Lumbosacral plexopathy after short-course neoadjuvant radiotherapy for rectal cancer: A case report
Bibliographic record
Abstract
ABSTRACT: Radiation-induced lumbosacral plexopathy (RILSP) is a rare complication associated with pelvic radiotherapy. Literature is scant about the incidence of RILSP after a neoadjuvant short-course radiotherapy (RT) in rectal cancer. In this report, we detail the symptoms, signs, and management of RILSP. Volumetric modulated arc therapy was used for delivering preoperative short-course RT in our rectal cancer patient. Six months after the completion of RT, the patient presented with symptoms of lower extremity motor and sensory impairment. An electrodiagnostic study revealed a pattern of bilateral sciatic nerve injury or a lower lumbosacral plexus abnormality. Magnetic resonance imaging showed radiation-related edema in the region of the lumbosacral plexus. Further blood and serum investigations ruled out other inflammatory and infectious differential diagnoses, thus a diagnosis of RILSP was made. He was initiated on analgesics and was also referred to physiotherapy and rehabilitation. After 2 months, his symptoms stabilized.
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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) | 0.000 | 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".