journal
https://read.qxmd.com/read/37261441/distribution-of-prostate-specific-membrane-antigen-psma-on-pet-mri-in-patients-with-and-without-ovarian-cancer
#1
JOURNAL ARTICLE
Elizabeth A Sadowski, Brittany Lees, Alan B McMillian, Joanna E Kusmirek, Steve Y Cho, Lisa M Barroilhet
OBJECTIVES: Ovarian cancer is the most lethal cancer and future research needs to focus on the early detection and exploration of new therapeutic agents. The objectives of this proof-of-concept study are to assess the feasibility of PSMA 18F-DCFPyl PET/MR imaging for detecting ovarian cancer and to evaluate the PSMA distribution in patients with and without ovarian cancer. METHODS: This prospective pilot proof-of-concept study in patients with and without ovarian cancers occurred between October 2017 and January 2020...
June 1, 2023: Abdominal Radiology
https://read.qxmd.com/read/37256331/second-opinion-interpretation-of-outside-facility-general-ultrasound-studies-rate-of-discrepancies-and-management-change
#2
JOURNAL ARTICLE
Amanda L Mehrsheikh, Benjamin S Strnad, Anup S Shetty, Malak Itani
BACKGROUND: Second-opinion reads on imaging studies are common for CT and MRI, but many institutions are hesitant to implement a workflow for second read of ultrasound studies performed at other facilities due to quality considerations. OBJECTIVE: The purpose of this study was to assess discrepancy rates between initial and second-opinion general ultrasound reports METHODS: We reviewed all requests of second-opinion US studies referred to our tertiary care center between 02/01/2020 and 06/23/2022...
May 31, 2023: Abdominal Radiology
https://read.qxmd.com/read/37256330/ultrasound-based-radiomics-analysis-in-the-assessment-of-renal-fibrosis-in-patients-with-chronic-kidney-disease
#3
JOURNAL ARTICLE
Ziman Chen, Michael Tin Cheung Ying, Yingli Wang, Jiaxin Chen, Chaoqun Wu, Xinyang Han, Zhongzhen Su
PURPOSE: Assessment of renal fibrosis non-invasively in chronic kidney disease (CKD) patients is still a clinical challenge. In this study, we aimed to establish a radiomics model integrating radiomics features derived from ultrasound (US) images with clinical characteristics for the assessment of renal fibrosis severity in CKD patients. METHODS: A total of 160 patients with CKD who underwent kidney biopsy and renal US examination were prospectively enrolled. Patients were classified into the mild or moderate-severe fibrosis group based on pathology results...
May 31, 2023: Abdominal Radiology
https://read.qxmd.com/read/37246973/inter-observer-agreement-and-accuracy-of-li-rads-v2018-for-differentiating-tumor-in-vein-from-bland-thrombus-using-gadoxetic-acid-enhanced-magnetic-resonance-imaging
#4
JOURNAL ARTICLE
Shintaro Ichikawa, Claude B Sirlin, Guilherme Moura Cunha, Tanya Wolfson, Kathryn J Fowler, Hiroyuki Morisaka, Kojiro Onohara, Tatsuya Shimizu, Yoshie Omiya, Hiroki Sugiyama, Akihiro Okumura, Hiroshi Onishi
PURPOSE: To assess inter-observer agreement and accuracy of LI-RADS v2018 for differentiating tumor in vein (TIV) from bland thrombus on gadoxetic acid-enhanced magnetic resonance imaging (Gx-MRI). Secondarily, to determine whether a multi-feature model improves accuracy compared to LI-RADS. METHODS: We retrospectively identified consecutive patients at risk for hepatocellular carcinoma with venous occlusion(s) reported on Gx-MRI. Five radiologists independently classified each occlusion as TIV or bland thrombus using the LI-RADS TIV criterion (enhancing soft tissue in vein)...
May 29, 2023: Abdominal Radiology
https://read.qxmd.com/read/37237155/magnetic-resonance-elastography-derived-stiffness-potential-imaging-biomarker-for-differentiation-of-benign-and-malignant-pancreatic-masses
#5
JOURNAL ARTICLE
Dingxia Liu, Jiejun Chen, Yunfei Zhang, Yongming Dai, Xiuzhong Yao
OBJECTIVE: This study sought to determine the diagnostic performance of magnetic resonance elastography (MRE) for pancreatic solid masses, compared with diffusion-weighted imaging (DWI) and serum CA19-9, to establish a threshold for differentiating between pancreatic ductal adenocarcinoma (PDAC) and benign tumors in pancreas. MATERIALS AND METHODS: Between July 2021 to January 2023, 75 adult patients confirmed with pancreatic solid tumors were enrolled in this prospective and consecutive study...
