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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 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 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: • 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: 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: 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 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: 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: 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: - Review hepatic vascular anatomy. - Revise most common anatomic variants. - Understand most frequent...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Deep pelvic veins obstruction/stenosis is usually caused by either external compression or intra-luminal thrombosis (1). It is actually a hidden area for color Duplex scan and has to be assessed by CT venography (CTV) which requires the...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To explain the systemic thrombotic complications that can be associate with the evolution of the COVID-19 disease. To show the most frequent imaging manifestations of systemic thrombotic events in order to help radiologists identify them when...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To understand the importance of pulmonary embolism in healthcare practice. To review the percutaneous intervention options available for the treatment of pulmonary embolism. To describe the new techniques of fibrinolysis and pulmonary...

Clinical History: A 68-year-old female with a history of breast cancer was admitted for follow-up CT scan., 68 years, female

Clinical History: A healthy 39-year-old male presented with deep venous thrombosis (right external iliac and femoral veins) and was screened for occult neoplasms. A right kidney renal cell carcinoma was discovered and removed. A follow-up CT scan was performed one year later. In the meantime, the deep thrombosis had not completely resolved., 39 years, male

Clinical History: 51-year-old male, heavy multidrug abuser (tobacco, alcohol, cannabis, amphetamines). Attended the Emergency Department due to mild abdominal pain for 3 days. Initial tests showed electrocardiographic alterations suggestive of coronary syndrome, not considered acute by the cardiologists. He also presented with punctate acral skin lesions and altered blood liver markers., 51 years, male

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To know the parameters of Doppler ultrasonography to optimize studiesTo analyze and describe the normal morphological and hemodynamic characteristics of carotid arteries in order to interpret the usual flow parameters and...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Deep vein thrombosis (DVT) is a blood clot of the deep veins, most commonly of the lower limbs, which can potentially lead to a deadly pulmonary embolism (PE). The diagnosis of a DVT is made in a multi-step process consisting of clinical scores,...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Acute chest pain can have various urgent diagnostic orientations, which can rapidly engage the vital prognosis, especially in older patients with comorbidities. Our aim is to remind young radiologists of the Triple Rule Out (TRO) technique and its...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: The impact of different diluted iodine contrast medium on central venous imaging...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: The purpose of this educational exhibit is: To approach the Hughes-Stovin syndrome (HSS) and its main manifestations . To elucidate the principal imaging findings in order to facilitate the diagnosis of HSS...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Budd-Chiari syndrome (BCS) is a clinical condition resulting from impaired hepatic venous drainage, in which there is an obstruction to the hepatic venous outflow at any level from the small hepatic veins to the junction of the inferior vena cava...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To recognize and compare different types of atherosclerotic lesions on computed tomography angiography (CTA). To assess the risk for future cardiac events according to each type of lesion. To decide on appropriate follow-up imaging techniques and/or...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Review and evaluate the imaging findings in patients that have undergone percutaneous endovascular and/or surgical embolectomy for treatment of massive pulmonary embolism. Discuss common and uncommon postprocedural/postoperative findings, as well as...

Clinical History: A 64-year-old male with history of diabetes mellitus, dyslipidemia, coronary artery disease admitted with low grade fever, breathing difficulties and positive RT-PCR for COVID-19 infection from throat swab. The patient developed complaint of diffuse abdominal pain 8 days after admission., 64 years, male

Purpose Methods and materials Results Conclusion Personal information References, Purpose: Venous thromboembolism (VTE) affects approximately 17,000 Australians annually 1 .While anticoagulation is the mainstay of treatment, inferior vena cava filters (IVCF) are used in patients where this is contraindicated. Most new IVCF inserted are...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Review the main abdominal findings related to vascular alterations in patients with COVID-19. Demonstrate some of these findings through Multidetector Computed Tomography or Magnetic Resonance Imaging and emphasize the use of CT-angiography and...

