P05.26: Cardiac rhabdomyoma in the left ventricular outflow tract of a fetus
Bibliographic record
Abstract
Tuberous sclerosis is a rare autosomal dominant disorder that occurs in approximately 1 : 10 000 births with the most common site of manifestation in the fetal heart. This is a 38 year old G3 T1 A1 L1 patient. The mother has a history of secundum ASD and MVP. The father of the fetus has a diagnosis of tuberous sclerosis, and is relatively asymptomatic from the disease. Amniocentesis for AMA revealed a normal karyotype. She had a detailed second trimester scan, including fetal echocardiography at 19 weeks of gestation which was within normal limits. On a routine followup fetal echo at 30 weeks of gestation, a large, mobile echogenic mass was seen in the left ventricular outflow tract below the valve annulus. This mass moved like a flap in accordance with the cardiac cycle. Pulse wave Doppler revealed greatly elevated LVOT blood flow velocity and color Doppler showed considerable turbulence consistent with partial LVOT obstruction. There was no evidence of cardiac failure. The pregnancy is ongoing. Cardiac rhabdomyomas are a common prenatal finding in fetuses affected by tuberous sclerosis. The absence of findings at 19 weeks, with subsequent appearance of a cardiac rhabdomyoma in a potentially critical location at 30 weeks underscores the need to perform serial antenatal fetal echocardiography on fetuses at risk of inheriting tuberous sclerosis.
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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 | 0.001 | 0.022 |
| 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 | 0.000 |
| 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".