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目的:探讨小儿嗜酸性肉芽肿的影像学表现。方法:回顾性分析12例经手术和病理证实为小儿嗜酸性肉芽肿患者的影像学表现。结果:12例患者共18个病灶所见具有类似肿瘤和炎症的双重特征,表现为圆形或类圆形、边界清楚或模糊的溶骨性骨质破坏,可伴有反应性骨硬化、骨膜反应及软组织肿块;MRI表现T1WI呈低信号或呈等低混杂信号,T2WI呈高信号。结论:小儿嗜酸性肉芽肿虽然有一定特征性,但影像学表现具有多样性和易变性,易导致误诊。
Objective: To investigate the imaging manifestations of pediatric eosinophilic granuloma. Methods: The imaging findings of 12 patients with eosinophilic granuloma confirmed by surgery and pathology were analyzed retrospectively. Results: A total of 18 lesions in 12 patients showed the similar features of both tumor and inflammation, which were round or oval, clear or vague osteolytic bone destruction, which could be associated with reactive osteosclerosis, periosteum Response and soft tissue mass; T1WI MRI showed low signal or mixed signal was low, T2WI showed high signal. Conclusion: Pediatric eosinophilic granulomas have some characteristics, but the imaging findings are diverse and volatile, which may lead to misdiagnosis.