Emani Ajay, Yadav Ramakant, Kirar Roopesh, Mohan Midhun
Neurology, Uttar Pradesh University of Medical Sciences, Saifai, IND.
Cureus. 2025 Jun 14;17(6):e86009. doi: 10.7759/cureus.86009. eCollection 2025 Jun.
Hypereosinophilic syndrome (HES) is a rare group of disorders characterized by elevated eosinophil levels, leading to tissue infiltration and damage. Neurological complications are observed in over half of the patients. This case study discusses a 45-year-old male patient diagnosed with HES and rapidly progressive dementia. The patient presented with difficulties in routine tasks, attention deficits, memory loss, and frontal headaches lasting one year. His medical history included allergic rhinitis and eczematoid skin lesions. General and neurological examinations revealed deficits in higher mental functions without other abnormalities. Laboratory tests showed significant eosinophilia, and magnetic resonance imaging (MRI) of the brain indicated diffuse cortical atrophy and periventricular hyperintensities. The diagnosis of HES was supported by clinical and laboratory findings. The case highlights the importance of considering HES in patients with unexplained neurological symptoms and eosinophilia to prevent irreversible organ damage. Early recognition and appropriate management are crucial for improving patient outcomes. This study underscores the need for further research to understand HES's pathophysiology and develop targeted therapies.
高嗜酸性粒细胞综合征（HES）是一组罕见的疾病，其特征是嗜酸性粒细胞水平升高，导致组织浸润和损伤。超过半数的患者会出现神经并发症。本病例研究讨论了一名45岁的男性患者，他被诊断为HES并患有快速进展性痴呆。该患者在日常任务中存在困难、注意力缺陷、记忆力减退以及持续一年的前额头痛。他的病史包括过敏性鼻炎和湿疹样皮肤病变。全身和神经系统检查显示高级精神功能存在缺陷，无其他异常。实验室检查显示明显的嗜酸性粒细胞增多，脑部磁共振成像（MRI）显示弥漫性皮质萎缩和脑室周围高信号。临床和实验室检查结果支持HES的诊断。该病例强调了在有不明原因神经症状和嗜酸性粒细胞增多的患者中考虑HES的重要性，以防止不可逆的器官损伤。早期识别和适当管理对于改善患者预后至关重要。本研究强调需要进一步研究以了解HES的病理生理学并开发针对性治疗方法。
