About 7-13% thyroid cancer patients have superior mediastinal lymph node metastasis, but its clinical identification is insufficient. Effective and individualized identification strategy need to be studied. Multiphoton imaging can accurately detect extracellular matrix collagen fibers by femtosecond laser. Quantitative features such as morphology and texture features extracted from the multiphoton images, can be used to predict lymph node metastasis of gastrointestinal cancer. Therefore, the investigators speculate that the characteristics of tumor microenvironment (TME) collagen based on multiphoton imaging may be used to predict superior mediastinal lymph node metastasis in thyroid cancer. The aim of this study is to investigate whether the TME collagen signature could predict superior mediastinal lymph nodes metastasis in thyroid cancer. The exposure of this observational cohort study is high TME collagen signature. The main measurement was the area under the receiver operating characteristic (AUROC) curves of collagen signature for predicting superior mediastinal lymph node metastasis.
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Metastasis status of superior mediastinal lymph nodes
Timeframe: A week after operation generally