Waldenström's macroglobulinemia other diagnostic studies: Difference between revisions
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==Other Diagnostic Studies== | ==Other Diagnostic Studies== | ||
Other diagnostic studies for Waldenström macroglobulinemia include: | Other diagnostic studies for Waldenström macroglobulinemia include: | ||
*'''Nerve conduction tests''' and '''electromyography''', which demonstrates: | *'''Nerve conduction tests''' and '''electromyography''', which demonstrates:<ref name="ser">{{cite journal |vauthors=Nobile-Orazio E, Marmiroli P, Baldini L, Spagnol G, Barbieri S, Moggio M, Polli N, Polli E, Scarlato G |title=Peripheral neuropathy in macroglobulinemia: incidence and antigen-specificity of M proteins |journal=Neurology |volume=37 |issue=9 |pages=1506–14 |year=1987 |pmid=2442666 |doi= |url=}}</ref> | ||
**[[demyelination]] with sensory involvement more than motor | |||
*'''Funduscopy''', which demonstrates:<ref name="pmid27378193">{{cite journal| author=Castillo JJ, Garcia-Sanz R, Hatjiharissi E, Kyle RA, Leleu X, McMaster M et al.| title=Recommendations for the diagnosis and initial evaluation of patients with Waldenström Macroglobulinaemia: A Task Force from the 8th International Workshop on Waldenström Macroglobulinaemia. | journal=Br J Haematol | year= 2016 | volume= 175 | issue= 1 | pages= 77-86 | pmid=27378193 | doi=10.1111/bjh.14196 | pmc=5154335 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27378193 }} </ref> | *'''Funduscopy''', which demonstrates:<ref name="pmid27378193">{{cite journal| author=Castillo JJ, Garcia-Sanz R, Hatjiharissi E, Kyle RA, Leleu X, McMaster M et al.| title=Recommendations for the diagnosis and initial evaluation of patients with Waldenström Macroglobulinaemia: A Task Force from the 8th International Workshop on Waldenström Macroglobulinaemia. | journal=Br J Haematol | year= 2016 | volume= 175 | issue= 1 | pages= 77-86 | pmid=27378193 | doi=10.1111/bjh.14196 | pmc=5154335 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=27378193 }} </ref> | ||
**Dilated, segmented, and tortuous retinal veins | **Dilated, segmented, and tortuous retinal veins giving a "sausage link" appearance | ||
***Useful in patients with suspected hyperviscosity syndrome | |||
**Useful in patients with suspected hyperviscosity syndrome | * '''Plasma viscosity''', which demonstrates: | ||
* '''Plasma viscosity''' | **Values > 1.5 centipoise | ||
** | ***Should be measured in patients presenting with signs and symptoms suggestive of hyperviscosity syndrome or whenever the monoclonal IgM protein spike is > 4 g/dL. | ||
==References== | ==References== | ||
Revision as of 03:03, 31 October 2018
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Waldenström's macroglobulinemia Microchapters |
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Differentiating Waldenström's macroglobulinemia from other Diseases |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Mirdula Sharma, MBBS [2]
Overview
Patients with waldenström's macroglobulinemia should have nerve conduction study, antimyelin associated glycoprotein serology[1], and fundoscopy done.[2] Bone marrow aspirate is frequently hypocellular in waldenström's macroglobulinemia. Biopsy specimen is usually hypercellular and infiltrated with lymphoid and plasmacytoid cells. Dutcher bodies (PAS positive Intranuclear vacuoles containing IgM monoclonal protein) are characteristic feature of waldenström's macroglobulinemia.[3]
Other Diagnostic Studies
Other diagnostic studies for Waldenström macroglobulinemia include:
- Nerve conduction tests and electromyography, which demonstrates:[1]
- demyelination with sensory involvement more than motor
- Funduscopy, which demonstrates:[4]
- Dilated, segmented, and tortuous retinal veins giving a "sausage link" appearance
- Useful in patients with suspected hyperviscosity syndrome
- Dilated, segmented, and tortuous retinal veins giving a "sausage link" appearance
- Plasma viscosity, which demonstrates:
- Values > 1.5 centipoise
- Should be measured in patients presenting with signs and symptoms suggestive of hyperviscosity syndrome or whenever the monoclonal IgM protein spike is > 4 g/dL.
- Values > 1.5 centipoise
References
- ↑ 1.0 1.1 Nobile-Orazio E, Marmiroli P, Baldini L, Spagnol G, Barbieri S, Moggio M, Polli N, Polli E, Scarlato G (1987). "Peripheral neuropathy in macroglobulinemia: incidence and antigen-specificity of M proteins". Neurology. 37 (9): 1506–14. PMID 2442666.
- ↑ Waldenström's macroglobulinemia. MedlinePlus (2015)https://www.nlm.nih.gov/medlineplus/ency/article/000588.htm Accessed on November 16, 2015
- ↑ Agarwal A, Ghobrial IM (2013). "The bone marrow microenvironment in Waldenström macroglobulinemia". Clin Lymphoma Myeloma Leuk. 13 (2): 218–21. doi:10.1016/j.clml.2013.02.006. PMC 3654400. PMID 23490994.
- ↑ Castillo JJ, Garcia-Sanz R, Hatjiharissi E, Kyle RA, Leleu X, McMaster M; et al. (2016). "Recommendations for the diagnosis and initial evaluation of patients with Waldenström Macroglobulinaemia: A Task Force from the 8th International Workshop on Waldenström Macroglobulinaemia". Br J Haematol. 175 (1): 77–86. doi:10.1111/bjh.14196. PMC 5154335. PMID 27378193.