Histiocytic sarcoma in a flat‐coated retriever with central and peripheral nervous system sarcomatosis
Bibliographic record
Abstract
A six‐year‐old male, neutered, flat‐coated retriever presented with a suspicion of localised histiocytic sarcoma (HS) in the right axillary region, fine needle aspirate was suggestive of HS. The dog was prescribed four doses of radiotherapy (4×850 cGy). At the first treatment tru‐cut biopsies of the mass were taken, and histopathology was consistent with the cytological diagnosis. At the third treatment, the dog developed five cutaneous nodules, and microscopy confirmed HS. Seven weeks after radiotherapy, the patient presented with severe progressive hind limb ataxia and a flaccid tail. Due to the severity of clinical signs, euthanasia was performed. Postmortem examination revealed neoplastic cells within the right axillary mass, liver, kidney, adrenal gland and diffusely infiltrating the brain, lumbar spinal cord, cauda equina and spinal nerves, consistent with metastatic HS. This case is unusual in the diffuse and infiltrative dissemination of the tumour throughout the CNS and nerve roots.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.003 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".