AIM: To evaluate the downstaging rates in hepatitis C virus-patients with hepatocellular carcinoma (HCC), treated with degradable starch microspheres transcatheter arterial chemoembolization (DSM-TACE), to reach new-Milan-criteria (nMC) for transplantation.
OBJECTIVE: This article describes the typical imaging findings and clinical features that are associated with four abdominal vascular compression syndromes. We explain the underlying pathophysiology that results in these clinical syndromes so that the patient subset who will benefit from treatment can be identified.
OBJECTIVE. Acute mesenteric venous thrombosis signs at MDCT are well described, but the literature lacks studies assessing their evolution. We aimed to describe the radiologic evolution of isolated acute mesenteric venous thrombosis and associated prognostic factors.
OBJECTIVE. The purpose of this study was to evaluate the prevalence of mesenteric venous thrombosis (MVT) in the Swiss Inflammatory Bowel Disease Cohort Study and to correlate MVT with clinical outcome.
OBJECTIVE. The purpose of this study was to prospectively evaluate the diagnostic impact of prototypic software that allows registration of CT images before and after radiofrequency ablation (RFA) for safety margin assessment, as well as to determine the therapeutic impact of this software on local tumor progression in comparison with the conventional method of side-by-side CT comparison.
OBJECTIVE. The objective of our study was to help clarify the role of CT-guided pudendal nerve blocks in the problematic and poorly understood entity of pudendal neuralgia (PN).
OBJECTIVE. The purposes of this study were to assess the widths of the intercostal spaces of the right inferior human rib cage through which high-intensity focused ultrasound therapy would be applied for treating liver cancer and to elucidate the demographic factors associated with intercostal space width.
PURPOSE: With the increased recognition of the capabilities of prostate multiparametric (mp) magnetic resonance imaging (MRI), attempts are being made to incorporate MRI into routine prostate biopsies. In this study, we aimed to analyze the diagnostic yield via cognitive fusion, transrectal ultrasound (TRUS)-guided, and in-bore MRI-guided biopsies in biopsy-naive patients with positive findings for prostate cancer screening.
Parallel endografts such as “chimney” and “periscope” are being increasingly used to maintain blood flow to visceral and supra-aortic branches in patients with different aortic disorders. We present a new technique, “iliorenal periscope graft”, in a patient with abdominal aortic aneurysm undergoing endovascular aortic repair. In this case, left accessory renal artery flows were provided by an iliorenal periscope graft that extends from the left accessory renal artery to the right common iliac artery in a retrograde fashion.
Pulmonary embolism (PE) is a potentially life threatening condition requiring adequate diagnosis and treatment. Computed tomography pulmonary angiography (CTPA) is excellent for including and excluding PE, therefore CT is the first-choice diagnostic imaging technique in patients suspected of having acute PE. Due to its wide availability and low invasiveness, CTPA tends to be overused. Correct implementation of clinical decision rules in diagnostic workup for PE improves adequate use of CT. Also, CT adds prognostic value by evaluating right ventricular (RV) function.
The purpose of this study was to perform a meta-analysis and systematic review of the clinical efficacy and safety of radiofrequency (RF) ablation in the treatment of intrahepatic cholangiocarcinoma (ICC). A comprehensive literature search of Ovid MEDLINE and EMBASE identified studies describing the use of RF ablation in the treatment of ICC. Data describing overall survival, local tumor progression, and complications were collected. Seven observational studies that comprised 84 patients were reviewed. The pooled 1-year, 3-year, and 5-year survival rates were 82% (95% confidence interval [CI], 72%–90%), 47% (95% CI, 28%–65%), and 24% (95% CI, 11%–40%). One or 2 major complications occurred in 4 studies, and 1 patient died of liver abscess and subsequent sepsis despite treatment with percutaneous drainage and antibiotics. RF ablation is a locoregional treatment option that prolongs survival rates in patients with ICC who are ineligible for surgery.
Several techniques have been reported to address different endovascular device failures. We report the case of a premature deployment of a covered balloon mounted stent during endovascular repair of a post-traumatic carotid-cavernous fistula (CCF). A 50-year-old male suffered a fall resulting in loss of consciousness and multiple facial fractures. Five weeks later, he developed decreased left visual acuity, proptosis, chemosis, limited eye movements and cranial/orbit bruit. Cerebral angiography demonstrated a direct left CCF and endovascular repair with a 5.0 mm × 19 mm covered stent was planned. Once in the lacerum segment, increased resistance was encountered and the stent was withdrawn resulting in premature deployment. A 3 mm × 9 mm balloon was advanced over an exchange length microwire and through the stent lumen. Once distal to the stent, the balloon was inflated and slowly pulled back in contact with the stent. All devices were successfully withdrawn as a unit. The use of a balloon to retrieve a prematurely deployed balloon mounted stent is a potential rescue option if leaving the stent in situ carries risks.
The vasa vasorum of carotid artery plaque is a novel marker of accurately evaluating the vulnerability of carotid artery plaque, which was associated with symptomatic cerebrovascular and cardiovascular disease. The presence of ultrasound contrast agents in carotid artery plaque represents the presence of the vasa vasorum in carotid artery plaque because the ultrasound contrast agents are strict intravascular tracers. Therefore, contrast-enhanced ultrasound (CEUS) is a novel and safe imaging modality for evaluating the vasa vasorum in carotid artery plaque. However, there are some issues that needs to be assessed to embody fully the clinical utility of the vasa vasorum in carotid artery plaque with CEUS.
Medical imaging and interventional radiology sustained prompt changes in the last few years, mainly as a result of technology breakthroughs, rise in workload, deficit in workforce and globalization. Risk is considered to be the chance or possibility of incurring loss or of a negative event happening that may cause injury to patients or medical practitioners. There are various causes of risks leading to harm and injury in radiology departments, and it is one of the objectives of this paper to scrutinize some of the causes. This will drive to consideration of some of the approaches that are used in managing risks in radiology. This paper aims at investigating risk management in radiology, and this will be achieved through a thorough assessment of the risk control measures that are used in the radiology department. It has been observed that the major focus of risk management in such medical setting is to reduce and eliminate harm and injury to patients through integration of various medical precautions. The field of Radiology is rapidly evolving due to technology advances and the globalization of healthcare. This ongoing development will have a great impact on the level of quality of care and service delivery. Thus, risk management in radiology is essential in protecting the patients, radiologists, and the medical organization in terms of capital and widening of the reputation of the medical organization with the patients.
AIM: To identify the most effective treatment of duodenal stump fistula (DSF) after gastrectomy for gastric cancer.
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