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Purpose: T1-weighted signal intensity ratios (SIR) comparing pancreas to spleen (SIRps) or muscle (SIRpm) can semiquantitatively assess T1 signal change associated with pancreatitis. However, there is no standardized methodology for generating these ratios. We set out to determine the impact of MRI sequence as well as region of interest (ROI) location, shape, and size on T1 SIR.
View Article and Find Full Text PDFComparison of CT-like MRI sequences for preoperative planning of cochlear implantation using super-high-resolution CT as a reference.
Eur Radiol Exp
January 2025
Guilloz Imaging Department, Central Hospital, University Hospital Center of Nancy, 29 Avenue du Marechal de Lattre de Tassigny, 54000, Nancy, France.
Background: We evaluated the accuracy of magnetic resonance imaging (MRI) computed tomography (CT)-like sequences compared to normal-resolution CT (NR-CT) and super-high-resolution CT (SHR-CT) for planning of cochlear implantation.
Methods: Six cadaveric temporal bone specimens were used. 3-T MRI scans were performed using radial volumetric interpolated breath-hold (STARVIBE), pointwise-encoding time reduction with radial acquisition (PETRA), and ultrashort time of echo (UTE) sequences.
Multi-Modality Imaging in Caseous Calcification of the Mitral Annulus: Case Series and Clinical Implications.
Am J Case Rep
November 2024
Clinical Department of Cardiology, Interventional Electrocardiology and Hypertension, University Hospital, Cracow, Poland.
BACKGROUND Echogenic masses in the mitral annulus are often incidental findings during routine echocardiography examinations. Most represent the wide spectrum of underlying mitral annular calcifications and usually do not require further diagnostic workup. However, a rare variant called "caseous calcification of the mitral annulus" (CCMA) can be challenging to diagnose and often requires an extensive workup with the use of multiple imaging studies in order to accurately confirm the pathology.
View Article and Find Full Text PDFAssociation of clinicopathologic and sonographic features with stromal tumor-infiltrating lymphocytes in triple-negative breast cancer.
BMC Cancer
August 2024
Department of Radiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
Background: Increased level of stromal tumor-infiltrating lymphocytes (sTILs) are associated with therapeutic outcomes and prognosis in triple-negative breast cancer (TNBC). This study aimed to investigate the associations of clinicopathologic and sonographic features with sTILs level in TNBC.
Methods: This study included invasive TNBC patients with postoperative evaluation of sTILs after surgical resection.
Splenic abscess secondary to COVID-19 acute infection: A case report and literature review.
Medicine (Baltimore)
August 2024
Medical Department, 305 Hospital of People's Liberation Army, Beijing, People's Republic of China.
Rationale: Splenic abscess is relatively rare in clinical practice as an invasive disease. However, during the continuous prevalence of coronavirus disease 2019 (COVID-19), the incidence rate of splenic abscess showed an upward trend. However, because the etiology of splenic abscess is not specific, it is easy to be covered by the respiratory symptoms of COVID-19, resulting in omission or delay in diagnosis.
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