Science topics: MedicineRadiology
Science topic

Radiology - Science topic

For Researchers in Radiology.
Filters
All publications are displayed by default. Use this filter to view only publications with full-texts.
Publications related to Radiology (10,000)
Sorted by most recent
Article
Full-text available
This study aimed to determine whether the Hamad Medical Corporation Ambulance Service (HMCAS) personnel fulfil the pre-hospital readiness requirements for hazardous material and chemical, biological, radiological, and nuclear (HazMat-CBRN) incidents. This cross-sectional study performed an online assessment of non-specialist paramedics’ behaviour a...
Article
Full-text available
Introduction: Estimation of age of an individual can be carried out by evaluating the pattern of dental development. Demirjian's grading of tooth calcification is widely used to assess the age of individuals with developing dentitions.The tooth with its developmental stages provides us with a non-invasive modality to estimate the age of the person....
Article
Full-text available
Objectives To review retrospectively atypical bone findings from computed tomographic (CT) imaging in patients with Erdheim–Chester disease. Methods All 28 patients with Erdheim–Chester disease (13 men and 15 women; mean age, 45 years; range, 7–63 years) underwent chest-abdomen-pelvis CT. CT images were reviewed and analyzed for the various featur...
Article
Full-text available
Background Online summative assessment has emerged during the COVID-19 pandemic as an alternative to traditional examinations, bringing opportunities and challenges. The study aims to evaluate the feasibility and effectiveness of online structured oral examination (SOE) in radiology clerkships. The study identifies measures taken to successfully im...
Article
Full-text available
Background: The delayed percentage attenuation ratio (DPAR) was recently identified as a novel predictor of an early complete response in patients with hepatocellular carcinoma (HCC) undergoing transarterial chemoembolization (TACE). In this study, we aimed to validate the role of DPAR as a predictive biomarker for short-, mid-, and long-term outc...
Article
Full-text available
Background Achondroplasia is the most common form of skeletal dysplasia, with serious comorbidities and complications that may occur from early infancy to adulthood, requiring lifelong management from a multidisciplinary team expert in the condition The European Achondroplasia Forum guiding principles of management highlight the importance of accur...
Article
Full-text available
Forensic science practitioners compare visual evidence samples (e.g. fingerprints) and decide if they originate from the same person or different people (i.e. fingerprint ‘matching’). These tasks are perceptually and cognitively complex—even practising professionals can make errors—and what limited research exists suggests that existing professiona...
Article
Full-text available
The main objective of this article is to analyse strategies of embodied cognition and the intersubjective ground for individual intentions in the process of image-based oncoradiology diagnosis. The article presents a range of both oncoradiology imaging specifics and concrete operations performed by radiologists during their daily professional routi...
Article
Full-text available
The text-guided diffusion model GLIDE (Guided Language to Image Diffusion for Generation and Editing) is the state of the art in text-to-image generative artificial intelligence (AI). GLIDE has rich representations, but medical applications of this model have not been systematically explored. If GLIDE had useful medical knowledge, it could be used...
Article
Full-text available
Background Prior studies on ascending thoracic aortic aneurysm (ATAA) growth rates have reported approximately 1 mm of growth per year but these studies are based on referral-based study populations which are biased towards the highest risk patients who may not represent the true natural history of aortic aneurysm disease. We aimed to characterize...
Article
Full-text available
Background The Ewing sarcoma family of tumors comprises a group of high-grade small round cell tumors, including Ewing sarcoma of bone, extra-skeletal Ewing sarcoma, peripheral primitive neuro-ectodermal tumor (PNET), and Askin tumor (thoraco-pulmonary PNET). They are more prevalent in young children and adolescents. Ewing's Sarcoma is an aggressiv...
Article
Full-text available
Background Metaplastic breast carcinoma (MBC) is a rare type of breast carcinoma. It accounts for 0.2–1% of all invasive breast carcinoma. The aim of this study is to investigate the radiological features of this tumor and correlate them with the pathological findings. Results Of the 22 patients with pathology-proven metaplastic cancers, 18 patien...
Article
Full-text available
The evaluation of radiation burden in vivo is crucial in modern radiology as stated also in the European Directive 2013/59/Euratom—Basic Safety Standard. Although radiation dose monitoring can impact the justification and optimization of radiological procedure, as well as effective patient communication, standardization of radiation monitoring soft...
