超声漏诊甲状舌管乳头状癌1例

Chinese Journal of Medical Imaging Technology(2018)

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Abstract
患者女,45岁,因“颈部正中上方隆起3个月,随吞咽动作上下移动,左右活动度差”就诊.超声:甲状腺上方可见约25 mm×19 mm混合回声肿块,呈规则的类椭圆形,内部以无回声为主,可见实性低回声区约14 mm×8 mm,其内可见多个点状强回声,包膜完整,后方回声增强(图1A),甲状腺及颈部淋巴结未见异常;CDFI示肿块内实性回声区可见少许血流信号(图1B).超声提示:甲状腺上方混合性占位病变,考虑甲状舌管囊肿可能.于全身麻醉下行甲状舌管囊肿Sistrunk切除术.术后病理:甲状舌管35 mm×20 mm×20 mm结节,切面呈囊性,内含灰黄清亮液体,壁光滑,内见10 mm×7 mm×7 mm乳头状突起;镜下囊壁间见甲状腺组织,部分呈乳头状生长,细胞核增大呈毛玻璃样,可见核内包涵体及核沟(图1C).病理诊断为甲状舌管乳头状癌.
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