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MULTIMODAL OCT CHARACTERIZATION OF HUMAN BREAST CANCER MORPHOLOGICAL TYPES: PRELIMINARY STUDY

机译:人乳癌形态学类型的多峰OCT表征:初步研究

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Introduction of innovative noninvasive diagnostic techniques in clinical practice remains an actual topic of modern medicine. In the study, we assessed feasibility of multimodal OCT (MM OCT) that combines cross-polarization imaging and elastographic stiffness mapping to assess spatial structural organization and heterogeneity of breast cancer in the tumor center in comparison with normal mammary gland tissue. The research was carried out using human breast tissue mastectomy surgical samples including different histological types of breast cancer: ductal carcinoma in situ, invasive lobular and ductal carcinoma, fibroadenoma and normal tissue. The histological subtypes of breast cancer showed different structural and stiffness features of tumor tissue. In the case of invasive ductal carcinoma, the cross-polarization OCT image shows a more heterogeneous high-level OCT signal and higher stiffness in comparison with lobular breast cancer or fibroadenoma. These results indicate that assessing microstructures and elasticity changes yields complementary information about the microstructural features of breast cancer, which is important for selection of treatment tactics.
机译:在临床实践中引入创新的非侵入性诊断技术仍然是现代医学的一个实际主题。在这项研究中,我们评估了多模式OCT(MM OCT)的可行性,该技术结合了交叉极化成像和弹性成像刚度图,以评估与正常乳腺组织相比,肿瘤中心乳腺癌的空间结构组织和异质性。该研究使用人类乳腺组织乳房切除术外科手术样本进行,该样本包括不同组织学类型的乳腺癌:原位导管癌,浸润性小叶和导管癌,纤维腺瘤和正常组织。乳腺癌的组织学亚型表现出不同的肿瘤组织结构和刚度特征。对于浸润性导管癌,与小叶型乳腺癌或纤维腺瘤相比,交叉极化OCT图像显示出更高水平的OCT信号异质性和更高的硬度。这些结果表明,评估微结构和弹性变化会产生有关乳腺癌微结构特征的补充信息,这对于选择治疗策略很重要。

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