Limited-stage mantle cell lymphoma: treatment outcomes at the Princess Margaret Hospital
Bibliographic record
Abstract
Mantle-cell lymphoma (MCL) is a rare cancer, with the majority of patients (pts) presenting in stage III-IV and the outcomes are poor. To determine the curability of localized MCL, we examine stage I-II pts at our institution between 1990-2007. 26 pts with stage I (38%) and stage II (62%) were referred. Sites involved were head and neck in 73%. Five had a blastoid variant. Five patients were treated with palliative intent. Analysis was focused on pts treated with a curative intent (21 pts): 17 CT+RT, 2 RT, 2 CT followed by ASCT. 13 patients received CHOP, 5-RCHOP, 1-CVP; most received 6 cycles. The RT median dose was 35Gy and IFRT for the majority. For 21 pts treated with a curative intent, median follow up was 5.8 years. The overall response rate was 95%. Among the 19 CR/CRu pts, 9 relapsed for a 5-year relapse rate of 46%. Relapses were mainly observed at distant sites, 3 were in GI tract, 1 had both local and distant relapse. Median PFS and OS were 3.2 and 6.4 years, respectively. 5-year OS was 62%. In univariate analysis, blastoid variant and stage II were prognostic factors for PFS. Multivariate analysis could not be performed due to the small sample size. With a treatment approach using combined CT+RT for stage I-II MCL, local control was achieved in 94%. Systemic relapse remains a significant problem, especially for stage II and blastoid variant. Radiotherapy should remain part of curative treatment plan in stage I-II MCL.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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; both teacher heads agree on what is shown here.
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".