Article
Full-text available
The ESR International Forum at the ECR 2021 discussed effects of artificial intelligence on the future of radiology and the need for increased visibility of radiologists. The participating societies were invited to submit written reports detailing the current situation in their country or region. The European Society of Radiology (ESR) established...
Article
Full-text available
Objective To evaluate the appropriateness of imaging tests associated with radiation in the field of otolaryngology according to the available recommendations, and to estimate the effective radiation dose associated. Method Cross-sectional epidemiological study of the totality of the imaging test requests carried out by two Spanish hospitals ( n =...
Article
Full-text available
Background Pleomorphic adenomas are common tumors of major salivary glands. However, the localization in nasal cavity originating from the lateral wall is exceptional. This work is a presentation of a very rare case that presents the diagnostic challenge, considering the multitude of malignant and benign differential diagnosis. A discussion of surg...
Article
Full-text available
Interstitial lung abnormalities (ILAs) represent radiologic abnormalities incidentally detected on chest computed tomography (CT) examination, potentially related to interstitial lung diseases (ILD). Numerous studies have demonstrated that ILAs are associated with increased risk of progression toward pulmonary fibrosis and mortality. Some radiologi...
Article
Full-text available
The breast experiences substantial changes in morphology and function during pregnancy and lactation which affects its imaging properties and may reduce the visibility of a concurrent pathological process. The high incidence of benign gestational-related entities may further add complexity to the clinical and radiological evaluation of the breast d...
Article
Full-text available
Objectives Data from radiological departments provide important information on overall quantities of medical care provided. With this study we used a comprehensive analysis of radiological examinations as a surrogate marker to quantify the effect of the different COVID-19 waves on medical care provided. Methods Radiological examination volumes dur...
Article
Full-text available
A chemical strategy to separate troublesome americium from lanthanides could help reduce the radiological hazards of spent nuclear fuel and create opportunities for waste re-processing.
Article
Full-text available
Background Post-Covid retropharyngeal mucormycosis is a rare presentation, and no case has been reported in literature until date. Case presentation A-32-year-old female post Covid presented to our OPD with history of dysphagia and with a history of steroid intake. Radiology confirmed it as retropharyngeal abscess. Endoscopic-guided aspiration was...
Article
Full-text available
Background Lumbar erector spinae plane block (L-ESPB) is being used in fractured hip patients for the postoperative pain relief and as a sole anesthetic technique. Various clinical and cadaveric studies have differences of opinion about its mechanism of action and pathways of local anesthetic spread; however, the role of lumbar plexus (LP) in the m...
Article
Full-text available
Radiology as a specialty has been enormously successful since its beginnings, moving over time from an adjunct to clinical decision-making to a crucial component of multidisciplinary patient care. However, this increased centrality of radiology and reliance on our services carries within it dangers, prominent among them being the danger of our bein...
Article
Full-text available
Background This study aimed to identify predictive factors for risky discrepancies in the emergency department (ED) by analyzing patient recalls associated with resident-to-attending radiology report discrepancies (RRDs). Results This retrospective study analyzed 759 RRDs in computed tomography (CT) and magnetic resonance imaging and their outcome...
Article
Full-text available
Takayasu arteritis (TA) is an uncommon chronic granulomatous inflammatory disease often affecting the aorta and its branches. Early diagnosis is quite challenging due to nonspecific symptoms and unfamiliarity with the disease. We hereby present a case of a young female patient diagnosed with Type V Takayasu arteritis using several radiological imag...
Article
Full-text available
The “Scalpel sign” is a radiological sign which can be identified on magnetic resonance imaging and indicates dorsal compression of the spinal cord [1]. Prior descriptions of a “Scalpel sign” have been reported in the literature and the awareness and identification of this pathognomonic sign may aid in the rapid diagnosis and treatment of patients...
Article
Full-text available
Granulomatosis with polyangiitis (GPA), previously known as Wegener's granulomatosis, is a necrotizing granulomatous vasculitis of the small and medium vessels involving the upper respiratory tract, lungs, and kidneys. In this case report, we will describe the case of a 60-year-old man who presented to our observation with recurrent episodes of hem...
Article
Full-text available
We present the case report of a 67-year-old man with a history of a firearm injury on the left upper extremity 35 years ago. Lead synovitis and imaging features are reviewed, emphasizing radiology's crucial role in diagnosing and following this condition.
Conference Paper
Full-text available
Diagnostic imaging produces more data than ever for clinical decision-making, while related artificial intelligence (AI) solutions impose high demands for computational platforms. These challenges do not only concern diagnostic imaging, but also the healthcare digitalization in general. Cloud computing, a prominent technology to deal with the growi...
