Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes最新文献_第5页

CT Imaging of the Pancreas: A Review of Current Developments and Applications.

IF 2.9 3区医学

Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes Pub Date : 2025-02-22 DOI: 10.1177/08465371251319965

Maxime Barat, Joël Greffier, Salim Si-Mohamed, Anthony Dohan, Anna Pellat, Julien Frandon, Paul Calame, Philippe Soyer

{"title":"CT Imaging of the Pancreas: A Review of Current Developments and Applications.","authors":"Maxime Barat, Joël Greffier, Salim Si-Mohamed, Anthony Dohan, Anna Pellat, Julien Frandon, Paul Calame, Philippe Soyer","doi":"10.1177/08465371251319965","DOIUrl":"10.1177/08465371251319965","url":null,"abstract":"Pancreatic cancer continues to pose daily challenges to clinicians, radiologists, and researchers. These challenges are encountered at each stage of pancreatic cancer management, including early detection, definite characterization, accurate assessment of tumour burden, preoperative planning when surgical resection is possible, prediction of tumour aggressiveness, response to treatment, and detection of recurrence. CT imaging of the pancreas has made major advances in recent years through innovations in research and clinical practice. Technical advances in CT imaging, often in combination with imaging biomarkers, hold considerable promise in addressing such challenges. Ongoing research in dual-energy and spectral photon-counting computed tomography, new applications of artificial intelligence and image rendering have led to innovative implementations that allow now a more precise diagnosis of pancreatic cancer and other diseases affecting this organ. This article aims to explore the major research initiatives and technological advances that are shaping the landscape of CT imaging of the pancreas. By highlighting key contributions in diagnostic imaging, artificial intelligence, and image rendering, this article provides a comprehensive overview of how these innovations are enhancing diagnostic precision and improving outcome in patients with pancreatic diseases.","PeriodicalId":55290,"journal":{"name":"Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes","volume":" ","pages":"8465371251319965"},"PeriodicalIF":2.9,"publicationDate":"2025-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143477150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Cancers Detected on Supplemental Breast Ultrasound in Women With Dense Breasts: Update From a Canadian Centre. 乳房致密女性辅助乳腺超声检查发现的癌症：加拿大中心的最新情况。

IF 2.9 3区医学

Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes Pub Date : 2025-02-21 DOI: 10.1177/08465371251318578

Paula B Gordon, Linda J Warren, Jean M Seely

{"title":"Cancers Detected on Supplemental Breast Ultrasound in Women With Dense Breasts: Update From a Canadian Centre.","authors":"Paula B Gordon, Linda J Warren, Jean M Seely","doi":"10.1177/08465371251318578","DOIUrl":"10.1177/08465371251318578","url":null,"abstract":"Objective: Breast ultrasound is one of several tools proposed for supplemental screening of women with dense breasts but is not widely available in Canada. Methods: An IRB-approved, evaluation of ultrasound-guided breast biopsies prompted by screening breast ultrasound performed from August 1, 2021, to December 31, 2022, offered to asymptomatic women with category C and D breast tissue density after normal screening mammography (2D) in the provincial organized screening program, or surveillance diagnostic mammography after breast cancer. Risk factors, stage (AJCC 8th ed), incremental cancer detection rate (ICDR), biopsy rates, and positive predictive values for biopsy (PPV3) were evaluated. Results: 5257 women were screened, yielding 247 women (ages 34-82, median age of 56) who underwent biopsies (281 masses), 32 of whom were diagnosed with breast cancer, 27 invasive and 5 DCIS for PPV3 13.0% (32/247), and ICDR 6.1/1000. Ductal cancers found were stage 0 in 5/32 (15.6%), stage 1A in 18/32 (56.3%), and stage 1B in 2/32 (6.3%), 1 ductal/lobular cancer was stage 3B (3.1%), 5 lobular cancers (16.6%) were stage 1A (1), 1B (2), and 2B (2) and 1 adenoid cystic carcinoma was stage 2A (3.1%); 3 cancers were found on incident and 29 on prevalent screens, 27 (84.4%) in category c and 20 (62.5%) in women with no personal or first-degree family history of breast cancer. Conclusion: A high ICDR for screening breast ultrasound of 6.1/1000 was found. Clinical Relevance Statement: In women with dense breasts screened with 2D mammography where access to supplemental screening with MRI and contrast mammography is limited, supplemental screening ultrasound can play a significant role in cancer detection with a high ICDR in women in both category c and d densities that is higher than in jurisdictions offering annual screening mammography, or where MRI is used for surveillance after cancer.","PeriodicalId":55290,"journal":{"name":"Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes","volume":" ","pages":"8465371251318578"},"PeriodicalIF":2.9,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143470010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Equity in Radiology Research Is Essential for Improving Diversity and Inclusivity in Clinical Data, Reducing Bias and Increasing Artificial Intelligence Accuracy.

