Lymphatic Function Is Impaired Following Irradiation of a Single Lymph Node
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
INTRODUCTION: Lymph nodes are often the target of radiotherapy procedures. Unfortunately, the impact of nodal irradiation on lymphatic function is uncertain. In this study, our aim was to quantify the impact of lymph node irradiation on lymph flow. METHODS AND RESULTS: The popliteal node or the nodal excision site of rabbits was treated with four daily 8 Gy doses of radiation. A FITC-dextran tracer was infused into a prenodal popliteal lymphatic. The area under the tracer blood recovery curve (AUC) indicated lymphatic functionality and the inflow pressure versus flow rate relationship inferred resistance through the system. Fluoroscopic and histological examination provided supporting data. Radiation of intact nodes decreased lymph transport significantly at 1 week, 1 month, and 6 months post-treatment (AUCs of 207.9 ± 79.87, 191.6 ± 62.95, and 250.44 ± 46.45) in comparison to controls (667.32 ± 104.18). Surprisingly, this functional decline was similar to that detected with a combination of node removal and irradiation of the excision site. The pressure-flow relationships in all treatment groups were significantly different from controls. This may be due in part to fibrosis and the thickening of the nodal capsules and trabeculae observed at 1 and 6 months. Fluoroscopy and Evans blue dye studies revealed vigorous new lymphatic vessel growth and occasionally, vessels anastomosed with local veins. CONCLUSIONS: Irradiation of the popliteal lymph node impaired lymph transport and increased the pressure required to maintain flow through the system. New vessel formation and the growth of lymph-venous anastomoses indicated the development of alternative drainage pathways as a compensatory response.
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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 | 0.000 |
| 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 | 0.000 |
| 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 it