journal
https://read.qxmd.com/read/37690793/vascular-myelopathies
#1
REVIEW
Igor Gomes Padilha, Ana Paula Alves Fonseca, Camila Trolez Amancio, Ana Patrícia Freitas Vieira, Felipe Torres Pacheco, Antônio José da Rocha
There are many vascular disorders that can affect the spinal cord, and their prevalence and etiology are highly influenced by age, sex, and risk factors. This article reviews the embryology and anatomy of the spinal cord, as well as several vascular conditions, describing their clinical and imaging presentation, emphasizing the different imaging modalities' contributions to increasing specificity and better defining the most appropriate therapy strategy for improving the patient's prognosis.
October 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37555687/anatomy-and-imaging-of-the-spinal-cord-an-overview
#2
REVIEW
Túlio de Almeida Hermes, Vinicius de Menezes Jarry, Fabiano Reis, Elaine Minatel
The spinal cord comprises the part of the central nervous system located within the vertebral canal, extending from the foramen magnum to approximately the second lumbar vertebra. The spinal cord is covered by 3 meninges: dura mater, arachnoid mater, and pia mater (arranged from the outermost layer inward). A cross-section of the spinal cord reveals gray and white matter. Ascending and descending pathways have defined locations in the matter of the spinal cord. This article aims to review the spinal cord anatomy and demonstrate the imaging aspects, which are essential for the interpretation and understanding of spinal cord injuries...
October 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37555683/the-role-of-mri-in-differentiating-demyelinating-and-inflammatory-not-infectious-myelopathies
#3
REVIEW
João Vitor Gerdulli Tamanini, João Vitor Sabino, Rafael Alves Cordeiro, Vanessa Mizubuti, Luciano de Lima Villarinho, Juliana Ávila Duarte, Fernanda Veloso Pereira, Simone Appenzeller, Alfredo Damasceno, Fabiano Reis
Demyelinating and inflammatory myelopathies represent a group of diseases with characteristic patterns in neuroimaging and several differential diagnoses. The main imaging patterns of demyelinating myelopathies (multiple sclerosis, neuromyelitis optica spectrum disorder, acute disseminated encephalomyelitis, and myelin oligodendrocyte glycoprotein antibody-related disorder) and inflammatory myelopathies (systemic lupus erythematosus-myelitis, sarcoidosis-myelitis, Sjögren-myelitis, and Behçet's-myelitis) will be discussed in this article, highlighting key points to the differential diagnosis...
October 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37437974/neuropathy-score-reporting-and-data-system-ns-rads-a-practical-review-of-mri-based-peripheral-neuropathy-assessment
#4
REVIEW
Atul K Taneja, Avneesh Chhabra
The Neuropathy Score Reporting and Data System (NS-RADS) is a newly developed MR imaging-based classification that standardizes reporting and multidisciplinary communication for MR imaging diagnosis and follow-up of peripheral neuropathies. NS-RADS classification has shown to be accurate and reliable across different centers, readers' experience levels, and degrees of peripheral neuropathies, which include nerve injury, entrapment, neoplasm, diffuse neuropathy, post-interventional status, and temporal changes in muscle denervation...
August 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37437973/anatomy-and-biomechanics-of-lower-extremity-tendons-imaging-implications
#5
REVIEW
Shruti Kumar, Shilpa Mohanan, Ahamed Lazim Vattoth, Gitanjali Bajaj, Tarun Pandey
A comprehensive understanding of the anatomy and biomechanics of muscle fibers and tendons is crucial to comprehend their functions. The orientation of tendon fibers plays a significant role in the pathologies that affect them and the resulting functional impairments. In this review, we provide detailed information on the origin, insertion, and fiber orientation of selected muscles and tendons, as well as their functional significance. To aid in comprehension, we have included illustrations depicting the anatomy and fiber orientation, as well as cross-sectional MR images that highlight important imaging features of normal anatomy and tears of select lower extremity tendons...
August 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37437972/imaging-peripheral-nerve-injuries-of-the-lower-extremities-what-surgeons-need-to-know
#6
REVIEW
Kimberly K Amrami, Akriti Khanna, Matthew A Frick, Robert J Spinner
Peripheral nerve injury is a common sequela of lower extremity trauma. Injuries to lower extremity nerves range from contusions and stretch injuries that will often resolve without interventions to traumatic disruptions requiring surgical procedures, including neurolysis, repair or even nerve grafting. While clinical examination and tools such as electromyography will often help to localize the site of injury, imaging is a critical tool in determining the extent and degree of nerve injury in the setting of trauma...
