Abstract
报道1例食管黏膜下腺导管腺瘤。肿瘤发生在食管-胃连接部，位于黏膜下层。组织学形态表现为含双层上皮细胞的导管，呈腺丛状、囊状分布。导管上皮细胞增生成多层，形成乳头状、微腺体状结构。瘤细胞温和/或轻度异型，未见核分裂象。间质内淋巴组织丰富，见淋巴滤泡形成。病理医师可能认识不足，容易漏诊、误诊。.
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