A rare case of blastic plasmacytoid dendritic cell neoplasm with deletion 7q.31, in the setting of heavy pre-treatment with alkylating chemotherapy
Bibliographic record
Abstract
Blastic plasmacytoid dendritic cell neoplasm is rare myeloid malignancy clinically characterized by non-pruritic, violaceous and papulo-nodular skin lesions, together with bone marrow and lymph node involvement. Histologically, there is infiltration of dermis by neoplastic mono-nuclear CD4, CD56, CD123 co-expressing cells with epidermal sparing. Most commonly blastic plasmacytoid dendritic cell neoplasm presents as a de-novo condition, and treatment-related blastic plasmacytoid dendritic cell neoplasm is a rare phenomenon. Due to rarity of the disease, there is no established standard of care treatment. Both acute myeloid leukemia and acute lymphoid leukemia type induction regimens have been used for treatment of blastic plasmacytoid dendritic cell neoplasm, with initial response rate of 50%-80%. We present a rare case of therapy-associated blastic plasmacytoid dendritic cell neoplasm in a patient with remote history alkylating agent systemic therapy. A lag period of five to seven years and presence of deletion 7q.31 seen in bone marrow biopsy specimen in our patient are consistent with a likely therapy-associated etiology of his blastic plasmacytoid dendritic cell neoplasm.
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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 | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".