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Two cases report of heavy- and light-amyloidosis and literature review / 中华肾脏病杂志
Chinese Journal of Nephrology ; (12): 447-453, 2020.
Article in Chinese | WPRIM | ID: wpr-870980
Responsible library: WPRO
ABSTRACT

Objective:

To investigate the clinical manifestation, diagnosis and prognosis of heavy- and light-amyloidosis (AHL).

Methods:

The clinical data of two patients with AHL in Peking University People's Hospital and 21 cases of reported literature were reviewed to clarify the clinical and prognostic characteristics of AHL.

Results:

Compared with light-amyloidosis, most AHL patients were male, with high positive rate of blood and urine immunofixation electrophoresis and complete immunoglobulin. The manifestations of the kidneys were proteinuria, mainly composed of albumin, nephrotic syndrome and microscopic haematuria. The pathology of renal biopsy showed that Congo red staining positive substances were deposited in many sites (mesangial area, capillary wall, arteriole and renal interstitium), and immunofluorescence showed that monoclonal heavy chain with light chain (the type was consistent with the hematuria M protein) were clumpy deposition, which was consistent with amyloid deposition site. Heart involvement was rare, and the proportion of plasma cells in bone marrow was high.

Conclusion:

AHL is rare and its clinical manifestations of AHL are different from those of light-amyloidosis. The prognosis needs to be further observed.
Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Nephrology Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Nephrology Year: 2020 Type: Article