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Glove Phenomenon Detected by Total-Body PET/CT With 68 GA-DOTATATE.
Clin Nucl Med
December 2024
From the Department of Radiology, University of California Davis, Sacramento, CA.
Accidental intra-arterial injections of radiotracers are rare events resulting in a specific imaging pattern, described as "hot-forearm," "hot-hand," "glove-phenomenon," or "glove-like pattern." We present a case 68 Ga-DOTATATE total-body PET/CT for restaging of a neuroendocrine tumor, where intra-arterial misinjection resulted in a glove phenomenon. Since patients may present with minimal symptoms, like in this case, and PET findings may only be seen at the distal upper extremity (placed above the head), these accidental injections may be more frequently detected with total-body PET/CT due to the longer field-of-view.
View Article and Find Full Text PDFImproving access to outpatient computed tomography.
Curr Probl Diagn Radiol
October 2024
Department of Imaging Sciences, University of Rochester Medical Center, 601 Elmwood Ave, Rochester, NY 14624, USA. Electronic address:
Article Synopsis
- The demand for diagnostic imaging services in the U.S. surged in 2022, leading to a scheduling backlog that increased the average interval from 2 weeks to 6 weeks.
- A quality improvement initiative aimed to cut this interval to 10 days by January 2023, implementing strategies like double-booking slots and standardizing protocols, which ultimately reduced the interval to 3 days.
- These interventions not only raised examination volumes by 19% (adding about $1.6 million in revenue) but also maintained consistent appointment delays, receiving positive feedback from staff.
Multi-center external validation of an automated method segmenting and differentiating atypical lipomatous tumors from lipomas using radiomics and deep-learning on MRI.
EClinicalMedicine
October 2024
Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, the Netherlands.
Article Synopsis
- A study validated a radiomics model that uses MRI imaging to differentiate between lipomas and atypical lipomatous tumors (ALTs), addressing challenges associated with traditional biopsy methods.
- Three cohorts were analyzed: two for external validation from the US and UK and one for prospective validation from the Netherlands, utilizing automatic and interactive segmentation methods for tumor imaging.
- The model demonstrated strong performance with area under the curve (AUC) scores ranging from 0.74 to 0.89, matching or exceeding the diagnostic abilities of expert radiologists.
Breast Cryoablation, From the "How We Do It" Special Series.
AJR Am J Roentgenol
April 2024
Department of Diagnostic Imaging, Brown University, Warren Alpert Medical School.
Breast cryoablation is a minimally invasive image-guided percutaneous procedure to treat fibroadenomas and early-stage breast cancer utilizing liquid nitrogen or argon gas to create extremely cold temperatures that devitalize targeted tissue. Although more long term data are needed, this outpatient procedure is well tolerated and carries minimal risks, including non-target thermal injury that can be mitigated by careful planning and proper technique. Building a sustainable breast cryoablation service in a radiology practice poses several practical considerations, such as training proceduralists, purchasing equipment, recruiting patients, and understanding the revenue cycle.
View Article and Find Full Text PDFUnlocking the Value: Quantifying the Return on Investment of Hospital Artificial Intelligence.
J Am Coll Radiol
October 2024
Project Leader HEOR, Radiology & Digital, Bayer, Berlin, Germany.
Purpose: A comprehensive return on investment (ROI) calculator was developed to evaluate the monetary and nonmonetary benefits of an artificial intelligence (AI)-powered radiology diagnostic imaging platform to inform decision makers interested in adopting AI.
Methods: A calculator was constructed to calculate comparative costs, estimated revenues, and quantify the clinical value of using an AI platform compared with no use of AI in radiology workflows of a US hospital over a 5-year time horizon. Parameters were determined on the basis of expert interviews and a literature review.
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