Article
Full-text available
Hepatic hemangiomas may rarely arise outside the extra-hepatic capsule. It appears as a pedunculated mass. We report the case of a 58-year-old female presenting with abdominal chronic pain. Incidental diagnosis of a pedunculated hepatic hemangioma was suggested by ultrasonography confirmed by typical imaging features on computed tomography. Dynamic...
Article
Full-text available
Marjolin ulcer is a type of aggressive ulcerating squamous cell skin tumor that typically develops in areas of previously traumatized, burned, chronically inflamed, or scarred skin. It typically occurs following a period of dormancy. We present a rare case of Marjolin ulceration with an unusual combination of continued non-compliance after diagnosi...
Article
Full-text available
Background Identifying high-risk intracranial plaques is significant for the treatment and prevention of stroke. Objective To develop a high-risk plaque model using three-dimensional (3D) high-resolution magnetic resonance imaging (HRMRI) based radiomics features and machine learning. Methods 136 patients with documented symptomatic intracranial...
Article
Full-text available
PROBLEM Text summarization is widely used to extract relevant information from documents. The extensive unstructured data are generated in various domains, developing a concise and coherent form of information has become an inevitable and assertive problem among the research community. Automatic text summarization plays a crucial role in acquiring...
Article
Full-text available
Chest radiographs allow for the meticulous examination of a patient’s chest but demands specialized training for proper interpretation. Automated analysis of medical imaging has become increasingly accessible with the advent of machine learning (ML) algorithms. Large labeled datasets are key elements for training and validation of these ML solution...
Article
Full-text available
Purpose The reliable detection of tumor-infiltrated axillary lymph nodes for breast cancer [BC] patients plays a decisive role in further therapy. We aimed to find out whether cross-sectional imaging techniques could improve sensitivity for pretherapeutic axillary staging in nodal-positive BC patients compared to conventional imaging such as mammog...
Article
Full-text available
ntroduction: Etmoid roof and nasal turbinates have many anatomic variations that are important during endoscopic sinus surgery (ESS). During ESS, nasal turbinates that act as anatomical markers can be intervened at the beginning of the surgery. Anatomical knowledge of variations and their relationships increases the success of surgery by reducing c...
Article
Full-text available
Background Prevention and early detection of injuries are essential in optimising sport participation and performance. The aim of this study is to investigate the epidemiology, athlete injury history, and competition withdrawal rate of imaging-detected bone stress injuries during the Tokyo 2020 Olympic Games. Methods We collected and analysed imag...
Article
Full-text available
Purpose This study aimed to provide a direct meta-analysis of the evidence comparing outcomes between expandable cages and static cages in patients with transforaminal lumbar interbody fusion (TLIF). Methods A search of relevant materials from databases was performed from inception to March 7, 2022. Clinical and radiological outcomes were included...
Article
Full-text available
Introduction This study aimed to compare the radiological and clinical results of VP and EF applications in multi-fragmented radius distal intra-articular fractures (AO type C) in our clinic. Methods We retrospectively analysed 80 patients who underwent surgery for radius distal fracture (AO type C) between 2014 and 2020. Group 1 comprised patient...
Article
Full-text available
Background: Suture button devices for tibiofibular syndesmosis injuries provide semirigid dynamic stabilization. The effect of stabilization procedures on sports discipline and performance level in non-elite athletes after acute syndesmotic injury has not been clarified in sports medicine research to date. Methods: A total of 47 of 56 eligible p...
Article
Full-text available
The aim and objective of this study was to assess the compliances towards adherence to radiation safety measures among medical professionals who working under radiation zone. A cross-sectional study was performed at tertiary healthcare centre Gurgaon. The targeted peoples included in this study; physicians, nurses, technician and other OT staff wor...
Article
Full-text available
Juvenile ossifying fibromas (JOFs) of the jaws are uncommon benign fibro-osseous tumors affecting children under 15 years of age. Based on histological criteria, JOFs have been classified into psammomatoid and trabecular. Their aggressiveness, added to their high tendency to recur, provokes real diagnostic and therapeutic challenges for the dental...
Article
Full-text available
Purpose To probe the pathophysiological basis of Modic change (MC) by multimodal imaging rather than by MRI alone. Methods Nineteen radiological signs found in mild infections and traumatic endplate fractures were identified by MRI and CT, and by elimination, three signs unique to infection and trauma were distilled. By ranking the Z score, radiol...
