Journal of the Korean Society of Radiology最新文献_第10页

Bare-Metal Stent in Dysfunctional Hemodialysis Access: An Assessment of Circuit Patency according to Access Type and Stent Location. 裸金属支架在功能不全血液透析通路中的应用:根据通路类型和支架位置评估循环通畅。

Journal of the Korean Society of Radiology Pub Date : 2023-01-01 DOI: 10.3348/jksr.2022.0069

Kyungmin Lee, Je Hwan Won, Yohan Kwon, Su Hyung Lee, Jun Bae Bang, Jinoo Kim

{"title":"Bare-Metal Stent in Dysfunctional Hemodialysis Access: An Assessment of Circuit Patency according to Access Type and Stent Location.","authors":"Kyungmin Lee, Je Hwan Won, Yohan Kwon, Su Hyung Lee, Jun Bae Bang, Jinoo Kim","doi":"10.3348/jksr.2022.0069","DOIUrl":"https://doi.org/10.3348/jksr.2022.0069","url":null,"abstract":"Purpose: To evaluate the circuit patency after nitinol bare-metal stent (BMS) placement according to the type of access and location of the stent in dysfunctional hemodialysis access.Materials and methods: Between January 2017 and December 2019, 159 patients (mean age, 64.1 ± 13.2 years) underwent nitinol BMS placement for dysfunctional access. The location of stents was as follows: 18 brachiocephalic vein, 51 cephalic arch, 40 upper arm vein, 10 juxta-anastomotic vein, 7 arteriovenous (AV) anastomosis, and 33 graft-vein (GV) anastomosis. Circuit patency was evaluated by the Kaplan-Meier method, and cox regression model.Results: A total of 159 stents were successfully deployed in 103 AV fistula (AVF) and 56 AV graft (AVG). AVG showed lower primary and secondary patency at 12-months compared with AVF (primary patency; 25.0% vs. 44.7%; p = 0.005, secondary patency; 76.8% vs. 92.2%; p = 0.014). Cox regression model demonstrated poorer primary patency at 12 months after stenting in the cephalic arch and GV anastomosis compared with the other sites.Conclusion: AVF showed better primary and secondary circuit patency at 12 months following the placement of BMS compared with AVG. Stents in the cephalic arch and GV anastomosis were associated with poorer primary patency at 12 months compared to those in other locations.","PeriodicalId":17455,"journal":{"name":"Journal of the Korean Society of Radiology","volume":"84 1","pages":"197-211"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/07/37/jksr-84-197.PMC9935964.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10756720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Combined Anatomical Anomalies of Direct Aortic Arch Origins of the Left Internal Carotid, Left External Carotid, and Left Vertebral Arteries: A Case Report. 左颈内动脉、左颈外动脉和左椎动脉直主动脉弓起源合并畸形1例报告。

Journal of the Korean Society of Radiology Pub Date : 2023-01-01 DOI: 10.3348/jksr.2022.0065

Dae Yun Park, Byunghoon Lee, Yoon Joon Hwang

引用次数: 0

Clinicoradiological Features of Pulmonary Cryptococcosis in Immunocompetent Patients. 免疫功能正常患者肺隐球菌病的临床放射学特征。

Journal of the Korean Society of Radiology Pub Date : 2023-01-01 DOI: 10.3348/jksr.2022.0008

Hong Seok Choi, Yun-Hyeon Kim, Won Gi Jeong, Jong Eun Lee, Hye Mi Park

{"title":"Clinicoradiological Features of Pulmonary Cryptococcosis in Immunocompetent Patients.","authors":"Hong Seok Choi, Yun-Hyeon Kim, Won Gi Jeong, Jong Eun Lee, Hye Mi Park","doi":"10.3348/jksr.2022.0008","DOIUrl":"https://doi.org/10.3348/jksr.2022.0008","url":null,"abstract":"Purpose: To assess the clinicoradiological features of pulmonary cryptococcosis in immunocompetent patients.Materials and methods: This retrospective study included immunocompetent patients who had been diagnosed with pulmonary cryptococcosis on the histopathologic exam and underwent chest CT between January 2008 and November 2019. Imaging features were divided into major imaging patterns, distributions, and ancillary imaging findings. Univariable analysis was performed to evaluate clinicoradiological features according to the presence of serum cryptococcal antigen.Results: Thirty-one patients were evaluated (mean age: 60 years, range: 19-78 years). A single nodular lesion confined to a single lobe was the most common imaging pattern (14/31, 45.2%). Serum cryptococcal antigen tests were performed in 19 patients (19/31, 61.3%). The presence of serum cryptococcal antigen was observed in six patients (6/19, 31.6%), all of whom showed a consolidation-dominant pattern. The presence of serum cryptococcal antigen was significantly associated with the consolidation-dominant pattern compared to those associated with a nodule-dominant pattern (p = 0.011).Conclusion: A combination of CT findings of consolidation and a positive serum cryptococcal antigen test may be helpful for diagnosing pulmonary cryptococcosis in immunocompetent patients.","PeriodicalId":17455,"journal":{"name":"Journal of the Korean Society of Radiology","volume":"84 1","pages":"253-262"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/9c/2f/jksr-84-253.PMC9935965.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9330438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

