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肺乳头状腺瘤1例

Chinese Journal of Medical Imaging Technology(2020)

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Abstract
患者女,36岁,因“无明显诱因咳嗽1月余,不伴咳痰,偶有胸闷、气短症状”入院.患者1周前于外院接受对症治疗后干咳有好转,外院胸部CT检查提示左肺上叶占位性病变.入院查体及实验室检查未见异常.胸部CT:平扫肺窗示左肺上叶舌段高密度结节影,大小约1.9 cm×1.5 cm×1.3 cm,边缘光整,无分叶及毛刺,近边缘可见条带状气体密度影(图1A),纵隔窗示结节密度均匀,CT值约15 HU(图1B);增强扫描静脉期结节呈轻度强化,CT值约31 HU(图1C).CT诊断:左肺上叶结节,多考虑良性肿瘤.行胸腔镜下肺楔形切除术,术中见肿瘤位于左肺上叶舌段,大小约2.0 cm×1.5 cm×1.3 cm,质硬,与局部胸膜无粘连.术后病理:镜下见瘤组织呈小乳头状排列,被覆柱状上皮细胞(图2);免疫组织化学染色:CKp(+)、Vim(+)、TTF-1(+)、CEA(-)、Syn(-),Ki-67(阳性细胞数2%).病理诊断:肺乳头状腺瘤.
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