Krukenberg Tumor of Renal Pelvic Origin: Report of a Case With Selected Comments on Ovarian Tumors Metastatic From the Urinary Tract
Bibliographic record
Abstract
Metastatic tumors to the ovary are infrequently of urinary tract origin. In approximate descending order of frequency, this subset of secondary ovarian neoplasms includes renal cell carcinoma, transitional cell carcinoma of the urinary bladder, and urachal adenocarcinomas. These tumors usually raise a differential in turn of primary ovarian clear cell, transitional cell, or mucinous carcinomas. Only rare metastatic signet-ring adenocarcinomas of the bladder have shown the features of a Krukenberg tumor. We report the case of a 74-year old woman with bilateral Krukenberg tumors metastatic from a primary renal pelvic transitional cell carcinoma with glandular and signet-ring cell differentiation. This unique case reinforces that tumors with signet-ring cell morphology have a propensity to metastasize to the ovary, and indicates that renal pelvic carcinoma rarely may be the source of Krukenberg tumors.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.003 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.003 | 0.002 |
| Science and technology studies | 0.003 | 0.002 |
| Scholarly communication | 0.002 | 0.002 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.004 | 0.002 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".