IF 2.9 3区医学

Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes Pub Date : 2025-02-19 DOI: 10.1177/08465371251322365

Sonali Sharma, Cornelia Laule, Michael N Patlas, Charlotte J Yong-Hing

引用次数: 0

Applications of Artificial Intelligence in Acute Thoracic Imaging.

IF 2.9 3区医学

Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes Pub Date : 2025-02-19 DOI: 10.1177/08465371251322705

Hayley Briody, Kate Hanneman, Michael N Patlas

引用次数: 0

Supplemental Screening for Breast Cancer and Implementation.

IF 2.9 3区医学

Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes Pub Date : 2025-02-19 DOI: 10.1177/08465371251322076

Zina Kellow, Jean M Seely

引用次数: 0

A Friend in Need is a Friend Indeed: FDG PET/CT Prior to CT-Guided Transthoracic Core Needle Biopsy.

IF 2.9 3区医学

Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes Pub Date : 2025-02-07 DOI: 10.1177/08465371251317468

Patrik Rogalla, Jonatas Favero Prietto Dos Santos, Felipe A Sanchez Tijmes, Farah Cadour

引用次数: 0

CAR/CETARS/CSAR Practice Guideline on Imaging the Adult Patient With Right Lower Quadrant Pain. CAR/CETARS/CSAR 对右下腹疼痛的成人患者进行成像的实践指南。

IF 2.9 3区医学

Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes Pub Date : 2025-02-01 Epub Date: 2024-07-27 DOI: 10.1177/08465371241266568

Tanya Chawla, Prasaanthan Gopee-Ramanan, Courtney R Green, Angus Hartery, Zahra Kassam, Nicolas Murray, Kim-Nhien Vu, Iain D C Kirkpatrick

{"title":"CAR/CETARS/CSAR Practice Guideline on Imaging the Adult Patient With Right Lower Quadrant Pain.","authors":"Tanya Chawla, Prasaanthan Gopee-Ramanan, Courtney R Green, Angus Hartery, Zahra Kassam, Nicolas Murray, Kim-Nhien Vu, Iain D C Kirkpatrick","doi":"10.1177/08465371241266568","DOIUrl":"10.1177/08465371241266568","url":null,"abstract":"In 2023, the Canadian Society of Abdominal Radiology (CSAR) and Canadian Emergency, Trauma, and Acute Care Radiology Society (CETARS) received Canadian Association of Radiologists (CAR) member feedback that there was an unmet educational need for guidance in the imaging investigation of right lower quadrant (RLQ) pain. Members requested specific guidance on how to handle controversial scenarios including which test to order when, specifics of imaging protocols, and managing pregnant patients who have RLQ pain-all from a Canadian perspective. After conducting an exhaustive literature review, the working group agreed that a Canadian-specific set of guidelines was warranted. The management recommendations presented in this guideline were discussed as a group to achieve expert consensus. As the workup for RLQ pain can vary considerably in the paediatric population, the scope of this paper was restricted to adults (18 years of age or older). Whenever possible, the best evidence was used to inform the clinical guidance, and where gaps existed, the guidelines reflect consensus among experts in the field. The result is a framework to aid in this process of managing patients with RLQ pain across various clinical scenarios while addressing current questions and controversies, particularly those most relevant to the Canadian healthcare system.","PeriodicalId":55290,"journal":{"name":"Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes","volume":" ","pages":"33-43"},"PeriodicalIF":2.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141768029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

CARJ Outstanding Reviewers Awards for 2024. 2024年CARJ杰出评论家奖。

IF 2.9 3区医学

Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes Pub Date : 2025-02-01 Epub Date: 2024-09-25 DOI: 10.1177/08465371241288415

Michael N Patlas

引用次数: 0

Limited Utility of Dynamic Contrast Enhancement Imaging Sequences Within the PI-RADS v2.1 Classification Scheme: A Retrospective Cross-Sectional Study of MRI Reports. 动态对比度增强成像序列在 PI-RADS v2.1 分类方案中的作用有限：核磁共振成像报告的回顾性横断面研究。

IF 2.9 3区医学

Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes Pub Date : 2025-02-01 Epub Date: 2024-08-28 DOI: 10.1177/08465371241267984

