• 1. Jiamusi University, Jiamusi, Heilongjiang 154007, P. R. China;
  • 2. The First Affiliated Hospital of Jiamusi University, Jiamusi, Heilongjiang 154003, P. R. China;
WANG Fanbo, Email: wfanbo@jmsu.edu.cn
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Objective To elucidate the evaluation of vascular heterogeneity in papillary thyroid cancer (PTC) by contrast-enhanced ultrasound (CEUS) and its relationship with key prognostic indicators of PTC, aiming to provide theoretical support for precise preoperative assessment and individualized treatment of PTC. Method The recent advances in domestic and international research on the application of CEUS for evaluating vascular heterogeneity in PTC and its association with prognosis were reviewed. Results CEUS can effectively assess the vascular heterogeneity of PTC through microbubble contrast technology. Among the features, hypervascular characteristics (hyper- or iso-enhancement) are independently associated with gross extrathyroidal extension, clinically node-positive status, and structural recurrence, while hypovascular characteristics (hypo-enhancement) suggest a lower risk of invasiveness. Studies on molecular mechanisms indicate that the core drivers of vascular heterogeneity in PTC are the differential activation of metabolic pathways (such as oxidative phosphorylation and Hippo signaling pathway), rather than classical angiogenesis pathways (e.g., vascular endothelial growth factor). Furthermore, long noncoding RNAs may indirectly participate in this process by regulating metabolism-related genes. Conclusions As a non-invasive preoperative imaging tool, CEUS can effectively evaluate the vascular heterogeneity of PTC and hold marked potential in predicting PTC prognosis. In the future, through multicenter validation, technical optimization, and further mechanistic research, CEUS has the potential to be integrated into the precision diagnosis and treatment system for PTC, providing a critical basis for prognosis risk stratification and individualized interventions based on vascular characteristics.

Citation: SUN Xu, WU Jiahuan, LIU Xiatong, WANG Fanbo. Research advances in contrast-enhanced ultrasound characteristics of vascular heterogeneity and its molecular mechanisms in papillary thyroid cancer. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2026, 33(3): 398-405. doi: 10.7507/1007-9424.202510044 Copy

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