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Intestinal NK/T cell lymphoma: A case report 被引量:1

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摘要 BACKGROUND The incidence of intestinal NK/T cell lymphoma(NKTCL)is extremely low,and the clinical symptoms are atypical,which makes it difficult to distinguish this disorder from Crohn's disease(CD),T lymphocyte proliferative disease,and other immune disorders.The misdiagnosis rate is high,and the patient's prognosis is poor.CASE SUMMARY In this case,the patient had repeated high fever,colonoscopy revealed multiple ulcers,and the initial diagnosis was CD.The patient’s condition did not improve after treatment with hormones and infliximab,and she eventually died.Positron emission tomographic-computed tomographic and B-ultrasound were performed in our hospital and showed that multiple lymph nodes were enlarged.Immunohistochemi-stry showed that CD3 and Epstein-Barr virus encoded RNA expression was positive.Colonoscopy,tissue biopsy,and histopathology showed intestinal focal mucosal infiltration of heterotypic lymphocytes with an abnormal immune phenotype.On the basis of the patient’s medical history,auxiliary examination,and pathological findings,digestive physicians and pathologists gave the diagnosis of NKTCL.CONCLUSION Clinicians need to improve their comprehensive knowledge of NKTCL,and combination of clinical symptoms,histological characteristics,as well as colonoscopy biopsies should be considered to improve the diagnosis and thereby reduce misdiagnosis.
作者 Hui Li Wen Lyu
出处 《World Journal of Gastroenterology》 SCIE CAS 2020年第27期3989-3997,共9页 世界胃肠病学杂志(英文版)
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