Primary Pulmonary Synovial Sarcoma: A Case with Unique and Impressive Computed Tomography Findings
Bibliographic record
Abstract
Primary pulmonary synovial sarcoma (PPSS) is a rare malignancy. Its etiology, imaging features and optimal treatment are not well understood. Pulmonary pseudoaneurysms and lymphadenopathy are rare complications of synovial sarcomas. A 40-year-old woman with mild hemoptysis and thoracic back pain underwent a computed tomography scan that revealed multiple pulmonary lesions, paraesophageal lymphadenopathy and incidental bilateral pulmonary emboli. A diagnosis of PPSS was made through the identification of an SS18 translocation by fluorescence in situ hybridization. She was started on adriamycin, ifosfamide and mesna chemotherapy. Over the subsequent two months, she developed three pulmonary artery pseudoaneurysms, ultimately requiring endovascular coiling. Seven months after starting treatment, the patient was asymptomatic. The lesions and lymphadenopathy decreased in size. The present case highlights complications of a rare malignancy and demonstrates positive response to ifosfamide-based chemotherapy in the setting of PPSS.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 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) | 0.000 | 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".