May 26, 2023: Abdominal Radiology
https://read.qxmd.com/read/37233747/the-adoption-of-li-rads-a-survey-of-non-academic-radiologists
#6
JOURNAL ARTICLE
Robert M Marks, Alice Fung, Irene Cruite, Kasina Blevins, Tasneem Lalani, Natally Horvat, Zenon Protopapas, Humaira Chaudhry, Bijan Bijan, Masoud Shiehmorteza, Pankaj Nepal, An Tang
PURPOSE: To understand the practice and determinants of non-academic radiologists regarding LI-RADS and the four current LI-RADS algorithms: CT/MRI, contrast-enhanced ultrasound (CEUS), ultrasound (US), and CT/MRI Treatment Response. MATERIALS AND METHODS: Seven themes were covered in this international survey, as follows: (1) demographics of participants and sub-specialty, (2) HCC practice and interpretation, (3) reporting practice, (4) screening and surveillance, (5) HCC imaging diagnosis, (6) treatment response, and (7) CT and MRI technique...
May 26, 2023: Abdominal Radiology
https://read.qxmd.com/read/37231220/correction-to-comparison-of-diffusion%C3%A2-weighted-imaging-and-mr-elastography-in-staging-liver-fibrosis-a-meta%C3%A2-analysis
#7
Weon Jang, Seongil Jo, Ji Soo Song, Hong Pil Hwang, Seong-Hun Kim
No abstract text is available yet for this article.
May 26, 2023: Abdominal Radiology
https://read.qxmd.com/read/37222771/development-of-a-deep-learning-model-for-classification-of-li-rads-major-features-by-using-subtraction-images-of-mri-a-preliminary-study
#8
JOURNAL ARTICLE
Junghoan Park, Jae Seok Bae, Jong-Min Kim, Joseph Nathanael Witanto, Sang Joon Park, Jeong Min Lee
PURPOSE: Liver Imaging Reporting and Data System (LI-RADS) is limited by interreader variability. Thus, our study aimed to develop a deep-learning model for classifying LI-RADS major features using subtraction images using magnetic resonance imaging (MRI). METHODS: This single-center retrospective study included 222 consecutive patients who underwent resection for hepatocellular carcinoma (HCC) between January, 2015 and December, 2017. Subtraction arterial, portal venous, and transitional phase images of preoperative gadoxetic acid-enhanced MRI were used to train and test the deep-learning models...
May 24, 2023: Abdominal Radiology
https://read.qxmd.com/read/37221342/key-clinical-trials-in-rectal-cancer-shaping-the-current-treatment-paradigms-reference-guide-for-radiologists
#9
REVIEW
Viktoriya Paroder, Tyler J Fraum, Stephanie Nougaret, Iva Petkovska, Gaiane M Rauch, Harmeet Kaur
Total neoadjuvant therapy (TNT), which includes chemotherapy and radiation prior to surgical resection, has been recently accepted as the new standard of care for patients with locally advanced low and mid rectal cancers. Multiple clinical trials have evaluated this approach in the last several decades and demonstrated improvement in, local control and reduced risk of recurrence. In addition, in the course of these investigations, it has been shown that between a third and a half of patients experience a clinical complete response (cCR) after being treated with the TNT approach, leading to the development of new organ preservation protocol, now known as watch-and-wait (W&W)...
May 23, 2023: Abdominal Radiology
https://read.qxmd.com/read/37212853/microwave-ablation-of-the-t1a-small-renal-mass-expanding-beyond-3%C3%A2-cm
#10
JOURNAL ARTICLE
Jessica Qiu, Christopher Ballantyne, Clint Yeaman, Moritz Lange, John Morgan, J Patrick Mershon, Iman Richie, Anthony DeNovio, Matthew B Clements, Tracey L Krupski, Noah Schenkman, Jennifer M Lobo
PURPOSE: To compare the oncological and renal function outcomes for patients receiving microwave ablation (MWA) in tumors < 3 and 3-4 cm. METHODS: Retrospective analysis of a prospectively maintained database identified patients with < 3 or 3-4 cm renal cancers undergoing MWA. Radiographic follow-up occurred at approximately 6 months post-procedure and annually thereafter. Serum creatinine and estimated glomerular filtration rate (eGFR) were calculated before and 6-months post-MWA...
