Hypereosinophilic syndrome, chronic eosinophilic leukemia, and mast cell disease

被引:2
|
作者
Pardanani, Animesh
Verstovsek, Srdan
机构
[1] Mayo Clin, Div Hematol, Rochester, MN 55905 USA
[2] Univ Texas Houston, MD Anderson Canc Ctr, Houston, TX 77030 USA
来源
CANCER JOURNAL | 2007年 / 13卷 / 06期
关键词
mastocytosis; eosinophilia; myeloproliferative disorders;
D O I
10.1097/PPO.0b013e31815a9618
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Hypereosinophilic syndrome (HES), chronic eosinophilic leukemia (CEL), and mast cell disease (MCD) are all considered myeloproliferative neoplasms, and diagnosis in each instance requires bone marrow examination with cytogenetic and molecular studies. HES should be distinguished from both molecularly defined and otherwise uncategorized CEL. The genes that are mutated in molecularly defined CEL include those that encode for platelet-derived growth factor receptors A and B and for fibroblast growth factor receptor 1. Diagnosis of MCD is facilitated by tryptase immunostaining and immunophenotyping to detect abnormal CD25-positive mast cells. Mutation screening for KITD816V is also advised but is not essential for the diagnosis of MCD. Asymptomatic patients with HES and no evidence of organ damage do not necessarily require immediate therapy. The same is true for patients with indolent MCD. At present, effective cytoreductive drugs for HES include corticosteroids, interferon-alpha (IFN-alpha), and hydroxyurea, imatinib for platelet-derived growth factor receptor A or B-rearranged CEL imatinib, and for MCD IFN-alpha and cladribine. In addition, a number of new drugs are currently being tested for their safety and efficacy in all 3 disorders.
引用
收藏
页码:384 / 391
页数:8
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