August 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37437971/lesser-metatarsophalangeal-joint-plantar-plate-degeneration-and-tear-and-acute-first-metatarsophalangeal-joint-capsuloligamentous-injury-what-the-surgeon-wants-to-know
#7
REVIEW
Ashton Reeve, James M Linklater, Simon Dimmick
Injuries to the plantar plate complex of the first toe and the lesser toes, although closely related anatomically, differ significantly in their pathogenesis. Lesser metatarsophalangeal joint plantar plate degeneration and tear typically presents as an attritional pattern of capsuloligamentous deficiency in middle-aged patients, whereas first metatarsophalangeal joint capsuloligamentous injury is typically acute and occurs in younger adult athletes engaged in sports involving repetitive running and jumping...
August 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37437970/imaging-of-the-ankle-ligaments-and-cartilage-injuries-as-an-aid-to-ankle-preservation-surgery
#8
REVIEW
Zohaib Y Ahmad, Michael J Rasiej
Ankle sprains are among the most common musculoskeletal injuries and can lead to ankle ligament and cartilage injuries. Imaging plays an important role in differentiating ligament injuries from other causes of ankle pain such as fractures, osteochondral lesions or tendon injuries that helps guide further management. Chronic untreated ankle ligamentous and cartilage injuries can further progress to ankle osteoarthritis, hence the need for timely diagnosis and treatment. Surgical treatment is often required in patients not responding to conservative treatment and ranges from repair and reconstruction procedures for ligament injuries to arthroscopic debridement and repair procedures for cartilage injuries...
August 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37437969/postoperative-imaging-of-the-ankle-tendons
#9
REVIEW
Maryam Soltanolkotabi, Megan K Mills, Devon C Nixon, Firoozeh Shomal Zadeh, Majid Chalian
Ankle tendon pathology is an important cause of pain, instability, and disability. Surgical treatment is often employed when conservative management fails. The quantity and variety of ankle tendon repair/reconstruction surgeries have increased over time. As surgical techniques for ankle tendon surgery evolve and increase in prevalence, postoperative imaging of these tendons rises. Therefore, it is exceedingly important for radiologists to be familiar with these procedures, their expected postoperative appearance, imaging pitfalls, and potential complications...
August 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37437968/2-dimensional-and-3-dimensional-mr-imaging-aid-to-knee-preservation-surgery-focus-on-meniscus-and-articular-cartilage
#10
REVIEW
Atul K Taneja, Avneesh Chhabra
With an increasing life expectancy of global human population, there is a growing demand for preservation of native articular meniscus and cartilage to delay joint arthroplasties, especially in younger and active patients. Since damage to the meniscus and hyaline cartilage of the knee have limited intrinsic capacity to heal, such lesions lead to premature and/or accelerated osteoarthritis. However, knee surgical treatments have evolved and may allow restoration of the natural anatomy, delay the progression of damage, and alter the biology of the meniscus and articular cartilage...
August 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37437967/cruciate-and-collateral-ligaments-2-dimensional-and-3-dimensional-mr-imaging-aid-to-knee-preservation-surgery
#11
REVIEW
Gaurav Cheraya, Avneesh Chhabra
Being a major load-bearing and dynamic functional joint of the body, the knee joint is prone to injuries to the menisci and ligaments. Injury to one or more of these structures leads to accelerated or premature osteoarthritis and chronic debilitation. The estimated cost of these injuries in terms of diagnosis, treatment, rehabilitation, and person-hours lost amounts to over a billion dollars annually. Understanding the relevant anatomy of knee cruciate and collateral ligaments, their biomechanical functional role, and imaging considerations are essential to assist multi-disciplinary communications and timely patient treatments for improved management...
August 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37437966/three-dimensional-ct-and-3d-mri-of-hip-important-aids-to-hip-preservation-surgery
#12
REVIEW
Ajit Kohli, Shuda Xia, Joel E Wells, Avneesh Chhabra
Common hip internal derangements include femoroacetabular impingement (FAI), developmental dysplasia of hip (DDH) dysplasia, and avascular necrosis (AVN) of the femoral head. These are initially screened by radiographs. For preoperative planning of hip preservation, 3-dimensional (3D) CT is commonly performed to assess bony anatomy and its alterations. Magnetic resonance imaging (MRI) is used to evaluate labrum, hyaline cartilage, tendons, synovium, and loose bodies, and provides vital information for surgical decision-making...
August 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37437965/imaging-of-the-hip-prior-to-replacement-what-the-surgeon-wants-to-know
#13
REVIEW
Philip G Colucci, Brian P Chalmers, Theodore T Miller
Total hip arthroplasty is an effective treatment for severe degenerative arthritis and is increasingly being used. Radiography is the primary modality for the initial diagnosis of osteoarthritis and preoperative planning. Additional radiographic views may include the spine and lower extremities in order to optimize implant positioning for the individual patient. Computed tomography is sometimes used for preoperative planning and intraoperative robotic assistance. Magnetic resonance imaging and diagnostic ultrasound is generally reserved for patients without obvious arthritis...
August 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37437964/letter-from-the-guest-editors
#14
EDITORIAL
Gitanjali Bajaj, Tarun Pandey
No abstract text is available yet for this article.
