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Clinical History: A male patient in his 40s presents with right-sided pleuritic pain. He has no fever or abnormal inflammatory parameters. He has a history of Achilles tendon surgery two months prior to presentation. His oxygen saturation is normal, and there is no evidence of hypercapnia., 40 years, male

Clinical History: An 81-years-old man in therapy with Rivaroxaban, with history of chronic atrial fibrillation, left carotid endarterectomy, and right renal artery stenting, was admitted to our emergency department for acute onset of pain, severe claudication, numbness, pallor of both lower limbs and absent femoral pulses for the last two weeks., 81 years, male

Clinical History: A 65-year-old man complains of a 4-day abdominal pain, constipation, and a 5 kg weight gain. Physical examination shows a distended abdomen with tympanic percussion without peripheral oedema or peristaltic sounds. He recently had a liver transplant and confessed to discontinuing anticoagulation., 65 years, male

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Pulmonary embolism (PE) is one of the leading causes of maternal death in the Western world (approximate incidence of 2-12 per 100,000 pregnancies) [1]. This represents a four to five times higher risk than in age-controlled non-pregnant women [2]....

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To describe Multiphase CT angiography (mCTA) and post-processing of images in the acute ischemic stroke study protocol. To asses the findings associated with a filling defect at the level of the extracranial internal carotid (extracranial ICA). To...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: CT pulmonary angiography (CTPA) is the first-line imaging test for assessing patients with suspected pulmonary embolism (PE) in clinical routine [1]. Recently there has been increasing interest in the use of dual energy computed tomography (DECT), a...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Pulmonary embolus (PE) is a major cause of morbidity and mortality. CT pulmonary angiography (CTPA) is the gold standard for diagnosing PE but contributes to a potentially avoidable risk of radiation exposure. CTPA use has risen by over 400% in the...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Photon-counting detector CT can help to overcome the major limitations of conventional CT detectors, such as limited spatial resolution and electronic noise. Using virtual-monoenergetic-image (VMI) energies has already been beneficial for improving...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To describe the common and important complications in patients who have undergone kidney transplantation. To recognise the best modalities for timely detection of complications. To discuss the role of the interventional radiologist in the management...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To describe the therapeutic algorithms available in patients with chronic thromboembolic pulmonary hypertension (CTEPH). To review different imaging modalities available for proper patient selection , preprocedural planning , and technical...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To review the different imaging techniques and recognize the radiological characteristics that guide towards a definitive diagnosis of cerebral venous thrombosis in emergencies. To learn about anatomical variants and pitfalls that could lead us to...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Accurate and timely diagnosis of PE is crucial for appropriate treatment and ultimately, for improvement of the patients’ outcome. Multi-detector computed tomography (CT) has demonstrated high diagnostic accuracy in the diagnosis of PE, hence...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Describe imaging features suggestive of Pulmonary Hypertension Discuss and illustrate CT features of its main...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: 1.Present cases of iatrogenic upper abdomen hemorrhage2.Review the most common CT findings of these hemorrhages and the radiological treatment in the angio...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Cerebral venous thrombosis remains one of the most common cause of non-traumatic intracranial haemorrhage worldwide. With haemorrhage there is associated raised intra-cranial venous pressure in the non-occluded patent venous channels. Thin walled...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To describe thoracic outlet syndrome (TOS) and its classification. To interpret epidemiology, pathogenesis and clinical presentation of Venous Thoracic Outlet Syndrome (VTOS). To discuss the role of radiology in diagnostic approach, the differential...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To explain the uses of Contrast-Enhanced Ultrasound in the characterization of focal liver...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Endomyocardial fibrosis (EMF) can currently be diagnosed rather effectively in patients with a history of peripheral hypereosinophilia by recognizing hallmark features on non-invasive cardiac imaging. However, atypical imaging phenotypes with left...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: To determine the extracellular volume (ECV) of myocardium by spectral CT, and to explore the feasibility and reliability of ECV in evaluating myocardial...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: • Decipher the physics behind generation of Susceptibility weighted imaging (SWI) sequences • An overview of QSM (Quantitative Susceptibility Mapping) in a bid to overcome the shortcomings of SWI. • A comprehensive illustration of the...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: 1. To discuss the diagnostic and therapeutic approach, clinical features and types of mesenteric ischaemia. 2. To discuss the CT findings of mesenteric ischaemia and signs of bowel ischaemia. 3. To discuss the endovascular management and it's...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: This exhibit aims to discuss the imaging spectrum of renal injuries encountered in a trauma setting, giving a clear understanding of the grades of injury, which aids in guiding appropriate management. The role of interventional radiology is also...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To review the importance of continuous examination of the upper venous system in search of obstructive pathology, which is often asymptomatic and results in increased morbidity and...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Pulmonary embolism (PE) is a potentially fatal disease with varying clinical symptoms. It is the third most common cause of death in the United States [1]. Since the 1990s, computed tomography pulmonary angiography (CTPA) is the preferred imaging...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Risk stratification for patients with acute pulmonary embolism (APE) is significantly important for treatment and prognosis evaluation. We aimed to develop a novel clot burden score on computed tomography pulmonary angiography (CTPA) based on deep...