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Year : 2016  |  Volume : 26  |  Issue : 3  |  Page : 176-181

Expanding the antibody-mediated component of plasma cell-rich acute rejection: A case series

1 Department of Pathology, Nizam's Institute of Medical Sciences, Hyderabad, Telangana, India
2 Department of Nephrology, Nizam's Institute of Medical Sciences, Hyderabad, Telangana, India

Correspondence Address:
M S Uppin
Department of Pathology, Nizam's Institute of Medical Sciences, Hyderabad, Telangana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-4065.159300

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Renal allograft rejection is mediated by T-cells (T-cell mediated rejection) or by donor-specific antibodies (DSAs) (antibody mediated rejection, ABMR). Plasma cell-rich acute rejection (PCAR) is a unique entity due to its peculiar morphology and poor prognostic behavior. All allograft biopsies done at our center from January 2013 to October 2014 were reviewed, and seven were identified with a diagnosis of PCAR with antibody mediated rejection (ABMR). The allograft biopsies were classified as per the Banff 2007 schema. Immunohistochemistry with C4d, SV 40, CD3, CD20, CD138, kappa and lambda light chain was performed. Total 210 allograft biopsies were performed in the study period of which seven biopsies (3.3%) were diagnosed as PCAR with ABMR. All these were late ABMRs (more than 6 months) with median posttransplant duration of 17 months. The allograft biopsy showed features of PCAR along with glomerulitis, peritubular capillaritis, and positive C4d. DSA was positive in six patients. All the patients were treated with standard therapeutic measures of acute cellular rejection (ACR) and ABMR including steroids, plasma exchange, rituximab and intravenous immunoglobulins. All the patients had persistent graft dysfunction or graft loss on follow-up.


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Indian Journal of Nephrology
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Online since 20th Sept '07