Learning objectives Background Imaging findings OR Procedure details Conclusion Personal information References, Learning objectives: To present a case of cerebral venous thrombosis (CVT) masquerading as acute arterial stroke. To review the imaging features of CVT seen on acute CT stroke imaging. To consider and routinely look for signs of CVT, particularly when there is...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: -Describe the pathophysiology and clinical presentation of SARS-CoV-2 on coagulatory pathway. -Recognize key imaging features of vascular manifestations of...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To review the basic anatomy and histology of the spleen with schematic drawing. To cover what is already known about Multisystem Inflammatory Syndrome in Children (MIS-C) and its diagnostic criteria by the World Health Organization (WHO). Present a...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Since 2002, transcatheter aortic valve implantation (TAVI) has emerged as treatment for patients with severe aortic stenosis, nowadays also in those patients at intermediate surgical risk. Despite constant innovations, cerebrovascular events remain...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To demonstrate the imaging spectrum of neurovascular complications from CNS infections in HIV patients. To review the pathophysiology mechanisms of stroke in CNS...

Clinical History: A 35-year-old male diagnosed with retroperitoneal lymph node metastases four months after orchiectomy due to a mixed non-seminoma (95%) and seminoma (5%) germ cell tumor of the right testis, presented with aggravated morphine-demanding pain in the right flank. Symptoms debuted prior to scheduled chemotherapy with curative intent., 35 years, male

Clinical History: A 74-year-old elderly male was brought to the emergency department with history of acute onset right-sided chest pain and mild fever. He had a history of on and off shortness of breath since last six months. No past medical history of diabetes or hypertension was noted., 74 years, male

Clinical History: A 67-year-old male patient presented at the emergency service with a history of chronic right lower limb pain worsening after low energy trauma. There was a previous history of varices surgery in the right lower limb., 67 years, male

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: ●To understand the imaging characteristics of Carotid Webs (CW) on CT Angiography (CTA). ●To become familiar with the differential diagnoses of CW and the conditions in which a CW can be missed on...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: This educational exhibit in the form of a pictorial review aims to help the viewer understand the following points in relation borderzone infarctions To classify the different types of borderzone infarction To understand the underlying causative...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To review the different superior mesenteric artery (SMA) pathologies that cause intestinal ischemia. Expose the different endovascular procedures according to each...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To illustrate US, CT and MR imaging findings in portal venous system thrombosis in order to perform a proper differential diagnosis in the routine clinical practice and establish the most appropriate therapeutic approach and...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To outline the commonest indications for Contrast Enhanced Ultrasound in imaging blood...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To demonstrate the significance of a iatrogenic femoral pseudoaneurysm formation. To estimate the appropriate diagnosis with Doppler Ultrasound (US). To describe an educational guide for percutaneous injection of thrombin under US guidance in order...

Purpose Methods and materials Results Conclusion Personal information and conflict of interest References, Purpose: Numerous studies have reviewed the incidence of malignancy after an episode of unproved venous thromboembolism and found it to be in the region of 4% 1,2 . As expected, the common cancers detected in this cohort mirror that of the general population...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: Recognize the main cerebral venous structures. Describe the main radiological findings that help us reach the diagnosis of cerebral vein thrombosis. Learn about some of the most common pitfalls that may lead to...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To present the direct and indirect signs of cerebral venous thrombosis in the different imaging...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: To illustrate theradiological findings ofcentralveno-occlusive disease withdirect CT venography (CTV). To emphasize the importance and contribution ofdirect CTV in the diagnosis of central veno-occlusive disease in hemodialysis...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: The purpose of this study is to describe the iliac venous variations in cases of duplication of inferior vena cava (IVC) and occurrence of double superior vena cava (SVC) in association with IVC...

Learning objectives Background Findings and procedure details Conclusion Personal information and conflict of interest References, Learning objectives: - To present the technique of examination (with main technical limitations) and appropriate indications for renal Doppler ultrasonography (RDU) with typical diagnostic imaging findings - Review the main diagnostic criteria proposed for RDU (with...