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Membranous Nephropathy
Diagnose This!

Diagnose This (July 4, 2022)

This is the C4d immunofluorescence from a 5 year post-transplant biopsy of an AA female who had ESRD due to…

Antibody-Mediated Rejection, Twitter Poll, Arkana Laboratories
Twitter Poll

Twitter Poll (February 20, 2019)

ANSWER: B The findings are suspicious for active antibody-mediated rejection (ABMR), based on the presence of moderate glomerulitis (g2), severe…

By Vanessa Moreno, MD
transplant glomerulopathy, Chronic Active Antibody-Mediated Rejection
Teaching Points

Chronic Active Antibody-Mediated Rejection

A diagnosis of chronic active antibody-mediated rejection (ABMR) requires morphologic evidence of chronic tissue injury (e.g. transplant glomerulopathy), evidence of…


Antibody-Mediated Rejection
Teaching Points

Antibody-Mediated Rejection

This biopsy was performed on a 37-year-old female with a history of type 1 diabetes mellitus, status post second deceased…

acute antibody-mediated rejection
Pushing Glass

Pushing Glass (October 10, 2017)

The patient is a 50-year-old African-American female with a past medical history significant for ESRD secondary to lupus nephritis who…

Intimal Arteritis
Teaching Points

Intimal Arteritis

The image in Figure 1 shows mild intimal arteritis in an allograft biopsy from a patient who had undergone a…


Antibody-Mediated Rejection
Diagnose This!

Diagnose This! (April 17, 2017)

What is this stain and what does this finding mean in a transplant patient (Hint: Its not a vascular marker).…

By L. Nich Cossey, MD