Article
Full-text available
Extraintestinal manifestations are common in patients with inflammatory bowel disease, while respiratory involvement is less common. Vedolizumab is a new class of anti-integrin biological agents approved for treating inflammatory bowel disease. In this report, we present the case of a 38-year-old patient with ulcerative colitis for 7 years who deve...
Preprint
Full-text available
Automated analysis of chest radiography using deep learning has tremendous potential to enhance the clinical diagnosis of diseases in patients. However, deep learning models typically require large amounts of annotated data to achieve high performance -- often an obstacle to medical domain adaptation. In this paper, we build a data-efficient learni...
Article
Full-text available
Rectal spacers are commonly used in the radiotherapy for prostate cancers, serving as a means to protect the rectum and surrounding structures from radiation toxicity. Polyethylene Glycol-Based Gels (SpaceOAR ™ and Space-OAR Vue™, Boston Scientific) are the most commonly used rectal spacers. Given their increasingly widespread use and the relative...
Article
Full-text available
Background Implant subsidence is an undesirable effect after anterior cervical discectomy and fusion (ACDF). We investigated the relation between the rate of implant subsidence and the ratio of the implant surface area to the surface area of the adjacent bone. Methods We operated 170 disc spaces in a group of 104 patients. Two types of implants we...
Article
Full-text available
Background Post-mortem imaging has been suggested as an alternative to conventional autopsy in the prenatal and postnatal periods. Noninvasive autopsies do not provide tissue for histological examination, which may limit their clinical value, especially when infection-related morbidity and mortality are suspected. Methods We performed a prospectiv...
Article
Full-text available
As the most common neuro-epithelial tumors of the central nervous system in adults, gliomas are highly malignant and easy to recurrence, with a dismal prognosis. Imaging studies are indispensable for tracking tumor progression (TP) or treatment-related changes (TRCs). During follow-up, distinguishing TRCs from TP in treated patients with gliomas re...
Article
Full-text available
Inflammatory bowel disease (IBD) is a term used to describe chronic inflammatory entities of the gastrointestinal system with an unclear etiology. Extra‑intestinal manifestations beyond the involvement of the gastrointestinal tract can also occur. Several studies have investigated the alterations of pulmonary function tests (PFTs) in patients with...
Article
Full-text available
Background and objectives: This study compared the clinical and radiological results of three cortex conventional metal screw fixation and EndoButton implant techniques. We applied dynamic pedobarographic analysis to the cases to reveal the effect of the postoperative functional levels on the gait and plantar pressure distribution parameters and to...
Article
Full-text available
Background: In computed tomography (CT), metal implants increase the inconsistencies between the measured data and the linear assumption of the radon transform made by the analytic CT reconstruction algorithm. Aims and Objectives: The aims of this study was to evaluate the effectiveness of orthopedic metal artifact reduction (O-MAR) among patients...
Article
Full-text available
At present, the feature extraction method of radiology is mainly based on static tomography images at a certain time. However, the occurrence and development of disease is a dynamic process, and the information contained in static images is not enough to fully evaluate the patient’s condition. Therefore, in this study, we propose a new dynamic radi...
Article
Full-text available
Background Transbronchial cryobiopsy (TBCB) is a critical procedure in the diagnosis of interstitial lung diseases (ILD). The associations between high-resolution computed tomography (HRCT) features and outcomes of TBCB were unknown.Methods This study was conducted as a single-center prospective cohort study between September 2018 and January 2020...
Article
Full-text available
PurposeThe dynamics of serum alpha-fetoprotein (AFP) level have been found to be a useful predictor of therapeutic responsiveness in patients with hepatocellular carcinoma (HCC). We evaluated whether AFP changes were able to accurately reflect imaging-based responses and predict prognosis in patients receiving therapies including immune-checkpoint...
Article
Full-text available
Purpose Nonunion of traumatic rib fractures is a clinical/radiological diagnosis caused by an alteration of bone healing reparative process. Since it is a painful condition, nonunion has a signifcative impact on patient’s morbidity and quality of life. The aim of this study was to evaluate the outcomes after surgical stabilization of ribs afected...
Article
Full-text available
Introduction Unicompartmental knee arthroplasty (UKA) has an infection rate of 0.1–0.8%. Despite the wide amount of literature about septic total knee arthroplasty management, few data are available for UKA infection treatment. The aim is to present the clinical and radiological outcomes along with complication rates of a series of septic UKA treat...