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European Journal of Radiology Open

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https://www.readbyqxmd.com/read/28275657/utility-of-coronal-contrast-enhanced-fat-suppressed-flair-in-the-evaluation-of-optic-neuropathy-and-atrophy
#1
Kevin H Boegel, Andrew E Tyan, Veena R Iyer, Jeffrey B Rykken, Alexander M McKinney
BACKGROUND AND PURPOSE: Evaluating chronic sequelae of optic neuritis, such as optic neuropathy with or without optic nerve atrophy, can be challenging on whole brain MRI. This study evaluated the utility of dedicated coronal contrast-enhanced fat-suppressed FLAIR (CE-FS-FLAIR) MR imaging to detect optic neuropathy and optic nerve atrophy. MATERIALS AND METHODS: Over 4.5 years, a 3 mm coronal CE-FS-FLAIR sequence at 1.5T was added to the routine brain MRIs of 124 consecutive patients, 102 of whom had suspected or known demyelinating disease...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28275656/retroperitoneal-inflammatory-myofibroblastic-tumor-a-case-report
#2
Oliveira Carlos, Costa Rui, Estêvão Amélia, Caseiro-Alves Filipe
Inflammatory myofibroblastic tumors (IMT) were previously included in the "inflammatory pseudotumors" family, but have emerged as a distinct entity recently. The management of IMT may be challenging due to its intermediate malignant potential. We present a case of a young patient with an asymptomatic retroperitoneal mass with some imaging findings that could point to the IMT diagnosis pre-operatively. After two failed attempts to fully characterize the lesion by percutaneous and surgical biopsy, surgical resection was conducted and the final diagnosis was achieved...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28203621/comparative-study-evaluating-the-efficiency-of-cooled-and-uncooled-single-treatment-mwa-in-thyroid-nodules-after-a-3-month-follow-up
#3
Oscar Maximilian Mader, Nadine Farivar Tanha, Alexander Mader, Christian Happel, Yücel Korkusuz, Frank Grünwald
OBJECTIVE: The aim of this study was to evaluate and compare the efficacy of single-treatment cooled and uncooled microwave ablation in thyroid nodules. METHODS: Eighteen patients (11 women) with an average age of 62 years (range: 41-80) with 18 cold, mainly solid or solid thyroid nodules were treated with cooled or uncooled microwave ablation. Pain during the treatment was measured on a 10-point score. Side effects revealed by ultrasound or patients' complaints were documented...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28203620/schwannoma-of-the-tongue-a-common-tumour-in-a-rare-location-a-case-report
#4
Ines Abreu, Diogo Roriz, Pedro Rodrigues, Ângela Moreira, Cristina Marques, Filipe Caseiro Alves
Schwannoma is a benign tumour that arises from Schwann cells of the peripheral nerve sheath, and is a common tumour of the head and neck. However, intraoral location is very uncommon (only 1% of all head and neck schwannomas). We report a rare case of lingual schwannoma in a 20-year-old male patient who presented with a small, slow-growing mass over the right lateral border of the tongue with 1 year of evolution and that became recently ulcerated. The patient underwent MRI examination and complete surgical excision...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27957519/low-dose-chest-ct-protocol-50%C3%A2-mas-as-a-routine-protocol-for-comprehensive-assessment-of-intrathoracic-abnormality
#5
Takeshi Kubo, Yoshiharu Ohno, Mizuki Nishino, Pei-Jan Lin, Shiva Gautam, Hans-Ulrich Kauczor, Hiroto Hatabu
PURPOSE: To determine the diagnostic capability of low-dose CT (50 mAs) in comparison to standard-dose CT (150 mAs). MATERIALS AND METHODS: Fifty-nine consecutive patients underwent two non-contrast chest CT scans with different current-time products (50 and 150 mAs at 120 kVp) on a 64-detector row CT scanner. Three board certified chest radiologists independently reviewed 118 series of 2 mm-thick images (2 series for each of 59 patients) in a random order...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27957518/diffusion-weighted-mr-imaging-of-pancreatic-cancer-a-comparison-of-mono-exponential-bi-exponential-and-non-gaussian-kurtosis-models
