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Intradural Extramedullary Ependymoma with Hemorrhage: A Case Report 硬膜内髓外室管膜瘤合并出血1例
Q4 Medicine Pub Date : 2023-01-01 DOI: 10.3348/jksr.2022.0173
Changwon Choi, Sun Joo Lee, Sung Hwa Paeng, Hwa Jin Cho
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引用次数: 0
Diagnostic Performance of Rectal CT for Staging Rectal Cancer: Comparison with Rectal MRI and Histopathology 直肠CT对直肠癌分期的诊断价值:与直肠MRI及组织病理学的比较
Q4 Medicine Pub Date : 2023-01-01 DOI: 10.3348/jksr.2022.0140
Seok Yoon Son, Yun Seok Seo, Jeong Hee Yoon, Bo Yun Hur, Jae Seok Bae, Se Hyung Kim
{"title":"Diagnostic Performance of Rectal CT for Staging Rectal Cancer: Comparison with Rectal MRI and Histopathology","authors":"Seok Yoon Son, Yun Seok Seo, Jeong Hee Yoon, Bo Yun Hur, Jae Seok Bae, Se Hyung Kim","doi":"10.3348/jksr.2022.0140","DOIUrl":"https://doi.org/10.3348/jksr.2022.0140","url":null,"abstract":"","PeriodicalId":17455,"journal":{"name":"Journal of the Korean Society of Radiology","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135104528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical and Imaging Features of Cystic Fibrosis in Korean Children 韩国儿童囊性纤维化的临床和影像学特征
Q4 Medicine Pub Date : 2023-01-01 DOI: 10.3348/jksr.2023.0074
Yong Jae Kwon, So-Young Yoo, Tae Yeon Jeon, Ji Hye Kim, Ji Eun Park
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引用次数: 0
Respiratory Epithelial Adenomatoid Hamartoma at an Unusual Location: A Case Report and Literature Review 异常部位的呼吸上皮腺瘤样错构瘤1例报告及文献复习
Q4 Medicine Pub Date : 2023-01-01 DOI: 10.3348/jksr.2022.0157
Da Eun Kwon, Da Mi Kim, Chang June Song, In Ho Lee, Yong Min Kim
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引用次数: 0
Extrapleural Malignant Solitary Fibrous Tumor Presenting as Invasive Bilateral Paravertebral Tumors: A Case Report. 胸膜外恶性孤立性纤维性肿瘤表现为侵袭性双侧椎旁肿瘤1例。
Q4 Medicine Pub Date : 2023-01-01 DOI: 10.3348/jksr.2022.0071
Jewon Jeong, So-Young Jin

Solitary fibrous tumors (SFTs) commonly arise from the pleura and are mostly benign. However, they may develop anywhere in the body, and 10%-30% are malignant. Classically, SFTs appear as solitary enhancing masses, and bilateral presentation is extremely rare. In this case, an 88-year-old male presented with back pain and a history of chronic tuberculous empyema. Imaging studies revealed bilateral paravertebral masses with aggressive radiologic features, which were speculatively presumed as thoracic malignancies in association with chronic empyema. Herein, we report a unique case of bilateral paravertebral malignant SFTs that were accurately diagnosed with a CT-guided coaxial needle biopsy.

孤立性纤维性肿瘤(SFTs)通常起源于胸膜,大多数是良性的。然而,它们可能在身体的任何地方发展,10%-30%是恶性的。典型地,SFTs表现为孤立的增强肿块,双侧表现极为罕见。在这个病例中,一名88岁的男性表现为背部疼痛和慢性结核性脓胸史。影像学检查显示双侧椎旁肿块具有侵袭性影像学特征,推测为与慢性脓胸相关的胸部恶性肿瘤。在此,我们报告一个独特的双侧椎旁恶性SFTs病例,通过ct引导的同轴针活检准确诊断。
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引用次数: 0
Comparison of Single- and Multi-Echo Susceptibility-Weighted Imaging in Detecting Cerebral Arteriovenous Shunts: A Preliminary Study. 单回波与多回波敏感性加权成像检测脑动静脉分流的比较初步研究。
Q4 Medicine Pub Date : 2023-01-01 DOI: 10.3348/jksr.2022.0080
Seung Wan Han, Jae Ho Shin, Yon Kwon Ihn, Seung Ho Yang, Jae Hoon Sung

Purpose: To compare the sensitivities of T2-weighted image (T2WI) and susceptibility-weighted imaging (SWI) in detecting cerebral arteriovenous fistula (AVF), cerebral arteriovenous malformation (AVM), and carotid-cavernous sinus fistula (CCF), and to qualitatively evaluate single-echo SWI (s-SWI) and multi-echo SWI (m-SWI) in characterizing vascular lesions.

