CAJ | 학술논문

目的探讨内镜超声(EUS)对胃异位胰腺的诊断价值.方法回顾性分析23例病理诊断胃异位胰腺的EUS特征,主要指标包括病变起源层次、内部回声特征、边缘、边界、长短轴比例、病变处固有肌层厚度等.结果 23例患者中超声内镜诊断符合率91%(21/23).EUS下异位胰腺可起源于胃壁的第二、第三或第四层(5层结构),其中起源于第三层者最多见(15/23,65%).病变多呈中等不均匀回声,内部有管道样结构或无回声区者占43%(10/23),边界不清者占70%(16/23).异位胰腺平均长短轴比例 1.7;病变起源于第二和(或)第三层的病变,局部固有肌层较周围增厚者占71%(12/17).结论 EUS对胃异位胰腺的诊断正确性较高.典型的胃异位胰腺EUS特征包括:壁内侧向生长,黏膜下层起源,边界不规则、不清,中等不均匀回声,内部有无回声区,固有肌层增厚.
목적 탐토내경초성(EUS)대위이위이선적진단개치.방법 회고성분석23례병리진단위이위이선적EUS특정,주요지표포괄병변기원층차、내부회성특정、변연、변계、장단축비례、병변처고유기층후도등.결과 23례환자중초성내경진단부합솔91%(21/23).EUS하이위이선가기원우위벽적제이、제삼혹제사층(5층결구),기중기원우제삼층자최다견(15/23,65%).병변다정중등불균균회성,내부유관도양결구혹무회성구자점43%(10/23),변계불청자점70%(16/23).이위이선평균장단축비례 1.7;병변기원우제이화(혹)제삼층적병변,국부고유기층교주위증후자점71%(12/17).결론 EUS대위이위이선적진단정학성교고.전형적위이위이선EUS특정포괄:벽내측향생장,점막하층기원,변계불규칙、불청,중등불균균회성,내부유무회성구,고유기층증후.
Objective To describe the characteristic endoscopic ultrasonography (EUS) features of gastric ectopic pancreas.Methods Totally 23 patients were diagnosed pathologically as having gastric ectopic pancreas.The EUS images of the lesions were retrospectively reviewed regarding layer of origin,size,growth pattern,margin,and internal echo pattern.Results The coincidence of EUS and pathologic diagnosis was 91%(21/23).EUS revealed that the lesions originated from the second,third,and/or fourth layers of the gastric wall.Most lesions were heterogenous,mainly isoechoic.The borders of the lesions were indistinct in 70%(16/23) patients. Anechoic cystic or tubular structures within the lesions appeared in 10 of the 23 lesions(43%).The mean longest/shortest diameter ratio of ectopic pancreas was 1.7.Conclusions Characteristic EUS features of gastric ectopic pancreases include:mural lateral growth pattern,third layer (submucosa) origin,indistinct margin,intermediate echogenecity,anechoic areas,and fourth-layer thickening.Careful assessment of the EUS findings may be a useful aid in the diagnosis of gastric ectopic pancreas.