May 22, 2023: Abdominal Radiology
https://read.qxmd.com/read/37212852/reply-to-letter-to-the-editor-early-vs-late-percutaneous-catheter-drainage-of-acute-necrotic-collections-in-patients-with-necrotizing-pancreatitis
#11
LETTER
Harsimran Bhatia, Pankaj Gupta
No abstract text is available yet for this article.
May 22, 2023: Abdominal Radiology
https://read.qxmd.com/read/37210407/dual-energy-ct-of-the-pancreas-comparison-between-virtual-non-contrast-images-and-true-non-contrast-images-in-the-detection-of-pancreatic-lesion
#12
JOURNAL ARTICLE
Hongwei Liang, Silin Du, Gaowu Yan, Yang Zhou, Tianyu Yang, Zhiwei Zhang, Chenyi Luo, Hongfan Liao, Yongmei Li
PURPOSE: To evaluate the image quality and diagnostic performance for pancreatic lesion between true non-contrast (TNC) and virtual non-contrast (VNC) images obtained from the dual-energy computed tomography (DECT). METHODS: One hundred six patients with pancreatic mass underwent contrast-enhanced DECT examinations were retrospectively included in this study. VNC images of the abdomen were generated from late arterial (aVNC) and portal (pVNC) phases. For quantitative analysis, the attenuation differences and reproducibility of abdominal organs were compared between TNC and aVNC/pVNC measurements...
May 20, 2023: Abdominal Radiology
https://read.qxmd.com/read/37208547/pelvic-organ-movements-in-asymptomatic-nulliparous-and-symptomatic-premenopausal-women-with-pelvic-organ-prolapse-in-dynamic-mri-a-feasibility-study-comparing-midsagittal-single-slice-with-multi-slice-sequences
#13
JOURNAL ARTICLE
Soleen Ghafoor, Stephan M Beintner-Skawran, Gian Stöckli, Cornelia Betschart, Cäcilia S Reiner
PURPOSE: To compare multi-slice (MS) MRI sequences of the pelvis acquired at rest and straining to dynamic midsagittal single-slice (SS) sequences for the assessment of pelvic organ prolapse (POP). METHODS: This IRB-approved prospective single-center feasibility study included 23 premenopausal symptomatic patients with POP and 22 asymptomatic nulliparous volunteers. MRI of the pelvis at rest and straining was performed with midsagittal SS and MS sequences. Straining effort, visibility of organs and POP grade were scored on both...
May 19, 2023: Abdominal Radiology
https://read.qxmd.com/read/37204510/the-efficacy-of-low-dose-ct-with-deep-learning-image-reconstruction-in-the-surveillance-of-incidentally-detected-pancreatic-cystic-lesions
#14
JOURNAL ARTICLE
Sungho Koh, Nam Kyung Lee, Suk Kim, Seung Baek Hong, Dong Uk Kim, Sung Yong Han
PURPOSE: To evaluate the efficacy of low-dose CT (LDCT) with deep learning image reconstruction (DLIR) for the surveillance of pancreatic cystic lesions (PCLs) compared with standard-dose CT (SDCT) with adaptive statistical iterative reconstruction (ASIR-V). METHODS: The study enrolled 103 patients who underwent pancreatic CT for follow-up of incidentally detected PCLs. The CT protocol included LDCT in the pancreatic phase with 40% ASIR-V, DLIR at medium (DLIR-M) and high levels (DLIR-H), and SDCT in the portal-venous phase with 40% ASIR-V...
May 19, 2023: Abdominal Radiology
https://read.qxmd.com/read/37204509/abdominal-visceral-tuberculosis-a-malignancy-mimic
#15
REVIEW
Chandan J Das, Nikita Rednam, Zainab Vora, Ankita Aggarwal, S H Chandrashekhara, Vikas Kundra
The purpose is to discuss abdominal tuberculosis mimicking malignancy involving the abdominal viscera. TB of the abdominal viscera is common, especially in countries where tuberculosis is endemic and in pockets of non-endemic countries. Diagnosis is challenging as clinical presentations are often non-specific. Tissue sampling may be necessary for definitive diagnosis. Awareness of the early and late disease imaging appearances of abdominal tuberculosis involving the viscera that can mimic malignancy can aid detecting TB, providing a differential diagnosis, assessing extent of spread, guiding biopsy, and evaluating response...