Materials and methods: From January 2016 to December 2021, cerebral angiography-proven lesions were recruited. The sensitivities of T2WI and SWI in detecting vascular lesions were compared using McNemar's test. Qualitative evaluations of s-SWI and m-SWI were categorized to be of poor, average, or good quality and compared using Fisher's exact test.

Results: A total of 24 patients (mean age: 61 years, 12 female, and 12 male) were enrolled. Twenty patients underwent s-SWI or m-SWI, and four patients underwent both. AVF, AVM, and CCF were diagnosed in 10, 11, and 3 patients, respectively. SWI demonstrated higher sensitivity compared to that of T2WI (82.1% vs. 53.6%, p = 0.013). m-SWI showed better image quality compared to that of s-SWI (good quality, 83.3% vs. 25.0%, p = 0.009).

Conclusion: SWI demonstrated a higher sensitivity for detecting cerebral arteriovenous shunts compared to that of T2WI. m-SWI exhibited better image quality compared to that of s-SWI in characterizing vascular lesions.

目的:比较T2WI和敏感性加权成像(SWI)对脑动静脉瘘(AVF)、脑动静脉畸形(AVM)和颈海绵状窦瘘(CCF)的检测敏感性,并定性评价单回波SWI (s-SWI)和多回波SWI (m-SWI)对血管病变的诊断价值。材料与方法:2016年1月至2021年12月,招募经脑血管造影证实的病变患者。采用McNemar试验比较T2WI和SWI对血管病变的敏感性。s-SWI和m-SWI的定性评价分为差、平均或良好,并使用Fisher精确检验进行比较。结果:共纳入24例患者,平均年龄61岁,女性12例,男性12例。20例患者接受s-SWI或m-SWI, 4例患者同时接受s-SWI和m-SWI。AVF 10例,AVM 11例,CCF 3例。与T2WI相比,SWI的敏感性更高(82.1% vs. 53.6%, p = 0.013)。m-SWI的图像质量优于s-SWI(质量好,83.3% vs. 25.0%, p = 0.009)。结论:与T2WI相比,SWI对脑动静脉分流的检测灵敏度更高。与s-SWI相比,m-SWI在表征血管病变方面表现出更好的图像质量。
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引用次数: 0
Radiomics Analysis of Gray-Scale Ultrasonographic Images of Papillary Thyroid Carcinoma > 1 cm: Potential Biomarker for the Prediction of Lymph Node Metastasis. > 1cm甲状腺乳头状癌灰度超声图像放射组学分析:预测淋巴结转移的潜在生物标志物。
Q4 Medicine Pub Date : 2023-01-01 DOI: 10.3348/jksr.2021.0155
Hyun Jung Chung, Kyunghwa Han, Eunjung Lee, Jung Hyun Yoon, Vivian Youngjean Park, Mina Lee, Eun Cho, Jin Young Kwak

Purpose: This study aimed to investigate radiomics analysis of ultrasonographic images to develop a potential biomarker for predicting lymph node metastasis in papillary thyroid carcinoma (PTC) patients.

Materials and methods: This study included 431 PTC patients from August 2013 to May 2014 and classified them into the training and validation sets. A total of 730 radiomics features, including texture matrices of gray-level co-occurrence matrix and gray-level run-length matrix and single-level discrete two-dimensional wavelet transform and other functions, were obtained. The least absolute shrinkage and selection operator method was used for selecting the most predictive features in the training data set.

Results: Lymph node metastasis was associated with the radiomics score (p < 0.001). It was also associated with other clinical variables such as young age (p = 0.007) and large tumor size (p = 0.007). The area under the receiver operating characteristic curve was 0.687 (95% confidence interval: 0.616-0.759) for the training set and 0.650 (95% confidence interval: 0.575-0.726) for the validation set.

