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JCMR | AI结合放射组学 深圳先进院助力精准识别症状性基底动脉斑块

  • 2026-06-12 14:25:58
JCMR | AI结合放射组学 深圳先进院助力精准识别症状性基底动脉斑块

缺血性脑卒中是全球范围内导致死亡和残疾的主要原因之一,颅内动脉粥样硬化性疾病是其重要的致病因素。其中,基底动脉斑块因与后循环缺血事件及高复发风险密切相关,成为临床关注的重点。然而,如何准确、高效地识别“症状性”斑块,仍是当前影像学的一大挑战。

近日,中国科学院深圳先进技术研究院(以下简称“深圳先进院”)医学成像科学与技术系统全国重点实验室、生物医学与健康工程研究所张娜研究员,联合南京医科大学第一附属医院鲁珊珊教授团队,提出了一种融合自动分割、放射组学与表格基础模型(TabPFN)的分析框架,为症状性基底动脉斑块的识别提供了全新的智能化解决方案。研究成果以“A Radiomics-Based Approach with Automated Segmentation for Identifying Symptomatic Basilar Artery Plaques in Acute Stroke”为题发表于期刊Journal of Cardiovascular Magnetic Resonance

图1:文章上线截图

该研究利用高分辨率磁共振血管壁成像数据,整合多项先进技术,构建了从分割到识别的全流程自动化分析框架。研究团队采用前期自主研发的Vessel-SegNet模型实现基底动脉血管壁的自动分割,结合多序列放射组学特征提取方法,并依托专为小样本医学数据设计的Transformer架构表格基础模型TabPFN,最终建立了症状性基底动脉斑块的智能识别模型。经独立测试集验证,融合平扫与增强影像的放射组学模型(AUC0.887)显著优于传统形态学特征模型(AUC0.784)。

图2:提出方法的总体技术路线图

该研究所构建的自动化、可复现、可扩展的分析流程,在临床转化方面展现出多重价值:

  • 自动分割与定量分析显著减少了人工判读的主观性与时间成本,提升了一致性与效率;

  • 放射组学特征能够捕捉肉眼难以识别的斑块微观结构异质性,有助于更早期、更准确地识别高风险病变;

  • 标准化的处理流程便于在多中心、不同影像设备间推广,为后循环动脉粥样硬化患者的风险分层、个体化二级预防决策提供了客观的影像学依据。

深圳先进院硕士研究生陈洁和博士研究生杨龙、南京医科大学第一附属医院硕士研究生何雯雯为论文共同第一作者,张娜研究员与鲁珊珊教授为论文的共同通讯作者。该研究得到了国家重点研发计划、国家自然科学基金、广东省基础与应用基础研究基金、深圳市磁共振成像重点实验室等项目的资助。

推荐阅读

来源|医工所

责编|余  融

审校|余  融、赵梓杉、冯  春

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  1. CONNECT:[ UseTime:0.000384s ] mysql:host=127.0.0.1;port=3306;dbname=c460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000563s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000284s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002385s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000567s ]
  6. SELECT * FROM `set` [ RunTime:0.007770s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000620s ]
  8. SELECT * FROM `article` WHERE `id` = 609993 LIMIT 1 [ RunTime:0.003418s ]
  9. UPDATE `article` SET `lasttime` = 1782097876 WHERE `id` = 609993 [ RunTime:0.002536s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000783s ]
  11. SELECT * FROM `article` WHERE `id` < 609993 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001615s ]
  12. SELECT * FROM `article` WHERE `id` > 609993 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000472s ]
  13. SELECT * FROM `article` WHERE `id` < 609993 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.009139s ]
  14. SELECT * FROM `article` WHERE `id` < 609993 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.011773s ]
  15. SELECT * FROM `article` WHERE `id` < 609993 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.043795s ]
0.152852s