Demonstration by Light Microscopy of Cytomegalovirus on a Renal Biopsy of a Renal Allograft Recipient: Confirmation by Immunohistochemistry and in situ Hybridization
Bibliographic record
Abstract
A 14-year-old boy with end-stage renal failure secondary to reflux nephropathy received a renal transplant and was immunosuppressed with prednisone, azathioprine, and Minnesota antilymphoblast globulin, followed by cyclosporine A. A renal biopsy was performed 43 days post-transplantation because of fever and an elevated serum creatinine. The biopsy showed a mild interstitial lymphocytic infiltrate and immunosuppression was not changed. A second renal biopsy was performed 66 days after transplantation because of a persistent elevation of the serum creatinine following a cytomegalovirus (CMV) infection. CMV inclusions were seen by light microscopy (LM) in glomerular and peritubular capillary endothelial cells and tubular epithelial cells but no viral inclusions were present on the grids examined by electron microscopy (EM). However, the inclusions seen by LM were confirmed as CMV by immunohistochemistry, using polyclonal and monoclonal antibodies to CMV, and by in situ hybridization, using a biotinylated CMV DNA probe, emphasizing the usefulness of these techniques when studies by EM are not contributory.
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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 | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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".