Hong Kong Journal of Radiology最新文献_第5页

Scapulothoracic Dissociation in a Patient with Polytrauma: a Case Report 一例多发性创伤患者的肩胸分离

IF 0.1 4区医学

Hong Kong Journal of Radiology Pub Date : 2022-12-23 DOI: 10.12809/hkjr2217343

Hm Kwok, E. Lo, Ny Pan, R. Chan, Sc Wong, Lf Cheng, Jkf Ma

{"title":"Scapulothoracic Dissociation in a Patient with Polytrauma: a Case Report","authors":"Hm Kwok, E. Lo, Ny Pan, R. Chan, Sc Wong, Lf Cheng, Jkf Ma","doi":"10.12809/hkjr2217343","DOIUrl":"https://doi.org/10.12809/hkjr2217343","url":null,"abstract":"INTRODUCTION Scapulothoracic dissociation (SD) is a rare but severe injury to the shoulder girdle. It is characterised by complete disruption of the scapulothoracic articulation with lateral scapular displacement and intact skin.1-3 It is a spectrum of musculoskeletal and neurovascular injuries,3 involving high-energy trauma with lateral tractional forces applied to the shoulder girdle.2,4 Scapular Index (SI) is an indicator that is relevant to SD. It is obtained by measuring the distance from the spinous process to the medial border of the scapula, then divide the value of the injured side by the value of the non-injured side. Laterally displaced scapula with SI >1 has been commonly used as a diagnostic criterion for SD in previous studies.5 Nonetheless this requires a nonrotated anteroposterior (AP) chest radiograph that may be impractical in the urgent trauma setting. Moreover, SD may be initially missed in the polytrauma setting with multiple significant injuries.2 Herein, we report a case of SD in a young adult who was involved in a road traffic accident with polytrauma presenting with absent brachial pulse and significant vascular injuries on initial trauma computed tomography (CT) with CT angiogram.","PeriodicalId":41549,"journal":{"name":"Hong Kong Journal of Radiology","volume":" ","pages":""},"PeriodicalIF":0.1,"publicationDate":"2022-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44528120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Underestimation of Ductal Carcinoma In Situ and Invasive Ductal Carcinoma in Specimens Obtained with Stereotactic-Guided Vacuum-Assisted Biopsy 立体定向引导真空辅助活检标本中对原位导管癌和浸润性导管癌的低估

IF 0.1 4区医学

Hong Kong Journal of Radiology Pub Date : 2022-12-23 DOI: 10.12809/hkjr2217345

Alc Chan, K. Wong, K. Tam, YY Man, Py Tang

{"title":"Underestimation of Ductal Carcinoma In Situ and Invasive Ductal Carcinoma in Specimens Obtained with Stereotactic-Guided Vacuum-Assisted Biopsy","authors":"Alc Chan, K. Wong, K. Tam, YY Man, Py Tang","doi":"10.12809/hkjr2217345","DOIUrl":"https://doi.org/10.12809/hkjr2217345","url":null,"abstract":"Objective: We sought to determine the underestimation rates of ductal carcinoma in situ (DCIS) and of invasive ductal carcinoma (IDC), diagnosed as atypical ductal hyperplasia (ADH) and DCIS, respectively, occurring with stereotactic-guided vacuum-assisted breast biopsy (VABB) of suspicious microcalcifications. Methods: We retrospectively reviewed cases of ADH and DCIS diagnosed by stereotactic-guided VABB between 2010 and 2019 in our institution. The biopsy results were correlated with the subsequent surgical histopathology results. Results: A total of 44 ADH lesions and 83 DCIS lesions were sampled with stereotactic-guided VABB during the 10-year study period. All lesions were categorised as BI-RADS (Breast Imaging Reporting and Data System) 4. Most lesions had either 6 or 12 cores taken during the biopsy. The upgrade rate of VABB-diagnosed ADH was 18.2% (7 upgraded to DCIS and 1 to IDC out of 44 VABB diagnoses of ADH), while that of VABB-diagnosed DCIS was 9.6% (8 upgraded to IDC out of the 83 biopsy-diagnosed DCIS). Amorphous calcifications in ADH lesions were associated with a lower rate of malignancy upgrade (p = 0.019). No other predictors of upgrade for either ADH or DCIS were identified. When the pathology results of specimens without visible microcalcifications were reviewed separately, we found a very low rate of upgrade in the absence of histological microcalcifications or in the presence of a benign pathologic entity. Conclusion: A significant proportion of stereotactic-guided VABB-diagnosed ADH and DCIS were underdiagnosed when compared to surgical histopathology. Surgical excisional biopsy is recommended for all VABB-diagnosed ADH and DCIS lesions for definitive pathology.","PeriodicalId":41549,"journal":{"name":"Hong Kong Journal of Radiology","volume":" ","pages":""},"PeriodicalIF":0.1,"publicationDate":"2022-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45037925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Achieving Optimal Central Venous Catheter Position: Evaluation of Radiographic Landmarks for Accuracy and Inter-observer Reliability in Locating the Cavoatrial Junction 实现最佳中心静脉导管位置:评价定位腔房连接处的准确性和观察者间可靠性的影像学标志

