A guidewire introducer as a ureteral foreign body: A case report
Why this work is in the frame
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Bibliographic record
Abstract
A 63-year-old male, previously treated for a ureteral tumour by a right-sided segmental ureterectomy and end-to-end anastomosis of ureteral segments, was referred to our clinic for endoscopic follow-up. During his follow-up, he was diagnosed with partial right-sided ureteral stricture which eventually progressed to complete obstruction. During the ureteroscopy, as the stenotic segment did not allow passage of an hydrophilic guidewire, an antegrade-retrograde approach was decided. On the antegrade endoscopic view, a near-complete stenosis was diagnosed and a nephrostomy catheter (12 Fr) was placed. A second intervention was planned and from the nephrostomy tract, the ureteroscope was placed into the right pyelocaliceal system. The diagnostic ureteroscopy revealed a foreign object proximal to the stenotic area. Right-sided segmental ureterectomy of the stenotic segment with ureteroneocystostomy and removal of the foreign object was performed. This is the only case in literature to reveal a guidewire introducer as a ureteral foreign body. This case also highlights the importance of the fragility of the ureter, the importance of the equipment, of always being watchful during a surgery, and the importance of checking the integrity of the equipment at the end of each procedure.
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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 | 0.001 | 0.002 |
| 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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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 it