May 19, 2023: Abdominal Radiology
https://read.qxmd.com/read/37204508/scarred-for-life-a-review-of-cesarean-section-scar-pregnancy-and-potential-pitfalls-in-diagnosis
#16
REVIEW
Jennifer Huang, Catherine Phillips, Mariam Moshiri
Cesarean section scar pregnancy (CSSP) is defined as abnormal implantation of a gestational sac on or in a previous cesarean section scar. There is an increasing incidence of detection of CSSP, likely in part due to the growing rates of cesarean deliveries and the improved rates of detection with advancing ultrasound technology. Diagnosis of CSSP is critical due to the potentially life-threatening complications to the mother if left untreated. Pelvic ultrasound is the imaging modality of choice in the initial evaluation of suspected CSSP, with MRI potentially useful if ultrasound findings are equivocal, or if confirmation is requested prior to definitive intervention...
May 19, 2023: Abdominal Radiology
https://read.qxmd.com/read/37202642/predictive-role-of-radiomics-features-extracted-from-preoperative-cross-sectional-imaging-of-pancreatic-ductal-adenocarcinoma-in-detecting-lymph-node-metastasis-a-systemic-review-and-meta-analysis
#17
REVIEW
Mohammad Mirza-Aghazadeh-Attari, Seyedeh Panid Madani, Haneyeh Shahbazian, Golnoosh Ansari, Alireza Mohseni, Ali Borhani, Shadi Afyouni, Ihab R Kamel
Lymph node metastases are associated with poor clinical outcomes in pancreatic ductal adenocarcinoma (PDAC). In preoperative imaging, conventional diagnostic modalities do not provide the desired accuracy in diagnosing lymph node metastasis. The current review aims to determine the pooled diagnostic profile of studies examining the role of radiomics features in detecting lymph node metastasis in PDAC. PubMed, Google Scholar, and Embase databases were searched for relevant articles. The quality of the studies was examined using the Radiomics Quality Score and Quality Assessment of Diagnostic Accuracy Studies 2 (QUADAS-2) tools...
May 18, 2023: Abdominal Radiology
https://read.qxmd.com/read/37202641/risk-of-malignancy-in-t1-hyperintense-bosniak-version-2019-class-ii-and-iif-cystic-renal-masses
#18
JOURNAL ARTICLE
Luyao Shen, Justin R Tse, Simon Lemieux, Luke Yoon, Patrick C Mullane, Tie Liang, Matthew S Davenport, Ivan Pedrosa, Stuart G Silverman
BACKGROUND: Bosniak classification version 2019 includes cystic masses in class II and IIF based partly on their hyperintense appearance at T1-weighted MRI. The prevalence of malignancy in non-enhancing heterogeneously T1-hyperintense masses is unknown, nor whether the pattern of T1 hyperintensity affects malignancy likelihood. PURPOSE: To determine the malignancy proportion among six patterns of T1 hyperintensity within non-enhancing cystic renal masses. METHODS: This retrospective, single-institution study included 72 Bosniak class II and IIF, non-enhancing, T1-hyperintense cystic renal masses...
May 18, 2023: Abdominal Radiology
https://read.qxmd.com/read/37191757/recommendations-for-furthering-diversity-innovation-and-education-in-the-society-of-abdominal-radiology-strengthening-the-society-of-abdominal-radiology-diversity-innovation-and-education
#19
LETTER
https://read.qxmd.com/read/37191756/pet-mri-for-evaluation-of-patients-with-pancreatic-cancer
#20
REVIEW
Zoey N Duncan, David Summerlin, Janelle T West, Annie T Packard, Desiree E Morgan, Samuel J Galgano
Pancreatic cancers are the third leading cause of cancer-related death in the USA and outcomes remain poor despite improvements in imaging and treatment paradigms. Currently, computed tomography (CT) and magnetic resonance imaging (MRI) are frequently utilized for staging and restaging of these malignancies, but positron emission tomography (PET)/CT can play a role in troubleshooting and improve whole-body staging. PET/MRI is a novel imaging modality that allows for simultaneous acquisition of PET and MRI images, leading to improved image quality and potential increased sensitivity...
May 16, 2023: Abdominal Radiology
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