肋骨嗜酸性肉芽肿的X线及CT表现

X-ray and CT findings of costal eosinophilic granuloma

目的 分析肋骨嗜酸性肉芽肿的X线及CT表现,提高对该病的诊断水平.方法 回顾性分析8例肋骨嗜酸性肉芽肿的临床资料,所有患者均经穿刺活榆或手术切除后病理证实.全部患者均行X线平片检查;6例行螺旋CT平扫,其中1例行CT增强扫描.结果 8例肋骨嗜酸性肉芽肿均为单发;6例发生于前肋,2例发生于后肋;X线均表现为单房类圆形骨质破坏,境界较清楚.CT扫描表现：5例呈膨胀性骨质破坏,骨皮质变薄,3例呈溶骨件骨质破坏,病灶周围形成软组织肿块;1例行CT增强扫描,病灶呈中度较均匀强化.结论 肋骨嗜酸性肉芽肿的X线平片和CT表现有一定的特征性.

Objective To study the X-ray and CT features of costal eosinophilic granuloma for a better understanding.Methods Eight patients with costal eosinophilic granuloma proved by surgery or biopsy were analyzed retrospectively.All patients had X-ray plain film, 6 patients had CT examination,including a case of enhanced CT scan.Results All 8 lesions were solitary.Six lesions were in the anterior rib and 2 in the posterior rib.On X-ray, all case showed single cavity and oval lesion with clear boundary.On CT images, 5 lesions demonstrated expansile destruction of bone with cortical bone thinning, and 3 were osteolystic destruction with soft tissue mass around.On the patient with enhanced CT scan, the lesions showed a moderate and uniform enhancement.Conclusion The X-ray and CT findings of costal eosinophilic granuloma are characteristic.