PET/MR in the Staging and Efficacy Evaluation of Newly Diagnosed NK/T-cell Lymphoma

This study intends to evaluate the application value of Positron Emission Tomography/Magnetic Resonance (PET/MR) in the staging and efficacy evaluation of NK/T cell lymphoma, aiming to explore a more accurate system for predicting the prognosis of patients and guiding the treatment.

Inclusion Criteria:Pathologically diagnosed NK/T-cell lymphoma based on the WHO classification 2016Age from 14 to 70 years-oldECOG 0-2 scorePatients with a life expectancy of at least 6 monthsPatient has not been treated before for NK/T cell lymphomaCommit to abide by the research procedures and cooperate with the implementation of the whole process of researchWritten informed consentExclusion Criteria:- Subjects who meet any of the following criteria are not eligible for study entryDiagnosed aggressive NK cell leukemiaPregnant or lactating womenLiver and kidney insufficiencyOther PET/MR contraindications:Those with implanted functional electronic devices such as cardiac pacemakersCarotid aneurysm clipping and other implants are ferromagnetic materialsImplanted perfusion devices such as insulin perfusion pumpsThose who do not cooperate in examinations such as coma, mental illness, and critically ill patientsThose who are claustrophobicOther concurrent and uncontrolled medical conditions that the investigator believes will affect the patient's participation in the study