CAJ | 학술논문

目的：探讨胰腺转移癌的超声造影表现特点。方法回顾性分析11例经病理或C T、M RI等增强影像学检查及临床综合诊断的胰腺转移癌病例，观察病变常规超声表现，超声造影增强与消退速度、强化程度及强化特点。结果11例胰腺转移癌原发于肺癌6例，乳腺癌1例，肾透明细胞癌1例，胃癌1例，直肠癌1例，子宫平滑肌肉瘤1例。病灶大小20．～50．cm ，常规超声多表现为低回声病灶（8／11），8例为单发，3例为多发；常规超声3例诊断倾向或不除外胰腺转移癌，1例倾向恶性，余7例性质待定。超声造影增强早期2例（182．％）呈高增强，6例（545．％）呈等增强，3例（273．％）呈低增强；增强晚期病灶多早于胰腺廓清而呈低增强（9／11）。胰腺转移癌多表现为整体均匀团状强化（7／11）。超声造影6例诊断胰腺转移癌，3例诊断为恶性，1例诊断神经内分泌肿瘤，1例性质待定。结论胰腺转移癌的超声造影表现有别于胰腺原发癌，重视原发癌的病史、超声造影增强早期表现特点等，有助于胰腺转移癌的诊断。
목적：탐토이선전이암적초성조영표현특점。방법회고성분석11례경병리혹C T、M RI등증강영상학검사급림상종합진단적이선전이암병례，관찰병변상규초성표현，초성조영증강여소퇴속도、강화정도급강화특점。결과11례이선전이암원발우폐암6례，유선암1례，신투명세포암1례，위암1례，직장암1례，자궁평활기육류1례。병조대소20．～50．cm ，상규초성다표현위저회성병조（8／11），8례위단발，3례위다발；상규초성3례진단경향혹불제외이선전이암，1례경향악성，여7례성질대정。초성조영증강조기2례（182．％）정고증강，6례（545．％）정등증강，3례（273．％）정저증강；증강만기병조다조우이선곽청이정저증강（9／11）。이선전이암다표현위정체균균단상강화（7／11）。초성조영6례진단이선전이암，3례진단위악성，1례진단신경내분비종류，1례성질대정。결론이선전이암적초성조영표현유별우이선원발암，중시원발암적병사、초성조영증강조기표현특점등，유조우이선전이암적진단。
Objective To explore the manifestation of pancreatic metastases (PM)using contrast‐enhanced ultrasound (CEUS). Methods Eleven patients with PM confirmed by pathology or CT/MRI combined with clinical data were analyzed retrospectively. The manifestation on conventional ultrasound and the enhancement appearance on CEUS were analyzed. Results The primary malignant tumors included lung cancer(n=6), breast cancer(n=1), renal clear cell carcinoma(n=1), gastric cancer(n=1), rectal cancer(n=1)and leiomyosarcoma of uterus(n=1). Eight patients had one lesion and three were multiple. The maximum lesion diameter was 2. 0-5. 0cm. Eight of the 11 patients showed hypoechoic on conventional US. Three patients were diagnosed as probably PM, one probably malignant and 7 undetermined by US. In the early stage of CEUS, two patients showed hyper‐enhancement, six showed iso‐enhancement and 3 showed hypo‐enhancement I.n the late stage of CEUS, nine patients (9/11) showed hypo‐enhancement. Seven patients showed homogeneous enhancement S.ix patients were diagnosed as PM, three malignant, one neuroendocrine tumor and one undetermined by CEUS. Conclusions PM showed certain characteristics on CEUS. The hyper‐or iso‐enhancement at the early stage of CEUS and history of primary cancer is helpful for diagnosis of PM.