Sarcomatoid Variant of B-Cell Lymphoma of the Uterine Cervix
Bibliographic record
Abstract
Malignant lymphomas with a prominent spindle-cell or sarcomatoid pattern are unusual tumors typically of T- or null-cell phenotypes. We encountered a case of a 32-year-old woman who presented with a 3-week history of excessive menstrual bleeding, left lower-quadrant pain, and weight loss. A mass involving the uterine cervix and right parametrium was detected on pelvic examination and imaging studies. A diagnosis of diffuse large B-cell lymphoma with a spindle-cell pattern was made with immunohistochemical and gene rearrangement studies on endocervical curettage and parametrial core biopsy specimens. After chemotherapy and radiation therapy, the patient was in clinical and radiological remission 10 months after diagnosis. To our knowledge, this is the first sarcomatoid B-cell lymphoma presenting in the uterine cervix. Awareness of the spindle-cell pattern of diffuse large B-cell lymphoma and its possible presentation in extranodal sites such as the uterine cervix should prevent potential misdiagnosis.
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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 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 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".