[Radiologic Evaluation of Uterine Lesions Using a Pattern Recognition Approach]. [应用模式识别方法对子宫病变的放射学评价]。

Journal of the Korean Society of Radiology Pub Date : 2023-01-01 DOI: 10.3348/jksr.2022.0009

Na Young Lee, Eun Ji Lee, Seong Sook Hong, Jiyoung Hwang, Yun-Woo Chang, Eunsun Oh, Boda Nam, Jewon Jeong

引用次数: 0

[Comparison of True and Virtual Non-Contrast Images of Liver Obtained with Single-Source Twin Beam and Dual-Source Dual-Energy CT]. [单源双束与双源双能CT肝脏真假非对比图像的比较]。

Journal of the Korean Society of Radiology Pub Date : 2023-01-01 DOI: 10.3348/jksr.2021.0193

Jeong Sub Lee, Guk Myung Choi, Bong Soo Kim, Su Yeon Ko, Kyung Ryeol Lee, Jeong Jae Kim, Doo Ri Kim

{"title":"[Comparison of True and Virtual Non-Contrast Images of Liver Obtained with Single-Source Twin Beam and Dual-Source Dual-Energy CT].","authors":"Jeong Sub Lee, Guk Myung Choi, Bong Soo Kim, Su Yeon Ko, Kyung Ryeol Lee, Jeong Jae Kim, Doo Ri Kim","doi":"10.3348/jksr.2021.0193","DOIUrl":"https://doi.org/10.3348/jksr.2021.0193","url":null,"abstract":"Purpose: To assess the magnitude of differences between attenuation values of the true non-contrast image (TNC) and virtual non-contrast image (VNC) derived from twin-beam dual-energy CT (tbDECT) and dual-source DECT (dsDECT).Materials and methods: This retrospective study included 62 patients who underwent liver dynamic DECT with tbDECT (n = 32) or dsDECT (n = 30). Arterial VNC (AVNC), portal VNC (PVNC), and delayed VNC (DVNC) were reconstructed using multiphasic DECT. Attenuation values of multiple intra-abdominal organs (n = 11) on TNCs were subsequently compared to those on multiphasic VNCs. Further, we investigated the percentage of cases with an absolute difference between TNC and VNC of ≤ 10 Hounsfield units (HU).Results: For the mean attenuation values of TNC and VNC, 33 items for each DECT were compared according to the multiphasic VNCs and organs. More than half of the comparison items for each DECT showed significant differences (tbDECT 17/33; dsDECT 19/33; Bonferroni correction p < 0.0167). The percentage of cases with an absolute difference ≤ 10 HU was 56.7%, 69.2%, and 78.6% in AVNC, PVNC, and DVNC in tbDECT, respectively, and 70.5%, 78%, and 78% in dsDECT, respectively.Conclusion: VNCs derived from the two DECTs were insufficient to replace TNCs because of the considerable difference in attenuation values.","PeriodicalId":17455,"journal":{"name":"Journal of the Korean Society of Radiology","volume":"84 1","pages":"170-184"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/a4/58/jksr-84-170.PMC9935954.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10768795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Use of an Iliac Branch Device: Single-Center Study of Endovascular Preservation of Internal Iliac Artery Flow 髂分支装置的使用:髂内动脉血流血管内保存的单中心研究

Journal of the Korean Society of Radiology Pub Date : 2023-01-01 DOI: 10.3348/jksr.2023.0040

Hyeseung Lee, Jeong-min Lee, Soongu Cho, JungUi Hong

引用次数: 0

A Thrombus within an Interventricular Membranous Septal Aneurysm Leading to Cerebral Infarction: A Case Report 室间隔膜性动脉瘤内血栓导致脑梗死1例报告

Journal of the Korean Society of Radiology Pub Date : 2023-01-01 DOI: 10.3348/jksr.2022.0151

Seongken Kim, Joon-Won Kang, Hyun Jung Koo, Dong Hyun Yang

引用次数: 0

[Breast Imaging Reporting and Data System (BI-RADS): Advantages and Limitations]. [乳腺成像报告和数据系统(BI-RADS):优点和局限性]。