Conclusion: This study showed the potential of ultrasonography-based radiomics to predict cervical lymph node metastasis in patients with PTC; thus, ultrasonography-based radiomics can act as a biomarker for PTC.

目的:对甲状腺乳头状癌(PTC)患者的超声影像进行放射组学分析,寻找预测其淋巴结转移的潜在生物标志物。材料与方法:本研究纳入2013年8月至2014年5月的431例PTC患者,将其分为训练集和验证集。共获得了730个放射组学特征,包括灰度共现矩阵和灰度游程矩阵的纹理矩阵以及单级离散二维小波变换等函数。采用最小绝对收缩和选择算子方法在训练数据集中选择最具预测性的特征。结果:淋巴结转移与放射组学评分相关(p < 0.001)。它还与其他临床变量相关,如年轻(p = 0.007)和肿瘤大小(p = 0.007)。训练集的受试者工作特征曲线下面积为0.687(95%置信区间:0.616-0.759),验证集的受试者工作特征曲线下面积为0.650(95%置信区间:0.575-0.726)。结论:本研究显示基于超声的放射组学预测PTC患者颈部淋巴结转移的潜力;因此,基于超声的放射组学可以作为PTC的生物标志物。
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引用次数: 0
Impact of Deep-Learning Based Reconstruction on Single-Breath-Hold, Single-Shot Fast Spin-Echo in MR Enterography for Crohn’s Disease 基于深度学习的重建对克罗恩病MR肠造影单次屏气、单次快速自旋回波的影响
Q4 Medicine Pub Date : 2023-01-01 DOI: 10.3348/jksr.2023.0008
Eun Joo Park, Yedaun Lee, Joonsung Lee
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引用次数: 0
Usefulness of MRI Scoring System for Differential Diagnosis between Xanthogranulomatous Cholecystitis and Wall-Thickening Type Gallbladder Cancer MRI评分系统对黄色肉芽肿性胆囊炎与壁厚型胆囊癌鉴别诊断的价值
Q4 Medicine Pub Date : 2023-01-01 DOI: 10.3348/jksr.2023.0036
Soul Han, Young Hwan Lee, Youe Ree Kim, Eun Gyu Soh
{"title":"Usefulness of MRI Scoring System for Differential Diagnosis between Xanthogranulomatous Cholecystitis and Wall-Thickening Type Gallbladder Cancer","authors":"Soul Han, Young Hwan Lee, Youe Ree Kim, Eun Gyu Soh","doi":"10.3348/jksr.2023.0036","DOIUrl":"https://doi.org/10.3348/jksr.2023.0036","url":null,"abstract":"","PeriodicalId":17455,"journal":{"name":"Journal of the Korean Society of Radiology","volume":"158 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135448386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hematoma-Filled Pneumatocele after CT-Guided Percutaneous Transthoracic Needle Lung Biopsy: Two Case Reports. ct引导下经皮经胸穿刺肺活检后充血气肿2例报告。
Q4 Medicine Pub Date : 2023-01-01 DOI: 10.3348/jksr.2022.0093
Se Ri Kang

CT-guided percutaneous transthoracic needle biopsy (PTNB) plays a key role in the diagnosis of pulmonary abnormalities. Although the procedure is considered safe and effective, there exists a potential for complications, such as pneumothorax, hemorrhage, hemoptysis, air embolism, and tumor seeding. However, pneumatoceles after CT-guided PTNB have been rarely reported. Herein, we report two cases of pneumatoceles that developed immediately after PTNB for primary lung cancer. A pneumatocele filled with hematoma should be considered in cases with a newly developed nodule along the needle tract during short-term follow-up CT after PTNB.

ct引导下经皮经胸穿刺活检(PTNB)在肺部异常的诊断中起着关键作用。虽然该手术被认为是安全有效的,但存在潜在的并发症,如气胸、出血、咯血、空气栓塞和肿瘤播散。然而,ct引导下PTNB后的气肿很少有报道。在此,我们报告两例肺气肿,立即发展后PTNB原发性肺癌。在PTNB术后的短期随访CT中,如果发现沿针道新形成的结节,应考虑气肿充血。
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引用次数: 0
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Journal of the Korean Society of Radiology
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