Hypereosinophilic syndrome with central nervous system involvement: Two case reports and literature review. 2017

Hao Chen, and Hafiz Khuram Raza, and Jia Jing, and Dayong Shen, and Peng Xu, and Su Zhou, and Jie Zu, and Xinxin Yang, and Wei Zhang, and Shenyang Zhang, and Fang Hua, and Guiyun Cui
a Department of Neurology , The Affiliated Hospital of Xuzhou Medical University , Xuzhou , China.

OBJECTIVE To report two cases of hypereosinophilic syndrome (HES) with central nervous system involvement and explore its possible pathogenesis. METHODS We have analysed the clinical data and relevant features of two patients who presented themselves to The Affiliated Hospital of Xuzhou Medical University between 2012 and 2015. We have reviewed the relevant literature, elaborated the possible pathogenesis, and discussed the treatment options. RESULTS Both patients had consistently high levels of absolute eosinophil count which led to multiple cerebral infarcts in the arterial border zone and small-vessel disease. Blood tests were taken several times during their course of disease showing elevated eosinophils. Both patients underwent head computed tomography (CT), magnetic resonance imaging, and magnetic resonance angiography, which indicated small-vessel disease and watershed infarction. Glucocorticoids, improvement cycle, and neuro-nutrition treatments resulted in a significant improvement of their clinical state. CONCLUSIONS HES can involve central nervous system by causing small-vessel disease and watershed infarction, which can be its presenting features. Repeated blood tests should be done to rule out HES in central nervous system lesion.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002490 Central Nervous System The main information-processing organs of the nervous system, consisting of the brain, spinal cord, and meninges. Cerebrospinal Axis,Axi, Cerebrospinal,Axis, Cerebrospinal,Central Nervous Systems,Cerebrospinal Axi,Nervous System, Central,Nervous Systems, Central,Systems, Central Nervous
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D014057 Tomography, X-Ray Computed Tomography using x-ray transmission and a computer algorithm to reconstruct the image. CAT Scan, X-Ray,CT Scan, X-Ray,Cine-CT,Computerized Tomography, X-Ray,Electron Beam Computed Tomography,Tomodensitometry,Tomography, Transmission Computed,X-Ray Tomography, Computed,CAT Scan, X Ray,CT X Ray,Computed Tomography, X-Ray,Computed X Ray Tomography,Computerized Tomography, X Ray,Electron Beam Tomography,Tomography, X Ray Computed,Tomography, X-Ray Computer Assisted,Tomography, X-Ray Computerized,Tomography, X-Ray Computerized Axial,Tomography, Xray Computed,X Ray Computerized Tomography,X Ray Tomography, Computed,X-Ray Computer Assisted Tomography,X-Ray Computerized Axial Tomography,Beam Tomography, Electron,CAT Scans, X-Ray,CT Scan, X Ray,CT Scans, X-Ray,CT X Rays,Cine CT,Computed Tomography, Transmission,Computed Tomography, X Ray,Computed Tomography, Xray,Computed X-Ray Tomography,Scan, X-Ray CAT,Scan, X-Ray CT,Scans, X-Ray CAT,Scans, X-Ray CT,Tomographies, Computed X-Ray,Tomography, Computed X-Ray,Tomography, Electron Beam,Tomography, X Ray Computer Assisted,Tomography, X Ray Computerized,Tomography, X Ray Computerized Axial,Transmission Computed Tomography,X Ray Computer Assisted Tomography,X Ray Computerized Axial Tomography,X Ray, CT,X Rays, CT,X-Ray CAT Scan,X-Ray CAT Scans,X-Ray CT Scan,X-Ray CT Scans,X-Ray Computed Tomography,X-Ray Computerized Tomography,Xray Computed Tomography
D017681 Hypereosinophilic Syndrome A heterogeneous group of disorders with the common feature of prolonged eosinophilia of unknown cause and associated organ system dysfunction, including the heart, central nervous system, kidneys, lungs, gastrointestinal tract, and skin. There is a massive increase in the number of EOSINOPHILS in the blood, mimicking leukemia, and extensive eosinophilic infiltration of the various organs. Endocarditis, Loeffler's,Idiopathic Hypereosinophilic Syndrome,Leukemia, Eosinophilic,Loeffler's Endocarditis,Endocarditis, Loeffler,Hypereosinophilic Syndrome, Idiopathic,Loeffler Endocarditis,Endocarditis, Loefflers,Eosinophilic Leukemia,Eosinophilic Leukemias,Hypereosinophilic Syndromes,Hypereosinophilic Syndromes, Idiopathic,Idiopathic Hypereosinophilic Syndromes,Leukemias, Eosinophilic,Loefflers Endocarditis,Syndrome, Hypereosinophilic,Syndrome, Idiopathic Hypereosinophilic,Syndromes, Hypereosinophilic,Syndromes, Idiopathic Hypereosinophilic
D018810 Magnetic Resonance Angiography Non-invasive method of vascular imaging and determination of internal anatomy without injection of contrast media or radiation exposure. The technique is used especially in CEREBRAL ANGIOGRAPHY as well as for studies of other vascular structures. Angiography, Magnetic Resonance,MRI Angiography,Perfusion Magnetic Resonance Imaging,Perfusion Weighted MRI,Angiographies, MRI,Angiographies, Magnetic Resonance,Angiography, MRI,MRI Angiographies,MRI, Perfusion Weighted,Magnetic Resonance Angiographies

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