#6
REVIEW
Nikolaos Kartalis, Georgios C Manikis, Louiza Loizou, Nils Albiin, Frank G Zöllner, Marco Del Chiaro, Kostas Marias, Nikolaos Papanikolaou
OBJECTIVES: To compare two Gaussian diffusion-weighted MRI (DWI) models including mono-exponential and bi-exponential, with the non-Gaussian kurtosis model in patients with pancreatic ductal adenocarcinoma. MATERIALS AND METHODS: After written informed consent, 15 consecutive patients with pancreatic ductal adenocarcinoma underwent free-breathing DWI (1.5T, b-values: 0, 50, 150, 200, 300, 600 and 1000 s/mm(2)). Mean values of DWI-derived metrics ADC, D, D*, f, K and DK were calculated from multiple regions of interest in all tumours and non-tumorous parenchyma and compared...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27957517/crohn-s-disease-activity-abdominal-computed-tomography-histopathology-correlation
#7
N Paquet, J N Glickman, S M Erturk, P R Ros, J T Heverhagen, M A Patak
PURPOSE: Crohn's disease is a type of inflammatory bowel disease affecting estimated 4 million people worldwide. Therapy stratification of Crohn's disease (CD) is mainly based on the inflammatory activity being assessed by endoscopic biopsy and clinical criteria. Cross-sectional imaging allows for the assessment of structural characteristics of the entire gastrointestinal tract including small bowel loops and may provide potential non-invasive image-based biomarkers for the inflammatory activity of CD...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27957516/standard-dose-vs-low-dose-ct-protocols-in-the-evaluation-of-localized-lung-lesions-capability-for-lesion-characterization-ilead-study
#8
Takeshi Kubo, Yoshiharu Ohno, Daisuke Takenaka, Mizuki Nishino, Shiva Gautam, Kazuro Sugimura, Hans Ulrich Kauczor, Hiroto Hatabu
OBJECTIVE: To determine the lesion characterization capability by low dose CT for localized lung lesions in comparison with standard dose CT. SUBJECTS AND METHODS: Approval for this study was granted by our Institutional Review Board. Fifty-two consecutive patients (36 males and 16 females, median age of 71 years.) who had CT examinations for evaluation of lung lesions comprise the study population. Two chest CT scans were performed with current time product of 50 and 150 mAs at 120 kVp, with the same scan length with a 16 detector-row CT scanner...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27900349/symptomatic-bilateral-coronary-artery-fistula-to-pulmonary-artery-in-elderly-patient
#9
Francisco Pereira da Silva, Paulo Donato, Henrique Donato, Elisabete Jorge, Maria Joao Ferreira, Filipe Caseiro-Alves
We report the imaging findings of an uncommon coronary vascular termination anomaly, with fistula to the pulmonary artery. This 70 year old female patient presented unstable angina, showing a coronary artery fistula depicted in coronary angiogram from the left coronary to the pulmonary artery, with no significant atherosclerotic pathology. Due to development of ventricular tachycardia in stress echocardiogram examination, she was proposed for coronary fistula closure. Coronary CT was performed for procedure planning and allowed the identification of a second unsuspected fistula from the right coronary to the right pulmonary artery...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27900348/implementation-of-musculoskeletal-ultrasonography-in-detection-of-early-juvenile-idiopathic-arthritis
#10
Ayman F Darwish, Faten M Ismael, Abdou Ell-Laban, Ahmed Hamed, Moustafa Abdel Kader, Ashraf Osman
AIM: To determine whether early clinical, laboratory and musculoskeletal ultrasound (MSUS) characteristics can be used as early detectors of juvenile idiopathic arthritis. PATIENTS AND METHODS: Forty (40) patients with juvenile idiopathic arthritis (JIA) diagnosed according to the ILAR criteria [1] and 20 healthy control children. All patients were subjected to the following assessment at base line and at follow up after 6 months: Clinical evaluation, MSUS examination and laboratory evaluation...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27844041/chondral-lesions-in-the-patellofemoral-joint-in-mri-intra-individual-comparison-of-short-tau-inversion-recovery-sequence-stir-with-2d-multiple-echo-data-image-combination-sequence-medic