August 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37245887/role-of-mri-in-the-assessment-of-cervical-cancer
#15
REVIEW
Giuseppe Lo Re, Giuseppe Cucinella, Giulia Zaccaria, Agata Crapanzano, Sergio Salerno, Antonio Pinto, Antonio Lo Casto, Vito Chiantera
Cervical cancer is the fourth most common cancer in women, and it is divided into 2 main histological types: squamous cell carcinoma and adenocarcinoma. Extension of disease as well as the presence of metastases define the prognosis of patients. Accurate tumor staging at diagnosis is essential for adequate planning for treatment. There are several classifications of cervical cancer, and the most used are FIGO and TNM, which help classify the patient and guide the treatment. Imaging has a pivotal role in classifying patients, and MRI plays a decision-maker role both for diagnosis and for treatment planning...
June 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37245886/new-frontiers-in-oncological-imaging-with-computed-tomography-from-morphology-to-function
#16
REVIEW
Andrea Agostini, Alessandra Borgheresi, Francesco Mariotti, Letizia Ottaviani, Marina Carotti, Marco Valenti, Andrea Giovagnoni
The latest evolutions in Computed Tomography (CT) technology have several applications in oncological imaging. The innovations in hardware and software allow for the optimization of the oncological protocol. Low-kV acquisitions are possible thanks to the new powerful tubes. Iterative reconstruction algorithms and artificial intelligence are helpful for the management of image noise during image reconstruction. Functional information is provided by spectral CT (dual-energy and photon counting CT) and perfusion CT...
June 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37245885/dual-energy-ct-in-oncology-benefits-for-both-patients-and-radiologists-from-an-emerging-quantitative-and-functional-diagnostic-technique
#17
REVIEW
Susanna Guerrini, Giulio Bagnacci, Armando Perrella, Nunzia Di Meglio, Cristian Sica, Maria Antonietta Mazzei
Dual-energy CT (DECT) imaging makes it possible to identify the characteristics of materials that cannot be recognized with conventional single-energy CT (SECT). In the postprocessing study phase, virtual monochromatic images and virtual-non-contrast (VNC) images, also permits reduction of dose exposure by eliminating the precontrast acquisition scan. Moreover, in virtual monochromatic images, the iodine contrast increases when the energy level decreases resulting in better visualization of hypervascular lesions and in a better tissue contrast between hypovascular lesions and the surrounding parenchyma; thus, allowing for reduction of required iodinate contrast material, especially important in patients with renal impairment...
June 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37245884/gastrointestinal-stromal-tumors-diagnosis-follow-up-and-role-of-radiomics-in-a-single-center-experience
#18
REVIEW
Francesca Giudice, Sergio Salerno, Giuseppe Badalamenti, Gianluca Muto, Antonio Pinto, Massimo Galia, Francesco Prinzi, Salvatore Vitabile, Giuseppe Lo Re
Gastrointestinal stromal tumors (GISTs) arise from the interstitial cells of Cajal in the gastrointestinal tract and are the most common intestinal tumors. Usually GISTs are asymptomatic, especially small tumors that may not cause any symptoms and may be found accidentally on abdominal CT scans. Discovering of inhibitor of receptor tyrosine kinases has changed the outcome of patients with high-risk GISTs. This paper will focus on the role of imaging in diagnosis, characterization and follow-up. We shall also report our local experience in radiomics evaluation of GISTs...
June 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37245883/morphological-and-functional-neuroradiology-of-brain-metastases
#19
REVIEW
Irene Grazzini, Duccio Venezia, Davide Del Roscio, Ivano Chiarotti, Maria Antonietta Mazzei, Alfonso Cerase
Neuroimaging plays a key role in the diagnosis and differentiation of brain metastases (BM) in patients with known or unknown malignancies. Computed tomography and magnetic resonance imaging are the key imaging modalities used in the detection of BM. Advanced imaging techniques including proton magnetic resonance spectroscopy, magnetic resonance perfusion, diffusion weighted imaging, and diffusion tensor imaging may aid in arriving at the correct diagnosis, in particular cases, such as newly diagnosed solitary enhancing brain lesions in patients without known malignancy...
June 2023: Seminars in Ultrasound, CT, and MR
https://read.qxmd.com/read/37245882/advances-in-imaging-guidance-during-percutaneous-ablation-of-renal-tumors
#20
REVIEW
Carolina Lanza, Serena Carriero, Pierpaolo Biondetti, Salvatore Alessio Angileri, Gianpaolo Carrafiello, Anna Maria Ierardi
Currently, minimally invasive ablative techniques for the treatment of renal tumors have become a more common and feasible treatment option. New imaging technologies have been implemented and successfully merged with each other to improve the guidance of tumor ablation. In the present review, an overview of the real-time fusion of multiple imaging modalities, robotic and electromagnetic navigation and the application of artificial intelligence software, in field of tumor renal ablation treatment, are analyzed...
June 2023: Seminars in Ultrasound, CT, and MR
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