Complications at Diagnosis of Pediatric Chronic Myeloid Leukemia in Chronic Phase
Bibliographic record
Abstract
Chronic myeloid leukemia (CML) is uncommon during the first two decades of life, resulting in limited experience of pediatricians in handling this leukemia. This is even more true when it comes to managing rare complications at the time of diagnosis. Most pediatric patients will present with CML in chronic phase, however, with massive hyperleukocytosis. Although rare, issues such as leukostasis, thrombocytosis, and splenomegaly-or a combination of these-may necessitate urgent, life- and organ-saving interventions. Leukostasis typically blocks the small vessels of cerebral, pulmonary, cardiac, retinal, acoustical, osseous, renal, digital, and penile (in males) microvasculature. Combining chemotherapy with leukapheresis or exchange transfusion is required in selected cases. Despite thrombocytosis, no thrombotic complications were observed in pediatric CML, but bleeding signs were observed. These comprised intracerebral hemorrhage, soft tissue bruising, epistaxis, gingival bleeding, gastrointestinal or genitourinary bleeding, and menorrhagia, which may partly be explained by an acquired von Willebrand syndrome. The use of prophylactic low-dose acetylsalicylic acid in children with thrombocytosis cannot be routinely recommended. Splenomegaly may be complicated by splenic infarction, varying from asymptomatic infarction to hemorrhagic shock secondary to massive subcapsular hemorrhage with occasional splenic rupture. This overview explores potential organ-specific complications that may occur at presentation/diagnosis of CML-CP and outlines their management strategies.
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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) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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 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".