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Diagnose This (March 14, 2022)
This is the biopsy from a 41yo Middle Eastern female who received a renal transplant a few years prior and…
Twitter Poll (July 21, 2021)
Answer: B, Cortex and medullaPer the 2018 Banff reference guide for the evaluation of transplant biopsies, an adequate specimen is…
Diagnose This (May 25, 2021)
In an allograft biopsy, what would be your diagnosis for this combination of findings? …
Twitter Poll (July 22, 2020)
ANSWER: C, Banff Class 3The answer is C, Polyomavirus Nephropathy, Banff Class 3. The Banff Working Group Classification was created…
Twitter Poll (March 25, 2020)
ANSWER: TrueIn 2018, Nickeleit et al. postulated a morphologic classification of polyomavirus nephropathy (PVN) based on pathologic features that correlate…
KDIGO Connections: ADPKD in Kidney Transplant Candidates
Kidney transplant donors and autosomal dominant polycystic kidney disease.
Art of Medicine: The Pre-Implantation Kidney Biopsy
The painting above shows normal glomeruli, tubulointerstitium, and a normal artery from a pre-implantation wedge biopsy. Pre-implantation wedge biopsies, also…
Twitter Poll (June 26, 2019)
ANSWER: C Severe intimal arteritis (v2), with or without interstitial inflammation and/or tubulitis is considered acute TCMR Grade IIB based…
Membranous Nephropathy After Transplantation
The biopsy shows a recurrent membranous nephropathy within a transplant. Figure 1 shows “spikes” and “holes.” Figure 2 shows mild…
Pushing Glass (December 7, 2018)
The patient is a 50-year-old female who presents 2 days after a renal transplant with a delay in graft function…