* [[Liver function tests]], including: | * [[Liver function tests]], including: | ||
:*AST | |||
:*ALT | |||
:*Total bilirubin | |||
:*Alkaline phosphatase | |||
:*Albumin | |||
=== '''Renal''' === | === '''Renal''' === | ||
| Line 32: | Line 32: | ||
* These [[Test|tests]] include abnormalities in: | * These [[Test|tests]] include abnormalities in: | ||
:*[[Creatinine|Serum creatinine]] | |||
:*[[Urinary]] [[protein]] | |||
:*[[Glomerular filtration rate]] | |||
:*[[Albumin]] to [[creatinine]] ratio in the [[urine]] | |||
=== '''Thyroid''' === | === '''Thyroid''' === | ||
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* Common [[Test|tests]] that are abnormal in thyroidal involvement of amyloidosis include: | * Common [[Test|tests]] that are abnormal in thyroidal involvement of amyloidosis include: | ||
:*TSH | |||
:*Free T4 | |||
=== '''Bone marrow''' === | === '''Bone marrow''' === | ||
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* In such cases, [[laboratory]] [[Test|testing]] should include<ref name="pmid24145344">{{cite journal| author=Kourelis TV, Kumar SK, Gertz MA, Lacy MQ, Buadi FK, Hayman SR et al.| title=Coexistent multiple myeloma or increased bone marrow plasma cells define equally high-risk populations in patients with immunoglobulin light chain amyloidosis. | journal=J Clin Oncol | year= 2013 | volume= 31 | issue= 34 | pages= 4319-24 | pmid=24145344 | doi=10.1200/JCO.2013.50.8499 | pmc=4881366 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=24145344 }} </ref>: | * In such cases, [[laboratory]] [[Test|testing]] should include<ref name="pmid24145344">{{cite journal| author=Kourelis TV, Kumar SK, Gertz MA, Lacy MQ, Buadi FK, Hayman SR et al.| title=Coexistent multiple myeloma or increased bone marrow plasma cells define equally high-risk populations in patients with immunoglobulin light chain amyloidosis. | journal=J Clin Oncol | year= 2013 | volume= 31 | issue= 34 | pages= 4319-24 | pmid=24145344 | doi=10.1200/JCO.2013.50.8499 | pmc=4881366 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=24145344 }} </ref>: | ||
:*[[Serum protein electrophoresis]] | |||
:*[[Immunoglobulin]] levels | |||
:*[[Serum]] free light chains | |||
:*[[Beta-2 microglobulin|Beta-2-microglobulin]] | |||
== References == | == References == | ||
Revision as of 01:09, 26 October 2019
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Shyam Patel [2]; Associate Editor(s)-in-Chief: Shaghayegh Habibi, M.D.[3]
Overview
Laboratory findings depend on the organs involved. Laboratory testing of specific organs can reveal dysfunction, and the degree of laboratory derangement is usually related to the extent of amyloid involvement.
Laboratory Findings
Cardiac
- Cardiac biomarkers are the most important predictors of outcome in amyloidosis.
- They provide a quantitative assessment for cardiac damage and wall strain.[1]
- The biomarkers include:
- Troponin I or Troponin T
- BNP and NT-proBNP
Hepatic
- Liver function tests, including:
- AST
- ALT
- Total bilirubin
- Alkaline phosphatase
- Albumin
Renal
- A variety of kidney function tests can suggest amyloidosis.
- These tests include abnormalities in:
- Serum creatinine
- Urinary protein
- Glomerular filtration rate
- Albumin to creatinine ratio in the urine
Thyroid
- Common tests that are abnormal in thyroidal involvement of amyloidosis include:
- TSH
- Free T4
Bone marrow
- Concurrent multiple myeloma can be found in patients with amyloidosis.
- In such cases, laboratory testing should include[2]:
- Serum protein electrophoresis
- Immunoglobulin levels
- Serum free light chains
- Beta-2-microglobulin
References
- ↑ Merlini G, Seldin DC, Gertz MA (May 2011). "Amyloidosis: pathogenesis and new therapeutic options". J. Clin. Oncol. 29 (14): 1924–33. doi:10.1200/JCO.2010.32.2271. PMC 3138545. PMID 21483018.
- ↑ Kourelis TV, Kumar SK, Gertz MA, Lacy MQ, Buadi FK, Hayman SR; et al. (2013). "Coexistent multiple myeloma or increased bone marrow plasma cells define equally high-risk populations in patients with immunoglobulin light chain amyloidosis". J Clin Oncol. 31 (34): 4319–24. doi:10.1200/JCO.2013.50.8499. PMC 4881366. PMID 24145344.