ArticleCureus2025
Pediatric Essential Thrombocythemia: A Case of a JAK2-Mutated Adolescent With Microvascular Symptoms.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Thrombocytosis, defined as platelet counts >450 × 10⁹/L, is frequent in the pediatric population and usually secondary to inflammatory conditions or iron deficiency. Essential thrombocythemia (ET), a Philadelphia chromosome-negative myeloproliferative neoplasm, is exceptionally rare in childhood. Pediatric ET often follows an indolent course but carries risks of thrombotic and hemorrhagic events, as well as late progression to myelofibrosis or leukemia. We report the case of a 14-year-old girl presenting with recurrent acral edema, erythema alternating with cyanosis, burning pain, paresthesia, and headaches. Physical examination was unremarkable. Initial suspicion of Raynaud's phenomenon was excluded by nailfold capillaroscopy. Laboratory studies revealed persistent thrombocytosis with platelets over 1,092 × 10⁹/L. Secondary causes were excluded. Bone marrow biopsy revealed megakaryocytic hyperplasia with hyperlobulated megakaryocytes, abdominal ultrasound revealed hepatosplenomegaly, and molecular testing identified a
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