EP24.15: Step‐by‐step technique to identify the proximal ureter with transvaginal ultrasound
Bibliographic record
Abstract
Despite recommendations to use transvaginal ultrasound (TVS) to assess the ureter, there are no published descriptions of how to visualise and describe the proximal ureter above the crossing of the uterine artery. Parametrial endometriosis generally constricts the ureter at the level of the uterine artery-ureter crossing. We present a 5-step guide to assess the proximal ureter on TVS. Accompanying images and videos visually present the 5-step technique, with examples of normal and abnormal proximal ureters. A standardised approach is necessary to visualise the ureter proximal to the crossing of the uterine artery. This first-ever proposed step-by-step approach should allow clinicians to diagnose hydroureter and ureter endometriosis more accurately.
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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 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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".