腹腔弥漫性胃肠外间质瘤一例
Chinese Journal of Radiology(2016)
Abstract
患者女,46岁。乏力伴全腹胀痛不适3个月,加重1个月。体检:腹部膨隆,自剑突至盆腔触及一巨大肿块,质地中等,位置固定,边界不清,双下肢水肿。血常规及血液生化检查未见明显异常。行全腹CT平扫+增强扫描,平扫示腹腔内弥漫团块状软组织密度影,邻近肠管结构受压改变(图1)。增强扫描肿块轻度延迟强化,肿瘤内可见斑片状无强化坏死区(图2~4),冠状面、矢状面像示肿块上达肝下缘,下至盆腔(图5,6)。行腹腔肿物穿刺活检,术后病理(腹腔穿刺组织)结果提示胃肠间质瘤。给予格列卫药物治疗2个月,腹部胀痛症状好转。复查CT平扫示腹腔内弥漫软组织肿块影较前明显缩小,局部密度欠均匀(图7)。
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