Mitchell Wagner, Karim Samji

{"title":"Limited Utility of Dynamic Contrast Enhancement Imaging Sequences Within the PI-RADS v2.1 Classification Scheme: A Retrospective Cross-Sectional Study of MRI Reports.","authors":"Mitchell Wagner, Karim Samji","doi":"10.1177/08465371241267984","DOIUrl":"10.1177/08465371241267984","url":null,"abstract":"Background/Objective: We sought to characterize the proportion of peripheral zone lesions \"upgraded\" within the PI-RADS v2.1 protocol using DCE imaging sequences in a large patient population undergoing multiparametric prostate MRI. Methods: A retrospective review of radiologist reports for 2742 prostate MRI exams at 2 large Alberta teaching hospitals between January 2017 and January 2022 was conducted. Prostate specific antigen (PSA), prostate volume, sequence specific and overall PI-RADS scores, and lesion positivity for DCE were collected if present in the accompanying radiology report. Further, pathology reports of biopsies of the upgraded lesions within upgraded patients were reviewed to see if upgraded lesions were deemed clinically significant by gleason score/grade group. Results: The median age was 63 years, with a median PSA and PSA density of 7.5 ng/mL and 0.13 ng/mL2 respectively. A total of 1809 lesions were reported, with 69.4% of all lesions being DCE positive. Of the lesions within the peripheral zone, 548 were overall PI-RADS 4. A total of 87/2742 (3.2%) of patients were upgraded to a PI-RADS 4 by DCE imaging. Within these patients, 65 had pathology reports available, of which 18 had a clinically significant lesion at the upgrade site. Conclusion: Contrast enhancement is only beneficial for a very small portion of patients undergoing prostate MRI. Given the invasive nature of contrast enhanced studies, potential contrast induced side effects, added imaging time, and the cost of contrast agent, routine use of contrast for prostate MRI is questioned. Further studies are necessary to determine if it should be part of routine prostate MRI imaging protocols.","PeriodicalId":55290,"journal":{"name":"Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes","volume":" ","pages":"87-93"},"PeriodicalIF":2.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142094133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Peripartum Cardiomyopathy is Associated With Abnormalities of Myocardial Deformation and Late Gadolinium Enhancement. 围产期心肌病与心肌变形异常和晚期钆增强有关。

IF 2.9 3区医学

Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes Pub Date : 2025-02-01 Epub Date: 2024-09-06 DOI: 10.1177/08465371241268426

Jacques Du Plessis, Rahul Gujrathi, Magdi Hassanin, Hayley McKee, Kate Hanneman, Gauri Rani Karur, Victor Chan, Will Warnica, Rachel M Wald, Elsie T Nguyen

{"title":"Peripartum Cardiomyopathy is Associated With Abnormalities of Myocardial Deformation and Late Gadolinium Enhancement.","authors":"Jacques Du Plessis, Rahul Gujrathi, Magdi Hassanin, Hayley McKee, Kate Hanneman, Gauri Rani Karur, Victor Chan, Will Warnica, Rachel M Wald, Elsie T Nguyen","doi":"10.1177/08465371241268426","DOIUrl":"10.1177/08465371241268426","url":null,"abstract":"Purpose: Peripartum cardiomyopathy (PPCM) affects women in late pregnancy and postpartum. Cardiovascular magnetic resonance (CMR) can contribute to PPCM diagnosis and management. We explored CMR findings in PPCM, including myocardial strain and late gadolinium enhancement (LGE) patterns. Materials and Methods: This retrospective single-centre study included patients with PPCM who underwent CMR from 2010 to 2018. Exclusions were other cardiomyopathy causes. CMR parameters, including ventricular function, LGE, and myocardial strain, were compared between the PPCM group and healthy controls. Transthoracic echocardiographic data were reviewed to assess functional improvement in PPCM patients. Results: Thirty-two women with PPCM (mean age 42 ± 6 years) and 26 controls (mean age 43 ± 14 years) were included. PPCM patients had significantly lower left ventricular (LV) ejection fractions (median 37.5% vs 60.5%, P < .001), higher LV end-diastolic volumes (median 108 ml/m² vs 76 ml/m², P < .001), and reduced global LV strain compared to controls. Eighteen PPCM patients (58%) had non-ischaemic pattern LGE, with no LGE in controls besides hingepoint LGE (23%). LGE was most prevalent in the basal and mid anteroseptum. LGE patterns included linear mid-wall, subepicardial, and right ventricular side of the septum. Twenty-four patients (92%) showed improvement in LVEF at follow-up echocardiogram (mean LVEF 28% ± 1.9% at diagnosis and 45% ± 3% at follow-up, P < .001). Conclusion: We identified a non-ischaemic pattern LGE that is nonspecific in isolation but could suggest PPCM in the correct clinical context along with abnormal CMR strain values. Future studies should evaluate the clinical application of these findings to facilitate earlier diagnosis and enhance management.","PeriodicalId":55290,"journal":{"name":"Canadian Association of Radiologists Journal-Journal De L Association Canadienne Des Radiologistes","volume":" ","pages":"153-160"},"PeriodicalIF":2.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142141866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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