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Advances in imaging techniques have evolved, allowing for early noninvasive diagnosis and improved management of high-risk patients with hepatocellular carcinoma (HCC). The hallmark imaging features of HCC on multiphasic cross-sectional imaging can be explained by the multistep process of hepatocarcinogenesis and is seen in 60% of cases. However, approximately 40% of cases do not abide by the classic imaging appearance and may pose a diagnostic challenge for radiologists.
View Article and Find Full Text PDFTotal wrist arthroplasty: recent advances and current recommendations.
J Hand Surg Eur Vol
January 2025
Orthopaedic Department, Martina Hansens Hospital, Norway.
The latest generation of wrist arthroplasties provides good clinical function and pain relief with an acceptable revision/reoperation rate. The procedure is complex and technically demanding, both for the surgeon and the patient. The available implants (with the exception of one) have not been developed or refined in the last decade, which reduces the versatility and ability to adapt to specific patient anatomy, to manage implant/treatment problems and to perform successful revisions.
View Article and Find Full Text PDFLow-grade endometrial endometrioid carcinoma of the p53-abnormal group: case presentation and diagnostic issues.
Pathologica
October 2024
Pathology Unit, Department of Oncology, ASST Sette Laghi, Varese, Italy.
P53-abnormal endometrial carcinomas are high-grade and aggressive tumors which should be treated with chemo-/radiotherapy. In low-grade endometrioid carcinoma (LGEC), abnormal expression of p53 is an exceptional finding and is typically accompanied by patchy p16 positivity and diffuse hormone receptor expression. Herein, we report a case of LGEC exhibiting both p53 and p16 overexpression, highlighting the diagnostic pitfalls related to such phenotype.
View Article and Find Full Text PDFCT Angiography of the Upper Extremities: Review of Acute Arterial Entities.
Radiographics
January 2025
From the Mallinckrodt Institute of Radiology, Washington University in St. Louis School of Medicine, 510 S Kingshighway Blvd, St. Louis, MO 63110.
Historically, evaluation of the upper extremity vasculature was performed using digital subtraction angiography. With the advancement of cross-sectional imaging and submillimeter isotropic data acquisition, CT angiography (CTA) has become an excellent noninvasive diagnostic tool for evaluation of the vasculature of the upper extremities. CTA allows quick evaluation of vessel patency and irregularity and achievement of the anatomic detail needed in preoperative planning.
View Article and Find Full Text PDFUnderstanding Noninferiority Trials: What Stroke Specialists Should Know.
Stroke
January 2025
Department of Neurology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam Neuroscience, the Netherlands. (Y.B.W.E.M.R.).
Noninferiority trials aim to prove that the efficacy, defined in terms of a key clinical outcome, of a new treatment is not meaningfully worse than that of an established active control. Noninferiority trials are important when other aspects of care can be improved, such as convenience, toxicity, costs, and safety (nonefficacy benefits). While the motivation for a noninferiority trial is straightforward, the design, execution, and interpretation of these trials is not a trivial task.
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