IF 0.1 4区医学

Hong Kong Journal of Radiology Pub Date : 2022-12-23 DOI: 10.12809/hkjr2217382

Kw So, HL Tsui, Sm Yu, C. Suen, Cw Choi, Py Chu, J. Chan

{"title":"Achieving Optimal Central Venous Catheter Position: Evaluation of Radiographic Landmarks for Accuracy and Inter-observer Reliability in Locating the Cavoatrial Junction","authors":"Kw So, HL Tsui, Sm Yu, C. Suen, Cw Choi, Py Chu, J. Chan","doi":"10.12809/hkjr2217382","DOIUrl":"https://doi.org/10.12809/hkjr2217382","url":null,"abstract":"Objective: We sought to compare three popular radiographic landmarks for their accuracy and inter-observer reliability in determination of the cavoatrial junction (CAJ) by analysing the anteroposterior scout and electrocardiogram-gated coronary computed tomographic angiography (CTA) images. Methods: CTA image data of 148 patients were assessed. The position of the CAJ defined by CTA was regarded as the gold standard. The median vertical distance between the CAJ and three radiographic landmarks (two vertebral body units [vertebrae plus discs] below the carina, the superior aspect of the right heart border, and the intersection of the bronchus intermedius with the right heart border) were assessed and compared using the Kruskal–Wallis test. For inter-observer reliability between two radiologists, each with at least 4 years of experience, intra-class correlation (ICC) was analysed. Results: The median vertical distances between the CAJ and two vertebral body units below the carina, the superior aspect of the right heart border, and the intersection of the inferior wall of the bronchus intermedius with the right heart border were 5.1 mm (0-24.6), 10.2 mm (1-45.2) and 9.8 mm (0.8-45.8), respectively. The radiographic landmark of two vertebral body units below the carina provided the closest estimation of the CAJ (p < 0.001). It also demonstrated higher ICC (0.931, 95% confidence interval [CI]=0.905-0.950) than the other two (0.833, 95% CI=0.768-0.880 and 0.860, 95% CI=0.805-0.899, respectively). Conclusion: Among the three popular radiographic landmarks for the CAJ, we found that a point two vertebral body units below the carina provided the most accurate estimate of CAJ location.","PeriodicalId":41549,"journal":{"name":"Hong Kong Journal of Radiology","volume":" ","pages":""},"PeriodicalIF":0.1,"publicationDate":"2022-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42845221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Imaging Features of Gastrointestinal Stromal Tumour: Diagnosis and Evaluation of Treatment Response 胃肠道间质瘤的影像学特征:诊断及治疗效果评价

IF 0.1 4区医学

Hong Kong Journal of Radiology Pub Date : 2022-12-23 DOI: 10.12809/hkjr2217461

Yt Wong, K. Kwok, O. Chan, Sh. Lee, ML Tsang

{"title":"Imaging Features of Gastrointestinal Stromal Tumour: Diagnosis and Evaluation of Treatment Response","authors":"Yt Wong, K. Kwok, O. Chan, Sh. Lee, ML Tsang","doi":"10.12809/hkjr2217461","DOIUrl":"https://doi.org/10.12809/hkjr2217461","url":null,"abstract":"INTRODUCTION Gastrointestinal stromal tumours (GISTs) are the most common mesenchymal neoplasms of the gastrointestinal tract and more commonly found in middle-aged patients. They arise from the interstitial cells of Cajal in the myenteric plexus and are potential malignancies that can occur anywhere along the gastrointestinal tract, most commonly in the stomach (50-60%), followed by the small intestine (30-35%), colon and rectum (5%), and oesophagus (<1%).1 GISTs can also be extraintestinal and originate in the mesentery, omentum or retroperitoneum. In the Chinese population, the incidence among those aged ≥50 years is higher than in those under 50 years old with a mean age at diagnosis of 55.2 years.2 Most GISTs have a KIT or platelet-derived growth factor receptor alpha (PDGFRA) mutation. Neoadjuvant therapy with imatinib acts by blocking the signalling via KIT and PDGFRA. Nonetheless, 10% to 15% of GISTs do not have a detectable KIT or PDGFRA mutation and have a poor response to imatinib. Some are associated with neurofibromatosis type 1, Carney–Stratakis syndrome and Carney triad.3 Biopsy is preferred to confirm the diagnosis for large resectable tumours or metastatic GISTs. This article evaluates the radiological images of pathologically proven GISTs. RISK STRATIFICATION OF GASTROINTESTINAL STROMAL TUMOURS There are several guidelines for assessing the malignant potential of GISTs; the most common are the modified National Institutes of Health criteria and the Armed Forces Institute of Pathology criteria. In both guidelines, risk of recurrence varies with tumour size and mitotic rate. The presence of tumour rupture is an additional prognostic indicator. Intermediate tumours, i.e., large tumours with a low mitotic rate or small tumours with a high mitotic rate, that arise from the stomach have a more favourable prognosis than those in other parts of the gastrointestinal tract.4","PeriodicalId":41549,"journal":{"name":"Hong Kong Journal of Radiology","volume":" ","pages":""},"PeriodicalIF":0.1,"publicationDate":"2022-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43298510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cervical Vertebral Bone Biopsy: Challenges and Tricks 颈椎骨活检:挑战和技巧

