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腮腺区骨化性纤维瘤1例

Journal of Medical Imaging(2020)

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Abstract
患者女,8岁.右侧面颊部肿痛1+月入院.1+月前感右侧面颊部肿胀伴疼痛,经输液及口服抗生素抗炎治疗,症状稍好转.3天前,病情复发并加重而来院就诊.专科检查:右侧面颊部可扪及一肿物,上至眼裂,下至下颌角,前界至颧骨下方,后界至耳屏前,质硬,不活动,边界不清,表面皮肤红肿、热、痛明显.否认外伤及结核病史.CT扫描:右侧腮腺区肿胀,密度降低,与咬肌及周围软组织分界不清,内见大小约2.0cm×1.7cm×2.0cm软组织密度结节,CT值55HU,其内见散在点状、边缘蛋壳样骨化,增强扫描动脉期明显环形强化,CT值约119HU,由右侧上颌动脉分支供血.静脉期呈持续性强化,中心区域呈轻度强化,邻近下颌支外缘骨皮质反应性增生(图1~4).双侧颈动脉鞘及颌下多发小淋巴结显示.
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