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A review of state-of-the-art resolution improvement techniques in SPECT imaging.
EJNMMI Phys
January 2025
Department of Nuclear Medicine, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, 230001, Anhui, China.
Single photon emission computed tomography (SPECT), a technique capable of capturing functional and molecular information, has been widely adopted in theranostics applications across various fields, including cardiology, neurology, and oncology. The spatial resolution of SPECT imaging is relatively poor, which poses a significant limitation, especially the visualization of small lesions. The main factors affecting the limited spatial resolution of SPECT include projection sampling techniques, hardware and software.
View Article and Find Full Text PDFThe Role of Neck Ultrasonography and Nuclear Imaging in the Diagnosis of Congenital Hypothyroidism.
Indian J Endocrinol Metab
December 2024
Department of Endocrinology, Madurai Medical College and Govt. Rajaji Hospital, Madurai, Tamil Nadu, India.
Introduction: Congenital hypothyroidism (CH) is the most common preventable cause of mental retardation, and the two important causes of CH are thyroid dysgenesis and dyshormonogenesis. Thyroid imaging is an integral part of identifying the specific aetiology of CH. We aimed to study the aetiological profile of CH and compare the imaging findings of ultrasonography (USG) and nuclear scintigraphy.
View Article and Find Full Text PDFMolecular Imaging for Biomimetic Nanomedicine in Cancer Therapy: Current Insights and Challenges.
ACS Appl Mater Interfaces
January 2025
Department of Nuclear Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
Coating biological membranes onto biomimetic nanocarriers improves biocompatibility, prolongs circulation, and enhances targeted delivery for cancer precision medicine. To better understand the biodistribution profiles of these biomimetic nanosystems, molecular imaging techniques, including optical imaging, radionuclide imaging, magnetic resonance imaging, and ultrasound imaging, have been widely employed for in vivo tracking and dynamic imaging. Here in this review, we delve into the profound role of these imaging modalities in visualizing changes in the tumor microenvironment, particularly in monitoring oxygen consumption and immune response dynamics, highlighting their potential to improve cancer therapies.
View Article and Find Full Text PDFInvestigating Cardiac Amyloidosis: A Primer for Clinicians.
R I Med J (2013)
February 2025
Department of Medicine, Division of Cardiology, Alpert Medical School of Brown University, Providence RI.
Cardiac amyloidosis (CA) is an infiltrative disease that results from the deposition of amyloid fibrils in the myocardium, resulting in restrictive cardiomyopathy. The amyloid fibrils are predominantly derived from two parent proteins, immunoglobulin light chain (AL) and transthyretin (ATTR), and ATTR is further classified into hereditary (ATTRv) and wild-type (ATTRwt) based on the presence or absence, respectively, of a mutation in the transthyretin gene. Once thought to be a rare entity, CA is increasingly recognized as a significant cause of heart failure due to improved clinical awareness and better diagnostic imaging.
View Article and Find Full Text PDFEffectiveness and safety of radionuclide synovectomy with Yttrium-90 hydroxyapatite in patients with inflammatory arthritis: a longitudinal study.
Nucl Med Commun
January 2025
Department of Pharmacology.
Background And Objective: Yttrium-90 plays a significant role in managing drug-resistant inflammatory arthritis through radionuclide synovectomy, where the radioisotope is injected into the affected joint to alleviate pain and inflammation by targeting the synovial tissue. This study aims to evaluate the effectiveness and safety of Yttrium-90 hydroxyapatite radionuclide synovectomy in improving joint functionality, as judged by physicians, in patients with inflammatory arthritis who had not responded to conventional treatments.
Methods: Patients with inflammatory arthritis were recruited from the orthopedics department and referred to the nuclear medicine department for evaluation.
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