"Atypical hyperplasia" 是一种乳腺组织的非典型增生，通常发生在乳腺导管或腺体中。它是一种癌前病变，但并不一定发展为癌症。在医学文献和临床报告中，常常会看到这个词。以下是一篇关于乳腺导管内非典型增生的英文范文：
Title: Mammographic Findings and Atypical Hyperplasia in Breast Ducts
Introduction: Atypical hyperplasia, also known as atypical ductal hyperplasia (ADH), is a type of non-cancerous condition in which cells in the mammary ducts undergo an abnormal increase in size and proliferation. It is considered a precursor to breast cancer and can be detected through mammography.
Case Description: In this case, the patient presented with abnormal mammographic findings of multiple masses and microcalcifications in the breast ducts. Upon further examination, atypical hyperplasia was diagnosed.
Pathological Examination: The pathological examination of the tissue samples confirmed the presence of atypical hyperplasia, characterized by an increase in the number of cells with abnormal nuclear features, including enlarged, irregular shapes and increased mitotic activity.
Treatment and Outcome: The patient underwent surgical removal of the affected area, which was subsequently confirmed to be free of cancer cells. The patient remains disease-free at the time of this report, with regular follow-up exams to monitor for recurrence.
Conclusion: Atypical hyperplasia is a precursor to breast cancer that can be detected through mammography. Treatment options include surgical removal of the affected area, which can be curative in most cases. Regular follow-up exams are necessary to monitor for recurrence.
请注意，以上内容只是为了示例，并不代表任何特定的医学意见或建议。在任何情况下，您都应咨询专业医疗人员的意见。
Atypical hyperplasia（非典型增生）是一种在乳腺、子宫内膜、消化道等组织中的病理变化，表现为细胞数量和（或）细胞形态的异常增殖。它是一种癌前病变，但并非所有非典型增生都会发展为癌症，部分病例可发展为浸润性癌。
在英文范文当中，非典型增生可能出现在讨论乳腺、子宫内膜等组织的病理学报告中，或者在讨论消化道等其他组织的研究报告中。它通常被描述为细胞数量和（或）细胞形态的异常增殖，与正常组织相比，非典型增生的细胞往往具有异型性，但这种异型性并不像浸润性癌那样显著。
请注意，以上内容仅供参考，具体信息建议咨询专业医生或相关领域专家。
“Atypical hyperplasia”是指一种乳腺组织的非典型增生，通常发生在乳腺导管系统中。它是一种癌前病变，表明存在一定的癌变风险。
在英文范文里，它可能出现在病理学、乳腺疾病、或者癌症研究的文献中。这种变化可能涉及到医学领域的最新研究进展，或者对现有疾病认识的更新和深化。
请注意，以上解释和描述仅供参考，具体含义需要结合具体的语境和资料。