Difference between revisions of "GLOMERULONEPHRITIS-MONOCLONAL Ig GN"

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==Reference(s)==
==Reference(s)==
Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
Wilkinson, I., Furmedge, D. and Sinharay, R. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press. [https://amzn.to/3YHrI6K Get it on Amazon.]
<br/>Feather, A., Randall, D. and Waterhouse, M. (2020). Kumar And Clark’s Clinical Medicine. 10th ed. S.L.: Elsevier Health Sciences. [https://amzn.to/3k7WSW0 Get it on Amazon.]
<br/>Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
<br/>Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
<br/>Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].
<br/>Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].

Latest revision as of 20:03, 13 March 2023

SUMMARY

1. Characterised by monoclonal Ig deposits in the glomeruli and/or along the tubular basement membrane on immunofluorescence.

2. Ig can cause injury via: deposition, complement activation or precipitation/crystallization.

3. Diagnostic features on IF/IHC: proliferative forms of monoclonal Ig deposition disease, immunotactoid GN, fibrillary GN with monoclonal Ig deposits.

4. In the absence of these distinct patterns, GN with monotypic Ig glomerular deposits on IF/IHC and mesangial/capillary wall deposits on EM is labelled as proliferative GN with monoclonal Ig deposits.

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RELATED DISEASES
6. MGUS: presence of an monoclonal Ig in the absence of plasma cell or lymphoid malignancy or end organ damage. Implies a benign condition. Defn: <10% bone marrow plasma cells, <3g/dL M protein, no evidence of myeloma.

7. MGRS: clonal plasma cell or B lymphocyte proliferation causing a renal lesion in the absence of haematologic malignancy. Defn: <10% bone marrow plasma cells, <3g/dL M protein, presence of renal lesions but absence of myeloma. Tx: directed at the clonal proliferation.

Image: Seethi et al (2018) The Complexity and Heterogeneity of Monoclonal Immunoglobulin-Associated Renal Diseases. JASN


Reference(s)

Wilkinson, I., Furmedge, D. and Sinharay, R. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press. Get it on Amazon.
Feather, A., Randall, D. and Waterhouse, M. (2020). Kumar And Clark’s Clinical Medicine. 10th ed. S.L.: Elsevier Health Sciences. Get it on Amazon.
Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].