Rapid Growing Intramuscular Myxoma Mimicking a Peripheral Nerve Sheath Tumor
Bibliographic record
Abstract
We present a rare case of rapid growing intramuscular myxoma mimicking a peripheral nerve sheath tumor (PNST). During diagnostic investigations for abdominal pain in a 65-year-old female patient a 5.5 cm diameter tumor in the left buttock was found incidentally. The tumor was septated and hyperintense in the T2-weighted images in the left gluteal region, adjacent to the sciatic nerve, presumed to be a PNST. The follow up images four months later showed marked gain of the tumor size. The tumor has been resected completely and histopathological examination revealed the diagnosis of an intramuscular myxoma. As an uncommon benign tumor, intramuscular myxoma presented very suspiciously for a PNST because of direct adjacency to the sciatic nerve with an increased growth tendency. Despite the benign entity of intramuscular myxoma surgical treatment was indicated because of the rapid growth and unclear circumstances with the possibility of malignant behavior. J Neurol Res. 2011;1(2):69-70 doi: https://doi.org/10.4021/jnr22w
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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 | 0.000 |
| 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 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".