Conventional CT is an important imaging modality for the evaluation of lung cancer,but it has a single imaging modality.At present,multiparametric imaging techniques of spectral CT(such as virtual monoenergetic imaging,spectral attenuation curves,material decomposition images and material effective atomic number)are valuable in improving the detection rate of lesions,differentiating benign and malignant of lung nodes,assessing lymph node metastasis,pathological staging,efficacy and prognosis of lung cancer.Here,this article summarizes and reviews spectral CT imaging methods and the results of studies related to the above four techniques in lung cancer.
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