#11
Boris Bodelle, Wolfgang Luboldt, Julian L Wichmann, Sebastian Fischer, Thomas J Vogl, Martin Beeres
PURPOSE: To determine the value of the 2D multiple-echo data image combination (MEDIC) sequence relative to the short-tau inversion recovery (STIR) sequence regarding the depiction of chondral lesions in the patellofemoral joint. MATERIALS AND METHODS: During a period of 6 month patients with acute pain at the anterior aspect of the knee, joint effusion and suspected chondral lesion defect in the patellofemoral joint underwent MRI including axial MEDIC and STIR imaging...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27830163/dual-energy-ct-of-liver-metastases-in-patients-with-uveal-melanoma
#12
Jens Altenbernd, Axel Wetter, Michael Forsting, Lale Umutlu
OBJECTIVE: To investigate the value of different kVp images of dual-energy CT (DECT) for the detection of liver metastases. METHODS: 20 Patients with uveal melanoma were investigated with DECT of the liver. In each patient contrast-enhanced DECT imaging with arterial delay was performed. Number and size of metastases were documented on arterial phase 80-kVp images, virtual 120-kVp images and following angiographic images (DSA) as part of hepatic chemoperfusion. Attenuation of metastases and several anatomic regions, subjective (image noise, image quality) and objective (SNR, CNR) parameters were documented...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27819016/collteral-loop-approach-from-left-to-right-liver-lobe-endovascular-recanalization-of-a-hepatic-vein-in-budd-chiari-syndrome
#13
Francisco Pereira da Silva, Paulo Donato, Filipe Caseiro-Alves
We report the approach to a 29 year old patient presenting with the diagnosis of a Budd-Chiari Syndrome, with clinical deterioration after initial anticoagulation treatment. The patient was proposed to endovascular treatment. Through intra-hepatic shunting seen at angiography, and from a left to right liver lobe, a guide-wire was passed retrogadely and allowed sufficient support to perform hepatic vein angioplasty and stenting. The patient responded favourably and liver transplant was avoided.
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27709120/mri-features-in-17-patients-with-l2-hydroxyglutaric-aciduria
#14
Héla Fourati, Emna Ellouze, Mourad Ahmadi, Dhouha Chaari, Fatma Kamoun, Ines Hsairi, Chahnez Triki, Zeineb Mnif
l-2-Hydroxyglutaric (l-2-HG) aciduria is a rare inherited metabolic disease usually observed in children. Patients present a very slowly progressive deterioration with cerebellar ataxia, mild or severe mental retardation, and various other clinical signs including extrapyramidal and pyramidal symptoms, and seizures Goffette et al. [1]. This leukencephalopathy was first described in 1980 Duran et al. [2]. Brain magnetic resonance imaging (MRI) demonstrates nonspecific subcortical white matter (WM) loss, cerebellar atrophy and changes in dentate nuclei and putamen Steenweg et al...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27622202/the-diagnostic-value-of-time-resolved-mr-angiography-with-gadobutrol-at-3%C3%A2-t-for-preoperative-evaluation-of-lower-extremity-tumors-comparison-with-computed-tomography-angiography
#15
Gang Wu, Teng Jin, Ting Li, Xiaoming Li
PURPOSE: To evaluate the diagnostic value of time resolved magnetic resonance angiography with interleaved stochastic trajectory (TWIST) using Gadobutrol for preoperative evaluation of lower extremity tumors. MATERIALS AND METHODS: This prospective study was approved by the local Institutional Review Board. 50 consecutive patients (31 men, 19 women, age range 18-80 years, average age 42.7 years) with lower extremity tumors underwent TWIST and computed tomography angiography (CTA)...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27622201/the-value-of-constant-sharpness-as-a-diagnostic-sign-in-mr-mammography
