Case: Spontaneous bladder rupture presenting as sudden-onset abdominal pain in a child after many years in remission from bladder rhabdomyosarcoma
Bibliographic record
Abstract
Bladder rupture in the absence of trauma (spontaneous bladder rupture) is a rare but life-threatening phenomenon, commonly associated with pelvic malignancy1,2 and postvaginal delivery.3 In children, case reports of spontaneous bladder rupture are most often idiopathic or associated with congenital genitourinary malformations (e.g., posterior urethral valve) and bladder augmentation surgery.4 Since bladder rupture often presents with acute abdominal pain, the diagnosis can be missed, leading to delayed treatment and poor outcomes. Here, we describe the second case in the literature, to our knowledge, of spontaneous bladder rupture in a pediatric patient with prior bladder rhabdomyosarcoma.
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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 | 0.001 | 0.007 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.002 |
| Science and technology studies | 0.003 | 0.002 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.002 | 0.002 |
| Research integrity | 0.006 | 0.004 |
| Insufficient payload (model declined to judge) | 0.002 | 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".