Journal of the Korean Society of Radiology Pub Date : 2023-01-01 DOI: 10.3348/jksr.2022.0142

Ji Soo Choi

引用次数: 1

Adaptation of Deep Learning Image Reconstruction for Pediatric Head CT: A Focus on the Image Quality. 深度学习图像重建在儿童头部CT中的应用:对图像质量的关注。

Journal of the Korean Society of Radiology Pub Date : 2023-01-01 DOI: 10.3348/jksr.2021.0073

Nim Lee, Hyun-Hae Cho, So Mi Lee, Sun Kyoung You

{"title":"Adaptation of Deep Learning Image Reconstruction for Pediatric Head CT: A Focus on the Image Quality.","authors":"Nim Lee, Hyun-Hae Cho, So Mi Lee, Sun Kyoung You","doi":"10.3348/jksr.2021.0073","DOIUrl":"https://doi.org/10.3348/jksr.2021.0073","url":null,"abstract":"Purpose: To assess the effect of deep learning image reconstruction (DLIR) for head CT in pediatric patients.Materials and methods: We collected 126 pediatric head CT images, which were reconstructed using filtered back projection, iterative reconstruction using adaptive statistical iterative reconstruction (ASiR)-V, and all three levels of DLIR (TrueFidelity; GE Healthcare). Each image set group was divided into four subgroups according to the patients' ages. Clinical and dose-related data were reviewed. Quantitative parameters, including the signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR), and qualitative parameters, including noise, gray matter-white matter (GM-WM) differentiation, sharpness, artifact, acceptability, and unfamiliar texture change were evaluated and compared.Results: The SNR and CNR of each level in each age group increased among strength levels of DLIR. High-level DLIR showed a significantly improved SNR and CNR (p < 0.05). Sequential reduction of noise, improvement of GM-WM differentiation, and improvement of sharpness was noted among strength levels of DLIR. Those of high-level DLIR showed a similar value as that with ASiR-V. Artifact and acceptability did not show a significant difference among the adapted levels of DLIR.Conclusion: Adaptation of high-level DLIR for the pediatric head CT can significantly reduce image noise. Modification is needed while processing artifacts.","PeriodicalId":17455,"journal":{"name":"Journal of the Korean Society of Radiology","volume":"84 1","pages":"240-252"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/82/7f/jksr-84-240.PMC9935960.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9315963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

[Detection of Monosodium Urate Crystal of Hand and Wrist in Suspected Gouty Arthritis Patients on Dual-Energy CT and Relationship with Serum Urate Level]. 【疑似痛风性关节炎患者手、腕部尿酸钠晶体双能CT检测及与血清尿酸水平的关系】。

Journal of the Korean Society of Radiology Pub Date : 2023-01-01 DOI: 10.3348/jksr.2021.0003n

Hana Choi, Jeongah Ryu, Seunghun Lee, Yeo Ju Kim, Soyoung Bang

{"title":"[Detection of Monosodium Urate Crystal of Hand and Wrist in Suspected Gouty Arthritis Patients on Dual-Energy CT and Relationship with Serum Urate Level].","authors":"Hana Choi, Jeongah Ryu, Seunghun Lee, Yeo Ju Kim, Soyoung Bang","doi":"10.3348/jksr.2021.0003n","DOIUrl":"https://doi.org/10.3348/jksr.2021.0003n","url":null,"abstract":"Purpose: We retrospectively investigated the characteristics of patients with monosodium urate (MSU) deposits of the hand and wrist on dual-energy CT (DECT) compared to those without. We also attempted to determine the pattern of MSU distribution in DECT.Materials and methods: In total, 93 patients were included who had undergone DECT for evaluation of the hand or wrist pain under the clinical impression of gouty arthritis. The total volume of MSU deposits on DECT was calculated and the pattern of MSU distribution on DECT was analyzed. Also, the level of the serum urate at the time of DECT and the highest level of the serum urate of the patients were obtained from their records and the relationship between MSU and serum urate level was evaluated.Results: The range of the volume of MSU deposits on DECT was 0.01-16.11 cm3 (average: 1.07 cm3). The average level of serum urate was significantly higher in the MSU positive group than that in the MSU negative group. MSU deposits were most frequently observed in the wrists followed by fingers and digitorum tendons.Conclusion: On DECT, MSU deposits were most frequently detected in the wrist and related with high serum urate level.","PeriodicalId":17455,"journal":{"name":"Journal of the Korean Society of Radiology","volume":"84 1","pages":"212-225"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/00/8f/jksr-84-212.PMC9935968.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9315964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0