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Clinical feasibility of MRI-guided in-bore prostate biopsies at 0.55T.
Abdom Radiol (NY)
January 2025
University of Michigan, Ann Arbor, USA.
Objective: In-bore MRI-guided biopsy allows direct visualization of suspicious lesions, biopsy needles, and trajectories, allowing accurate sampling when MRI-ultrasound fusion biopsy is not feasible. However, its use has been limited. Wide-bore, lower-field, and lower-cost scanners could help address these issues, but their feasibility for prostate biopsy is unknown.
View Article and Find Full Text PDFCommissioning of the Varian universal interstitial cylinder system for HDR brachytherapy of gynecological cancer.
J Appl Clin Med Phys
December 2024
Department of Radiation Oncology, Duke University, Durham, North Carolina, USA.
Purpose: This paper outlines the commissioning of the Varian (VMS, Varian Medical Systems, Palo Alto, CA) Universal Interstitial Cylinder (UIC) applicator set for Ir-192 HDR brachytherapy. The UIC was commissioned for use with CT and MRI and a custom phantom was designed to avoid the introduction of water-like materials into the needle guide tracks. Various marker strands were investigated to determine which allowed the most accurate reconstruction of source positions.
View Article and Find Full Text PDFAbsorbable Haemostatic Artefacts as a Diagnostic Challenge in Postoperative Follow-Up After Oncological Resection in Head and Neck Tumours: Systematic Review of Current Literature and Two Case Reports.
Diagnostics (Basel)
November 2024
Head and Neck Department, Azienda Ospedaliera Universitaria Integrata di Verona, Piazzale Aristide Stefani 1, 37126 Verona, Italy.
This article aims to define the clinical, radiological, and pathological characteristics of non-resorbed oxidised cellulose-induced pseudotumours to raise awareness among surgeons and radiologists, to prevent misdiagnosis, and avoid unnecessary invasive procedures and delays in adjuvant oncological treatments. A systematic review of oxidised resorbable cellulose (ORC)-induced pseudotumours of the head and neck was conducted following PRISMA 2020 guidelines. Articles were retrieved from PubMed, Scopus, Cochrane, and Web of Science.
View Article and Find Full Text PDFAn Artifact in Concentric Needle EMG Recordings.
Muscle Nerve
February 2025
Medical College of Wisconsin, Milwaukee, Wisconsin, USA.
Introduction/aims: In healthy subjects, we observed high amplitude motor unit potential (MUP) waveforms that resembled the cannula potential (CP) with a positive sharp wave (PSW)-like waveform. We analyzed the source of this signal, its prevalence, and its effects on the analysis of electromyographic waveforms.
Methods: Three channel recordings were performed to explore the contribution of the needle core and cannula to the MUP.
Comparison of diagnostic yield and safety of endobronchial ultrasound-guided mediastinal lymph nodal cryobiopsy and endobronchial ultrasound-guided Franseen tip needle biopsy.
Monaldi Arch Chest Dis
December 2024
Department of Pathology, Yashoda Super Speciality Hospitals, Hitec City, Hyderabad.
In this prospective study, we evaluated the diagnostic yield and safety of two endobronchial ultrasound (EBUS) biopsy techniques - mediastinal cryobiopsy (EBUS-MCB) and Franseen tip needle biopsy (EBUS-ANB) - in patients with undiagnosed mediastinal lymphadenopathy. The study included 30 patients who underwent both EBUS-MCB and EBUS-ANB, with four biopsies taken from each patient using both methods. The results demonstrated that EBUS-MCB provided a higher diagnostic yield (96.
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