소영호 교수

HCCs and AEPs show different enhancing features on the delayed dynamic and hepatobiliary phases of gadoxetic acid-enhanced MRI. Gadoxetic acid-enhanced MRI may, therefore, help to differentiate between HCC and AEP.

Background The performance of a deep learning algorithm for lung cancer detection on chest radiographs in a health screening population is unknown. Purpose To validate a commercially available deep learning algorithm for lung cancer detection on chest radiographs in a health screening population. Materials and Methods Out-of-sample testing of a deep learning algorithm was retrospectively performed using chest radiographs from individuals undergoing a comprehensive medical check-up between July 2

The MRE-based liver stiffness value may be useful for noninvasively predicting esophageal varices and identifying high-risk varices in cirrhotic patients.

The overall accuracy of the two reviewers for determining the tumor resectability was 61.6% and 83.5%, respectively. The Az values were 0.802 for reviewer 1 and 0.892 for reviewer 2 in the evaluation of the secondary biliary confluence tumor involvement and 0.773 for reviewer 1 and 0.846 for reviewer 2 in the evaluation of the intrapancreatic bile duct involvement. In the evaluation of the vascular involvement, the Az values were 0.718 and 0.906, respectively, for the hepatic artery evaluation a

Objective: We wanted to evaluate the mural changes by CT on the follow-up examination of patients with active Takayasu arteritis. Materials and Methods: The study included 18 patients, (4 males and 14 females), with active Takayasu arteritis. A total of 44 CT examinations were done during the follow-up period (mean: 55.6 months). At the time of the last follow-up CT, the disease, on the basis of the erythrocyte sedimentation rate (ESR), was found to be inactive in five patients and the disease w

<b>OBJECTIVE.</b> Spontaneous intracranial hypotension (SIH) shows various characteristic MRI findings. We evaluated the usefulness of straight sinus distention compared with transverse sinus distention and also evaluated other MRI findings of SIH. <b>MATERIALS AND METHODS.</b> Forty-three consecutive patients (28 female and 15 male patients) treated for SIH and 43 age- and sex-matched control subjects at two institutions from 2012 through 2014 were included in this study. Two reviewers determin

The reliability of MRI for assessing thoracolumbar spinal injuries according to the TLICS was moderate for injury morphology and fair to moderate for PLC integrity, which may not be influenced by radiologist' experience.

The CT-guided posterolateral approach was safe, feasible, and effective for percutaneous intervention of the C2 vertebral body.

On ultrasonography, 0.9% of adults had incidental thyroglossal duct cysts. Most did not increase in size with time despite changes in various ultrasonography features. Therefore, we recommend performing an observation at long intervals of 2-3 years for asymptomatic thyroglossal duct cysts, and we suggest that fine-needle aspiration can be suspended unless suspicious findings of malignancy are detected.

목적: 승모판 치환술을 받은 환자에서 좌심방 벽 석회화의 전산화 단층 촬영소견과 임상적 의의를 평가한다. 대상과 방법: 승모판 치환술을 받은 환자 36명을 대상으로 조영전 전산화 단층 촬영소견을 후향적으로 분석하였다. 36명의 환자 중 15명에서 좌심방 벽에 석회화가 보였고 21명의 환자에서는 보이지 않았다. 좌심방 벽 석회화의 임상적 의의를 평가하기 위해 전산화 단층 촬영소견을 분석하였고, 좌폐동맥의 직경, 승모판 치환술 이후의 전산화 단층 촬영과의 시간 경과, 폐동맥압의 차이를 비교하였다. 결과: 좌심방 벽의 석회화는 국소적(선상, n=7; 결절성, n=5) 또는 미만성(좌심방 벽의 1/4이상, n=3)으로 보였다. 이중 2예에서는 좌심방 내에 혈전이 동반되었다. 좌심방 벽의 석회화를 보인 환자에서는 석회화가 보이지 않은 환자와 비교하여 수축기 폐동맥압이 유의하게 증가되어 있었으나(p<0.05), 좌폐동맥의 직경, 승모판 치환술 이후의 전산화 단층 촬영과의 시간경과는 두 환자군에