Abstract Endometriosis is a common benign gynecological condition defined as the presence of endometrial tissue located outside the uterus and frequently associated with chronic pelvic pain and infertility. It is a polymorphic disease that can be presented as superficial implants, endometriomas and deep lesions that infiltrate the peritoneal surface associated with fibrosis and inflammatory reaction. Diagnosis of deep endometriosis is difficult and delayed, frequently missed...
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Abstract With increasing reliance on imaging, a large number of patients presenting with a groin lump are being referred to radiology to confirm the diagnosis of hernia, usually with an ultrasound in the first instance (occasionally MRI or CT). However, when imaging of the groin was performed, we have encountered many different kinds of non-hernia lesions in our practice. Such lesions can be categorized based on their tissue of origin and pathology. A specific diagnosis can often...
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Abstract This an interesting case of an asymptomatic 60-year-old postmenopausal patient with an incidental pelvic mass mimicking a pelvic malignancy on imaging. Biopsy revealed findings consistent with polypoid endometriosis. After discontinuation of hormone replacement therapy, the mass showed decrease in size on follow-up imaging. Polypoid endometriosis is a rare but distinct variant of endometriosis with histopathologic features akin to an endometrial polyp. Clinical and imaging...
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Abstract Purpose To estimate the benefit of pelvic magnetic resonance (MR) imaging after routine pelvic ultrasound (US) in patients with pathologically or surgically proven endometriosis. Methods Patients with surgically or pathologically proven endometriosis who had routine pelvic US followed by pelvic MR within 6 months prior to surgery were...
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Abstract Purpose To establish thresholds for contrast enhancement-based attenuation (CM) and iodine concentration (IOD) for the quantitative evaluation of enhancement in renal lesions on single-phase split-filter dual-energy CT (tbDECT) and combine measurements in a machine learning algorithm to potentially improve performance. Material 126...
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Abstract Purpose The aim of the study was to quantify the value of pre-operative magnetic resonance imaging (MRI) in guiding surgical management of women with endometriosis. Methods Pre-operative discussion of patient management and review of imaging occurred for 136 patients with endometriosis in an MRI-based multidisciplinary conference co-directed...
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Abstract Objectives To assess the prevalence and severity of perirenal hyperintensities (PRHs) on T2-weighted magnetic resonance imaging (MRI) and their risk factors in the general population. Methods 1752 participants (910 women, 842 men, median age: 52 years) of the Study of Health in Pomerania were included. A visual classification system was established...
Thu May 07, 2020 03:00
Abstract Purpose To investigate the prevalence and patterns of aberrant gastric venous drainage and associated atrophy of the hepatic segment on contrast-enhanced computed tomography (CT). Methods Two radiologists retrospectively reviewed contrast-enhanced CT images from 2021 patients who underwent cone-beam CT-guided chemoembolization between January 2013...
Thu May 07, 2020 03:00
Abstract Purpose To investigate the added value of considering hypointensity on late portal venous phase (LPVP) images as washout for diagnosis of hepatocellular carcinoma (HCC) using gadoxetic acid-enhanced MRI (Gd-EOB-MRI) in patients with chronic liver disease (CLD). Methods This retrospective study comprised 97 patients at high risk for HCC who underwent...
Thu May 07, 2020 03:00
Abstract Purpose To compare the image quality of multiphasic (arterial, portal, and equilibrium phases) dynamic computed tomography (CT) of the abdomen obtained by a low tube voltage (70kVp) in combination with a half-dose iodine load using low-concentration contrast agent in high tube output dual-source CT with a standard tube voltage (120kVp) and full-dose iodine load using the same group of adult patients. ...
Thu May 07, 2020 03:00
Abstract Purpose The purpose of this study was to identify the significant imaging predictors of transmural intestinal necrosis in patients with acute mesenteric ischemia (AMI). Methods The medical records and CT imaging of 48 patients between 2011 and 2019 suspected of having AMI that underwent exploratory laparotomy with bowel resection and pathological...
Thu May 07, 2020 03:00
Abstract Purpose To evaluate diagnostic values of the liver imaging reporting and data system (LI-RADS) M (LR-M) category based on novel explicit criteria that accept both targetoid and nontargetoid LR-M features and the suggested reporting algorithm of LI-RADS v2018 to assess primary liver cancers (PLCs) on gadoxetic acid-enhanced MRI (Gd-EOB-MRI). Methods ...
Thu May 07, 2020 03:00
Abstract Purpose To evaluate the diagnostic performance of LR-M criteria for differentiating hepatocellular carcinoma, intrahepatic mass-forming cholangiocarcinoma, and combined hepatocellular-cholangiocarcinoma and to compare the imaging features of each type. Methods In this retrospective study, 110 patients were surgically diagnosed with cholangiocarcinoma...
Wed May 06, 2020 03:00
Abstract This essay aimed to illustrate the various hepatic nodules that may exhibit arterial phase hyperenhancement and washout on computed tomography/magnetic resonance imaging (CT/MRI). Hepatic nodules with arterial phase hyperenhancement and washout on CT/MRI include hepatocellular carcinoma, focal nodular hyperplasia-like nodules, serum amyloid A-positive hepatocellular neoplasms, intrahepatic cholangiocarcinoma, intrahepatic bile duct adenoma, hepatoblastoma, hepatocellular...
Wed May 06, 2020 03:00
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