Primary Hodgkin's disease of the CNS in an immunocompetent patient: Acase study and review of the literature
Bibliographic record
Abstract
Primary Hodgkin's disease limited to the CNS is exceedingly rare. Little is known regarding etiologic risk factors, optimal management, and prognosis. A case of Hodgkin's disease confined to the CNS, with cerebrospinal fluid negative for cytology, is described in an immunocompetent patient previously treated for hyperthyroidism with 131I. The patient underwent craniotomy, with resection of two lesions in close proximity within the parenchyma of the temporoparietal lobe. Histopathology revealed classic nodular sclerosing Hodgkin's disease, without evidence of Epstein-Barr viral infection. Treatment included radiation to the whole brain with a boost to the tumor bed. The patient made a full neurologic recovery and remains free of disease recurrence 21 months after treatment. A literature review has identified only 9 additional cases. Seven of 8 evaluable patients remain alive and free of recurrence with a median follow-up of 13 months. The risk factors for this presentation remain undefined. Although follow-up is short, radiotherapy alone appears to provide excellent disease-free survival. Chemotherapy may be reserved for patients with positive cerebrospinal fluid, extracranial disease, or subsequent relapse.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.005 | 0.003 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.000 |
| 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".