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Colocalization of Ellipsoid Zone Disruption With Capillary Nonperfusion in Different Retinal Vascular Layers and Choriocapillaris on En Face OCT of Diabetic Patients.
Microcirculation
January 2025
Eye Research Center, The Five Senses Health Institute, Moheb Kowsar Hospital, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
Purpose: To assess the colocalization of ellipsoid zone (EZ) disruption with nonperfusion in choriocapillaris (CC), retinal superficial capillary plexus (SCP), and deep capillary plexus (DCP) in diabetic patients using en face optical coherence tomography (OCT) and OCT angiography (OCTA).
Methods: Macular OCT and OCTA scans (3 × 3 mm) of 41 patients with diabetic retinopathy were obtained using an RTVue XR Avanti instrument. After correcting the shadow artifacts, EZ integrity was assessed in the en face OCT slab using the Gaussian mixture model clustering method compared with the corresponding EZ en face OCT of 11 age-matched normal patients.
First linac-mounted photon counting detector for image guided radiotherapy: Planar image quality characterization.
Med Phys
November 2024
Centre for Medical Radiation Physics, University of Wollongong, Wollongong, NSW, Australia.
Article Synopsis
- The study explores the development of a linac-mounted photon-counting detector (PCD) for image-guided radiotherapy (IGRT) that could significantly enhance imaging by improving soft-tissue contrast and spatial resolution compared to traditional flat panel detectors (FPDs).
- Researchers characterized the image quality of the PCD, focusing on parameters like 2D spatial resolution, noise, and contrast, by comparing it with an FPD using various imaging techniques and calibration methods.
- Results showed that the PCD provides a linear energy calibration and better raw contrast in images, suggesting its potential for improved tumor delineation in radiation therapy applications.
Morphing of the Frontal View: Rhinoplasty as a Surface Contour Operation.
Facial Plast Surg
January 2025
Department of Nasal Plastic Surgery, Face Clinic, Milan, Italy.
Article Synopsis
- Frontal view morphing using chiaroscuro techniques enhances pre-operative consultations in rhinoplasty, helping surgeons explain potential outcomes by accurately representing light and shadow on nasal structures.
- In a study involving 126 patients, the morphing process included photo analysis during consultations, leading to higher patient satisfaction post-surgery compared to pre-operative simulations.
- The chiaroscuro concept is crucial in creating realistic surgical plans and serves as an effective educational tool for young surgeons during preoperative consultations.
Corrected partial anomalous pulmonary vein connection associated with lung resection: a case report.
Surg Case Rep
November 2024
Department of Cardiovascular Surgery, Kumamoto University Hospital, 1-1-1, Honjo, Chuo-Ku, Kumamoto, 860-8556, Japan.
Article Synopsis
- Partial anomalous pulmonary venous connection (PAPVC) can complicate lung surgeries like lobectomy and pose risks during operations, such as sudden circulatory failure.
- A 66-year-old man diagnosed with lung adenocarcinoma underwent a left lower lobectomy while correcting a PAPVC that diverted the left upper pulmonary vein to the left brachiocephalic vein instead of the left atrium.
- The surgery was successful, with postoperative imaging showing no complications, highlighting the importance of understanding PAPVC in similar clinical cases.
Pupillary Peaking & Presence of Dysphotopsias Following Glaucoma Tube Shunt Surgery.
Semin Ophthalmol
October 2024
Institute of Ophthalmology & Visual Science, Rutgers New Jersey Medical School, Newark, NJ, USA.
Purpose: To describe the presence of pupillary peaking and dysphotopsias in a sample of eyes following glaucoma drainage device (GDD) surgery.
Methods: Cross-sectional analysis of 68 glaucoma patients with GDD, 45 patients with glaucoma and no GDD, and 50 control patients was conducted in a single academic center. Patients with an appropriate diagnosis that met the inclusion criteria were asked to enroll in the study.
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