淋巴瘤的化疗效果较好,表现为肿瘤缩小、减少,甚至消失(图4-32)。部分脾肿瘤对化疗药物不敏感,化疗效果不满意,表现为肿瘤增大并出现远处转移(图4-33,图4-34)。
图4-32 脾淋巴肉瘤
A.化疗前,CT增强扫描门脉期轴位图,脾见类圆形肿块,边界清楚,强化密度不均匀;B.化疗4个疗程后复查,CT增强扫描门脉期轴位图,原脾脏肿块消失
图4-33 结肠癌脾转移
A.化疗前,CT增强扫描门脉期轴位图,脾内见低密度小结节;B.化疗6个疗程后复查,CT增强扫描门脉期轴位图,脾内小结节明显增大
图4-34 脾淋巴瘤
A.化疗前,CT增强扫描门脉期轴位图,脾实质内见多发大小不等结节,强化密度低于周围脾实质;B.化疗6个疗程后复查,CT增强扫描门脉期轴位图,脾实质内部分结节较前增大
(冯仕庭 黄斯韵)
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