IF 0.1 4区医学

Hong Kong Journal of Radiology Pub Date : 2022-12-23 DOI: 10.12809/hkjr2217414

P. Chinniah, B. Gopal, V. Moses, S. Keshava

引用次数: 0

Iatrogenic Injury to the Iliolumbar Artery during Bone Marrow Biopsy Successfully Treated with Direct Embolisation through the Biopsy Needle: a Case Report 骨髓活检时医源性髂腰动脉损伤经活检针直接栓塞成功治疗1例

IF 0.1 4区医学

Hong Kong Journal of Radiology Pub Date : 2022-12-23 DOI: 10.12809/hkjr2217404

Eyl Chu, B. Fang

引用次数: 0

Sonographic Features of Triple-Negative Breast Cancer in an Asian Population 亚洲人群中三阴性乳腺癌的超声特征

IF 0.1 4区医学

Hong Kong Journal of Radiology Pub Date : 2022-12-23 DOI: 10.12809/hkjr2217367

C. Tsoi, Jys Chan, Hky Tam, Ehy Hung, Awh Ng, H. Chau, W. Chu

引用次数: 0

Are We Adequately Communicating the Potential Radiation Risks to Patients Undergoing Nuclear Medicine Examinations? A Clinical Audit 我们是否向接受核医学检查的患者充分传达了潜在的辐射风险？临床审计

IF 0.1 4区医学

Hong Kong Journal of Radiology Pub Date : 2022-12-23 DOI: 10.12809/hkjr2217421

Tk Chan, T. Au Yong, B. Kung, Y. Hui

{"title":"Are We Adequately Communicating the Potential Radiation Risks to Patients Undergoing Nuclear Medicine Examinations? A Clinical Audit","authors":"Tk Chan, T. Au Yong, B. Kung, Y. Hui","doi":"10.12809/hkjr2217421","DOIUrl":"https://doi.org/10.12809/hkjr2217421","url":null,"abstract":"Introduction: We assessed whether the communication of potential radiation risks from nuclear medicine examinations to patients, which is required by law, is adequate. Methods: We performed an audit to assess the adequacy of communication to patients, with two targets: (1) they received sufficient information about the potential radiation risks; and (2) they understood the information before they consented to the examination. We aimed at 100% of patients achieving both targets. If they did not, we planned to implement changes to bring our practice in line with these standards. A total of 53 patients undergoing examinations during a randomly selected week were recruited to fill out a questionnaire. Results: The audit showed that the targets were not achieved, with only 45% of the participants (95% confidence interval = 33-59%) reporting that they both received sufficient information and understood the potential risks. A series of changes were implemented, including distribution of a newly designed one-page information pamphlet to all participants, provision of a newly designed one-page reference sheet to the clinical team, and design of a new workflow for radiographers. Another 53 patients were recruited for re-audit, and the effect of the changes was assessed by comparing the results between the audit and re-audit, using the Chi squared test. These changes were associated with statistically significant improvements in both targets from 45% to 100% (p < 0.0001). Conclusion: When patients are provided with an easy-to-understand information pamphlet and the clinical team are instructed to assist patients in understanding the information, the communication targets are achievable.","PeriodicalId":41549,"journal":{"name":"Hong Kong Journal of Radiology","volume":" ","pages":""},"PeriodicalIF":0.1,"publicationDate":"2022-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44459548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

First-line Afatinib in Epidermal Growth Factor Receptor–mutant Metastatic Non-small Cell Lung Cancer: a Clinical Retrospective Study 表皮生长因子受体突变型转移性非小细胞肺癌癌症中的阿法替尼：临床回顾性研究

IF 0.1 4区医学

Hong Kong Journal of Radiology Pub Date : 2022-09-26 DOI: 10.12809/hkjr2217459

Dyl Chow, T. So, D. Leung, R. Tse, K. Lau

引用次数: 0

Single-centre Initial Experience of Transradial Access for Abdominal Interventional Radiology 腹部介入放射学经放射通路的单中心初步经验

IF 0.1 4区医学

Hong Kong Journal of Radiology Pub Date : 2022-09-26 DOI: 10.12809/hkjr2217400

Mc Lee, Y. Wong, Acw Lee, H. Fung, Jb Chiang, C. Kwok, Lf Chiu

引用次数: 0