#16
REVIEW
Clemens G Kaiser, Pascal Baltzer, Anna K Kaiser, Julia Krammer, Michael Uder, Werner A Kaiser, Matthias Dietzel
PURPOSE: To examine "constant lesion sharpness" as a morphological diagnostic sign in the differential diagnosis between benign and malignant lesions. MATERIAL AND METHODS: This prospective study had institutional review board approval and was HIPAA compliant. In total 1014 consecutive patients were examined (mean age 55 years ± 13 years) and evaluated in our University hospital towards the morphological shape of the lesion borders. The "Constant sharpness Sign" was defined as a lesion remaining continuously sharp for the duration of the dynamic scan...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27622200/treatment-response-after-radioembolisation-in-patients-with-hepatocellular-carcinoma-an-evaluation-with-dual-energy-computed-tomography
#17
Jens Altenbernd, Axel Wetter, Michael Forsting, Lale Umutlu
PURPOSE: The aim of this prospective study was to examine the diagnostic value of dual-energy CT (DECT) in the assessment of response of HCC after radioembolisation (RE). MATERIAL AND METHODS: 40 HCC patients with 82 measurable target lesions were included in this study. At baseline and follow-up examination target lesions were evaluated with (IU), AASLD and Choi measurement criteria. Disease control was defined as the sum of complete response (CR), partial response (PR), progression disease (PD) and stable disease (SD)...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27579337/radiological-and-pathological-analysis-of-ldct-screen-detected-and-surgically-resected-sub-centimetre-lung-nodules-in-44-asymptomatic-patients
#18
Xing Hu, Jiangmin Zhao, Haishan Qian, Guangyan Du, Margaret Kelly, Hua Yang
PURPOSE: Once lung cancer is detected due to clinical symptoms or by being visible on chest X-ray, it is usually high stage and non-operable. In order to improve mortality rates in lung cancer, low-dose CT (LDCT) screening of "high risk" individuals is gaining popularity. However, the rate of malignancy in LDCT detected sub-centimetre lung nodules is not clear. We aimed to analyze surgically resected specimens in this patient group to explore cost effectiveness and recommendations for clinical management of these nodules...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27570804/low-dose-time-resolved-ct-angiography-in-pediatric-patients-with-venous-malformations-using-3rd-generation-dual-source-ct-initial-experience
#19
Thomas Henzler, Nils Vogler, Bettina Lange, Franz Dally, Mathias Meyer, Stefan O Schoenberg, Maliha Sadick
OBJECTIVES: To prospectively evaluate the diagnostic value and radiation dose of time-resolved CT-Angiography (4D-CTA) in pediatric patients with venous malformations using 3rd generation dual-source CT (DSCT) at 70 kVp tube voltage. METHODS: Between November 2014 and August 2015, seven children (2 male, 5 female; median age, 9 years; range 3-12 years) with suspected peripheral, non-cerebral, venous malformations were included in this feasibility study and underwent US, MRI and 4D-CTA...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27570803/contribution-of-diffusion-weighted-mr-imaging-in-follow-up-of-inflammatory-appendiceal-mass-preliminary-results-and-review-of-the-literature
#20
Oğuzhan Özdemir, Yavuz Metin, Nurgül Orhan Metin, Ali Küpeli, Süleyman Kalcan, Filiz Taşçı
OBJECTIVE: We aimed to search the contribution of diffusion-weighted imaging (DWI) in follow-up of patients with acute appendicitis associated inflammatory appendiceal mass (IAM). DWI was used as a monitoring imaging method to assess the response of medical treatment. MATERIALS AND METHODS: 19 patients (mean age, 37+-13.1; age range, 19-69; M/F: 10/9), presented with clinical, laboratory and computed tomography (CT) findings suggestive of IAM were enrolled prospectively in this study...
2016: European Journal of Radiology Open
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