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绒毛状腺瘤恶变(低倍镜)


图示绒毛状腺瘤恶变的癌边缘。肿瘤腺体长并呈叶状,与绒毛状腺瘤所见相似。生长最初是外生性的(朝向腔内),不见浸润。肿瘤的分级和分期由外科病理学家检查肿瘤的多个组织部位而定。
The edge of the carcinoma arising in the villous adenoma is seen here. The neoplastic glands are long and frond-like, similar to those seen in a villous adenoma. The growth is primarily exophytic (outward into the lumen) and invasion is not seen at this point. Grading and staging of the tumor is done by the surgical pathologist who will examine multiple histologic sections of the tumor.

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