Primary Squamous Cell Lung Cancer With Frequent Episodes of Sustained Ventricular Tachycardia due to Myocardial Metastasis
Bibliographic record
Abstract
Myocardial metastasis from lung cancer rarely occurs. We encountered a patient with squamous cell lung cancer who was diagnosed with myocardial metastasis before death and sustained ventricular tachycardia during the course of the disease. The patient was a 56-year-old woman. A tumor was noted in the apex area of the left lung and was diagnosed as stage IVA of squamous cell lung cancer after a detailed examination. She underwent concurrent chemoradiotherapy with weekly treatment of carboplatin + paclitaxel. A 12-lead electrocardiogram performed upon admission for additional chemotherapy showed negative T waves in leads III, aVF, and V1-4. Transthoracic echocardiography and computed tomography showed a tumor lesion in the right ventricular wall, which was diagnosed as myocardial metastasis from lung cancer. During the course of the disease, the patient had frequent episodes of sustained ventricular tachycardia, which were refractory to treatment with antiarrhythmic drugs. However, the sinus rhythm was restored with cardioversion. Subsequently, the patient received palliative treatment and eventually died 4 months after the diagnosis of cardiac metastasis and 3 weeks after the diagnosis of ventricular tachycardia. Myocardial metastasis might reflect poor prognosis due to serious arrhythmia or some other complications. Therefore, the early diagnosis and appropriate treatment of cardiac metastasis by chemotherapy, cardiac radiotherapy, or surgery, are necessary prior to the development of symptoms in tolerant cases.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| 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 | 0.000 |
| 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".