Waldenström's macroglobulinemia electrophoresis and immunofixation: Difference between revisions

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==Electrophoresis and Immunofixation==
==Electrophoresis and Immunofixation==
 
*[[Serum protein electrophoresis]] is important for the [[diagnosis]] of [[Waldenström's macroglobulinemia]].
* [[Serum protein electrophoresis]] is important for the [[diagnosis]] of [[Waldenström's macroglobulinemia]].
*Findings on an [[electrophoresis]] [[diagnostic]] of [[Waldenström's macroglobulinemia]] include:<ref name="pmid1872571">{{cite journal| author=Riches PG, Sheldon J, Smith AM, Hobbs JR| title=Overestimation of monoclonal immunoglobulin by immunochemical methods. | journal=Ann Clin Biochem | year= 1991 | volume= 28 ( Pt 3) | issue=  | pages= 253-9 | pmid=1872571 | doi=10.1177/000456329102800310 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1872571  }} </ref>
 
* Findings on an [[electrophoresis]] [[diagnostic]] of [[Waldenström's macroglobulinemia]] include:<ref name="pmid1872571">{{cite journal| author=Riches PG, Sheldon J, Smith AM, Hobbs JR| title=Overestimation of monoclonal immunoglobulin by immunochemical methods. | journal=Ann Clin Biochem | year= 1991 | volume= 28 ( Pt 3) | issue=  | pages= 253-9 | pmid=1872571 | doi=10.1177/000456329102800310 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1872571  }} </ref>
 
**Sharp, narrow [[Spike sorting|spike]] of [[Monoclonal antibodies|monoclonal]] [[IgM]] [[protein]]
**Sharp, narrow [[Spike sorting|spike]] of [[Monoclonal antibodies|monoclonal]] [[IgM]] [[protein]]
**[[Dense]] band of [[Monoclonal antibody|monoclonal]] [[Immunoglobulin M|IgM]] [[protein]]
**[[Dense]] band of [[Monoclonal antibody|monoclonal]] [[Immunoglobulin M|IgM]] [[protein]]
**The [[paraprotein]] can be of any [[Size consistency|size]]
**The [[paraprotein]] can be of any [[Size consistency|size]]
* [[Serum]] [[immunofixation]] is important for the [[diagnosis]] of [[Waldenström's macroglobulinemia]]. It helps in confirming the presence of a [[Monoclonal|monoclonal protein]], in addition to determining its type.<ref name="pmid1872571">{{cite journal| author=Riches PG, Sheldon J, Smith AM, Hobbs JR| title=Overestimation of monoclonal immunoglobulin by immunochemical methods. | journal=Ann Clin Biochem | year= 1991 | volume= 28 ( Pt 3) | issue=  | pages= 253-9 | pmid=1872571 | doi=10.1177/000456329102800310 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1872571  }} </ref>
* [[Serum]] [[immunofixation]] is important for the [[diagnosis]] of [[Waldenström's macroglobulinemia]]. It helps in confirming the presence of a [[Monoclonal|monoclonal protein]], in addition to determining its type.<ref name="pmid1872571">{{cite journal| author=Riches PG, Sheldon J, Smith AM, Hobbs JR| title=Overestimation of monoclonal immunoglobulin by immunochemical methods. | journal=Ann Clin Biochem | year= 1991 | volume= 28 ( Pt 3) | issue=  | pages= 253-9 | pmid=1872571 | doi=10.1177/000456329102800310 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1872571  }} </ref>



Latest revision as of 18:54, 15 August 2019

Waldenström's macroglobulinemia Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Mohsin, M.D.[2] Roukoz A. Karam, M.D.[3]

Overview

Serum protein electrophoresis and immunofixation are important for the diagnosis of Waldenström's macroglobulinemia and shows sharp, narrow spike and dense band of monoclonal IgM paraprotein. CSF flow cytometry, protein electrophoresis and immunofixation are done for the diagnosis of Bing-Neel syndrome and shows a lambda light chain-restricted population of B-cells consistent with a CD5+ CD10+ B-cell lymphoma.

Electrophoresis and Immunofixation

Serum immunofixation electrophoresis. (A) There is a slightly dense band with IgM, kappa antisera, suggestive of monoclonal gammopathy (B) After the treatment, a dense band with IgM was disappeared.Source: Kim YL. et al, Department of Internal Medicine, Eulji University College of Medicine, Seoul, Korea.

CSF flow cytometry, protein electrophoresis and immunofixation for diagnosis of Bing-Neel syndrome

Stereostactic brain biopsy showing diffuse infiltration of atypical plasmacytoid lymphocytes into the dural fibrous tissue (A) Hematoxylin & eosin (original magnification ×200); (B) Positive immunohistochemical staining for CD20 (original magnification ×40). Source: Kim HD. et al, Department of Internal Medicine, Yeoungnam University College of Medicine, Daegu, Korea.
Plasmacytoid cells found on cytospin of the cerebrospinal fluid confirming cellular infiltration of the central nervous system.Source: Halperin D. et al, Whipps Cross Hospital, London E11 1NR, UK.

References

  1. 1.0 1.1 Riches PG, Sheldon J, Smith AM, Hobbs JR (1991). "Overestimation of monoclonal immunoglobulin by immunochemical methods". Ann Clin Biochem. 28 ( Pt 3): 253–9. doi:10.1177/000456329102800310. PMID 1872571.
  2. O'Neil DS, Francescone MA, Khan K, Bachir A, O'Connor OA, Sawas A (2018). "A Case of Bing-Neel Syndrome Successfully Treated with Ibrutinib". Case Rep Hematol. 2018: 8573105. doi:10.1155/2018/8573105. PMC 6136466. PMID 30228918.
  3. Minnema MC, Kimby E, D'Sa S, Fornecker LM, Poulain S, Snijders TJ; et al. (2017). "Guideline for the diagnosis, treatment and response criteria for Bing-Neel syndrome". Haematologica. 102 (1): 43–51. doi:10.3324/haematol.2016.147728. PMC 5210231. PMID 27758817.
  4. Tallant A, Selig D, Wanko SO, Roswarski J (2018). "First-line ibrutinib for Bing-Neel syndrome". BMJ Case Rep. 2018. doi:10.1136/bcr-2018-226102. PMID 30279255.

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