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Incidental pulmonary emboli (IPE) are sometimes found on routine contrast-enhanced chest CT exams performed for reasons other than a clinical suspicion of acute pulmonary embolism. Because of the low prevalence and low clinical suspicion, these IPE...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Occlusions of the internal carotid artery (ICA) may be caused by dissection, cardioembolic or macroangiopathic pathogenesis, which partially influences the treatment (1-2) (Fig. 1) Inferring the underlying etiology in computed tomography angiography...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: E arly (between 3-14 days) Po st S troke or T ransient Ischemic Attack (EPoST) carotid endarterectomy (CEA) has been implemented in our institutional guideline since May 2021. We aimed to determine the rate of Po stoperative N eurological E vents...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To assess the usefulness of dual energy CT in differentiating between hemorrhagic transformation of an ischemic stroke and the presence of contrast material due to alteration of the blood-brain barrier after treatment with mechanical...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To know the causes of thoracic flow artifacts and provide clues to distinguish them from true filling defects. To be aware of persistent and anomalous cardiac communications that are relevant in clinical practice and its typical imaging...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Several randomized clinical trials have established the clinical efficacy of mechanical thrombectomy (MT) in acute ischemic stroke (AIS) 1-5 . It is well known that recanalization success is the most critical procedural prognostic factor of good...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Migraine is a common disabling primary headache disorder with high prevalence. We tried to evaluate the neuro-imaging findings in patients with migraine on conventional and on advanced MRI sequences. Use of advanced MRI sequences along with...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: In patients presenting with occluded infra-inguinal bypass grafts, catheter-directed thrombolysis is considered a first-line treatment with high success rates and long-lasting patency.[1,2] This procedure is mostly performed via the contralateral...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To discuss applicability and efficacy of stent graft placement in patients with tumor invasion into pelvic veins during radiotherapy with high risk of massive or potentially life threating...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Acute pulmonary embolism (PE) is a frequent and potentially lethal condition and timely diagnosis and therapy are crucial for optimizing the clinical outcome. CT pulmonary angiography (CTPA) has become the reference standard in the diagnostic workup...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: During the COVID-19 pandemic, there has been an increased concern regarding the high incidence of pulmonary embolism (PE). The aims of this study are to: Estimate the incidence of positive PE on CT pulmonary angiography studies among COVID-19...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Pulmonary embolism (PE) is the third most frequent cause of cardiovascular related death and occurs in 1 of 1000 patients in the European population, mainly affecting older patients [1,2,3]. Associated with a high morbidity and mortality, acute PE...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To review the findings of acute pulmonary embolism in non-contrast CT scan. To share a series of cases diagnosed in our hospital (HUiP La Fe,...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: In December 2019 a new type of coronavirus (severe acute respiratory syndrome coronavirus-2 – SARS-CoV-2) was isolated [1]. This novel coronavirus disease-2019 (COVID-19) spread very rapidly affecting the entire world and causing a global pandemic...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: The majority of patients requiring management in the Interventional Radiology department can wait until the next day for their procedure.A small number of procedures will be required to be performed by a Resident or Attending overnight. This poster...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Acute pulmonary embolism (PE) is a common and potentially life-threatening condition. The reported annual incidence of acute PE in the United States is 39–115/100,000 and the age-adjusted mortality rate (PE-related death) is 14.4% [1, 2]. It is...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To educate radiologists regarding not so uncommon cause of a common condition in May-Thurner syndrome (MTS). Since MTS is treated by a wide array of specialties, including interventional radiology, vascular surgery, cardiology, and vascular...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: With dual-energy CT (DECT), virtual monoenergetic images (VMI) are widely used to boost iodine attenuation and increase image contrast. In vascular imaging reductions in contrast medium dosage of 40-60% have been reported at 40-50 keV [1,2]. Our...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Ischemic cerebrovascular events (in about 15% of cases) are the result of significant stenosis of the internal carotid artery (ICA) and/or common carotid artery (CCA). [2] Antegrade stenting is one of the primary invasive therapies for ICA and CCA...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: The purpose of this study is to see how well CT can distinguish between different haematocrit levels and how thrombi red blood content and their retraction effects CT characteristics in single energy and dual energy imaging...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: The relevance of venilation / perfusion (V/Q) scintigraphy in the diagnosis of pulmonary embolism (PE) are well-accepted and frequently performed procedure in the diagnosis of pulmonary embolism, there has dwindled in recent years. Despite the fact...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To discuss the various modalities used for imaging renal vasculature, their advantages and disadvantages. To revise the basic vascular anatomy of Kidneys and its normal anatomic variants. To classify and understand various renal arterial & venous...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To analyze radiology key findings which help us to discern internal carotid artery (ICA) occlusions according to occlusion site, etiology, and pathophysiology. For this purpose, we have evaluated patients with acute ischemic stroke based on...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To review the imaging findings and complications of cerebral venous sinus thrombosis (CVST), paying special attention to acute subdural hematoma, a rare complication with few cases described in the literature. To study the proposed theories of...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Teaching points: To understand how to obtain optimal Lung Perfused Blood Volume (PBV) images using the dual-energy technique. To understand how to analyze and interpret Lung PBV images for various pulmonary diseases except acute pulmonary embolism....