Background/Objectives: Histopathologic grading of cervical biopsies is subject to interobserver variability, particularly at the CIN2+ treatment threshold. We evaluated a deep learning system (EagleEye) for detecting CIN2+ (CIN2, CIN3, ACIS, invasive carcinoma) on hematoxylin–eosin (H&E) whole-slide images (WSIs) and compared its performance with independent pathologists, including an AI-assisted workflow. Spatial correspondence with p16 staining was preliminarily assessed.Methods: Ninety-nine archived cervical punch biopsies from a single university hospital, originally diagnosed as Normal (n = 19), CIN1 (n = 20), CIN2 (n = 20), CIN3 (n = 20), or adenocarcinoma in situ (ACIS; n = 20), were digitized in a deliberately spectrum-balanced design. The original sign-out (P1), a second gynecologic pathologist (P2, microscope and digital), EagleEye alone (EE), and an AI-assisted read (EE + P2) served as diagnostic conditions. Outcomes were dichotomized as
背景/目的:宫颈活检的组织病理学分级存在观察者间差异,尤其在CIN2+的治疗阈值处。本研究评估了深度学习系统(EagleEye)在苏木精-伊红(H&E)全切片图像(WSIs)上检测CIN2+(包括CIN2、CIN3、原位腺癌及浸润性癌)的性能,并将其与独立病理医师(包括AI辅助工作流程)的诊断表现进行比较。同时初步评估了该系统与p16免疫组化染色的空间对应关系。
方法:从单一大学医院档案中选取99例宫颈穿刺活检样本,原始诊断涵盖正常组织(19例)、CIN1(20例)、CIN2(20例)、CIN3(20例)及原位腺癌(20例),采用光谱平衡设计进行数字化扫描。以原始签发诊断(P1)、第二位妇科病理医师(P2,分别通过显微镜和数字阅片)、单独EagleEye系统(EE)及AI辅助阅片(EE+P2)作为诊断条件。将诊断结果二分为<CIN2与CIN2+。在预设内部参考标准下,采用Cohen's κ系数及敏感性/特异性(95%置信区间)评估诊断一致性。在30例既往行p16染色的病例中,记录AI热图/分块与p16阳性上皮区域的可视化对应关系。
结果:P1与EagleEye诊断一致性中等(κ=0.67),而P2自身阅片方式间呈现高度内部一致性(κ=0.86),且与P1诊断一致性良好(κ=0.78)。以P1为参考标准时,EagleEye检测CIN2+的敏感性为93.3%,特异性为71.8%。当采用AI辅助共识诊断(EE+P2)作为增强型内部对照时,P1诊断的敏感性为83.8%,特异性达100%,表明人机协同工作流程能识别出被P1判读为<CIN2的额外CIN2+病例,尤其在CIN1/CIN2交界区域。在P1原始诊断为CIN3的病例亚组中,EagleEye标记出鳞状细胞癌(SCC);经专家复核(EE+P2)确认其中数例实为SCC。对于原位腺癌病例,EagleEye的诊断灵敏度低于病理医师,但经裁定后有所改善。在73.3%的评估病例中观察到p16染色与AI识别区域的空间对应率≥70%。
结论:在这项单中心光谱平衡队列研究中,EagleEye系统在人机协同工作流程中展现出较高的CIN2+检测敏感性,并与专家诊断具有实质性一致。其主要附加价值在于当提供AI辅助时,能实现治疗相关病变的内部病例发现,而最终诊断权仍归属于病理医师。
Digital Pathology with AI for Cervical Biopsies: Diagnostic Accuracy at the CIN2+ Threshold摘要翻译:
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