Polyomavirus Infection and Acute Vascular Rejection in a Kidney Allograft: Coincidence or Mimicry?
Bibliographic record
Abstract
During the past decade, polyoma virus (PV) infection has emerged as an important cause of graft dysfunction and failure in kidney transplant recipients. Establishing the correct diagnosis can be difficult, however, because the histologic appearance of PV infection can resemble acute cellular rejection. We report a kidney-pancreas transplant recipient with PV infection, in whom both vascular and cellular rejection were dominant histologic features in a renal biopsy specimen. The patient was successfully managed by tapering immunosuppressive therapy, and continues to have good graft function 3 years after diagnosis of PV infection. This case highlights the spectrum of inflammatory changes associated with PV infection, and the need for caution when such changes are attributed to rejection. During the past decade, polyoma virus (PV) infection has emerged as an important cause of graft dysfunction and failure in kidney transplant recipients. Establishing the correct diagnosis can be difficult, however, because the histologic appearance of PV infection can resemble acute cellular rejection. We report a kidney-pancreas transplant recipient with PV infection, in whom both vascular and cellular rejection were dominant histologic features in a renal biopsy specimen. The patient was successfully managed by tapering immunosuppressive therapy, and continues to have good graft function 3 years after diagnosis of PV infection. This case highlights the spectrum of inflammatory changes associated with PV infection, and the need for caution when such changes are attributed to rejection.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".