The value of combined positron emission tomography/magnetic resonance imaging to diagnose inflammatory bowel disease: a prospective study.
CONCLUSION: 18F-FDG PET/MRI is a promising method of detecting especially severe inflammatory bowel lesions. More data are required to define its sensitivity and specificity. PMID: 32722966 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 28, 2020 Category: Radiology Authors: Tenhami M, Virtanen J, Kauhanen S, Koffert J, Kemppainen J, Saunavaara V, Kujari H, Hurme S, Teperi S, Voutilainen M Tags: Acta Radiol Source Type: research

Pre-treatment prediction of early response to chemoradiotherapy by quantitative analysis of baseline staging FDG-PET/CT and MRI in locally advanced cervical cancer.
Abstract BACKGROUND: Early prediction of response to concurrent chemoradiotherapy (cCRT) could aid to further optimize treatment regimens for locally advanced cervical cancer (LACC) in the future. PURPOSE: To explore whether quantitative parameters from baseline (pre-therapy) magnetic resonance imaging (MRI) and FDG-PET/computed tomography (CT) have potential as predictors of early response to cCRT. MATERIAL AND METHODS: Forty-six patients with LACC undergoing cCRT after staging with FDG-PET/CT and MRI were retrospectively analyzed. Primary tumor volumes were delineated on FDG-PET/CT, T2-weighted (T2W)-M...
Source: Acta Radiologica - July 28, 2020 Category: Radiology Authors: Min LA, Ackermans LL, Nowee ME, Griethuysen JJV, Roberti S, Maas M, Vogel WV, Beets-Tan RG, Lambregts DM Tags: Acta Radiol Source Type: research

The transluminal attenuation gradient does not add diagnostic accuracy to coronary computed tomography.
CONCLUSION: The results from our study showed no incremental value of TAG measured in single heartbeat CCTA in determining the severity of coronary artery stenosis degrees. PMID: 32722968 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 28, 2020 Category: Radiology Authors: Henriksson L, Woisetschläger M, Alfredsson J, Janzon M, Ebbers T, Engvall J, Persson A Tags: Acta Radiol Source Type: research

Accuracy of abbreviated multiparametric MRI-derived protocols in predicting local staging of prostate cancer in men undergoing radical prostatectomy.
CONCLUSION: When comparing the diagnostic accuracy of multiple aMRI protocols against mpMRI for predicting stage ≥pT3 PCa, the protocol with the fewest sequences (DWI + tT2W) is apparently equivalent to standard mpMRI. PMID: 32718179 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 27, 2020 Category: Radiology Authors: Giannarini G, Cereser L, Como G, Bonato F, Pizzolitto S, Valotto C, Ficarra V, Moro FD, Zuiani C, Girometti R Tags: Acta Radiol Source Type: research

Diverse MRI findings and clinical outcomes of acute Marchiafava-Bignami disease.
CONCLUSION: The MRI findings and clinical outcomes of acute MBD are regular. The extensive restricted diffusion of acute MBD may present the curable condition. Callosal heterogeneity may affect the outcome of acute MBD. PMID: 32718180 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 27, 2020 Category: Radiology Authors: Li W, Ran C, Ma J Tags: Acta Radiol Source Type: research

How does PI-RADS v2.1 impact patient classification? A head-to-head comparison between PI-RADS v2.0 and v2.1.
CONCLUSION: The most prominent change between v2.0 and v2.1 was observed in the TZ with the downgrading of typical benign prostatic hyperplasia nodules from category 2 into category 1. Overall, there were no significant changes in the number of positive and negative MRI results, with an expected low influence in clinical management. PMID: 32702998 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 23, 2020 Category: Radiology Authors: Linhares Moreira AS, De Visschere P, Van Praet C, Villeirs G Tags: Acta Radiol Source Type: research

The prominent value of apparent diffusion coefficient in assessing high-risk factors and prognosis for patients with endometrial carcinoma before treatment.
CONCLUSION: Our study showed that ADC values could be applied to assess the high-risk factors of EC before treatment and might significantly relate to the prognosis of EC. It might contribute to managing initial individualized treatment schedule and improve outcome in patients with EC. PMID: 32702999 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 23, 2020 Category: Radiology Authors: Quan Q, Lu Y, Xuan B, Wu J, Yin W, Hua Y, Chen R, Ren S, Zhou S, Zhang F, Meng Y, Rao K, Mu X Tags: Acta Radiol Source Type: research

Mass and non-mass breast MRI patterns: a radiologic approach to sick lobe theory.
CONCLUSION: In this study, the mass and non-mass patterns derived from sick lobe theory were related to different risks of malignancy in the pathological examinations. PMID: 32693609 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 21, 2020 Category: Radiology Authors: Guven S, Durur-Subasi I, Demirci E, Arikok AT, Karaman A, Han U, Hekimoglu B Tags: Acta Radiol Source Type: research

Analysis of false-negative findings of breast cancer on previous magnetic resonance imaging.
Abstract BACKGROUND: Despite the excellent contribution of contrast-enhanced breast magnetic resonance imaging (MRI), there are variable false-negative cases on MRI. PURPOSE: To evaluate the false-negative findings of breast cancer on previous MRI. MATERIAL AND METHODS: Between 2012 and 2016, we collected 132 patients who underwent surgery for a second primary cancer and had both current and previous MRI at an interval of
Source: Acta Radiologica - July 19, 2020 Category: Radiology Authors: Kim YE, Cha JH, Kim HH, Shin HJ, Chae EY, Choi WJ Tags: Acta Radiol Source Type: research

Tissue damage in herniated brain parenchyma into giant arachnoid granulations: demonstration with high resolution MRI.
Abstract BACKGROUND: Brain herniation (BH) into arachnoid granulation has been remarkable in recent years. PURPOSE: To evaluate the damage in herniated parenchyma into the giant arachnoid granulation (GAG) and to investigate the clinical-demographic importance of this damage. MATERIAL AND METHODS: Patients with BH into GAG were retrospectively included in the study. Each of the patients had at least one high-resolution 3D magnetic resonance imaging (MRI) sequence. The arachnoid granulation dimensions, locations, and origin of herniated parenchyma were evaluated by two experienced radiologists. The demogr...
Source: Acta Radiologica - July 19, 2020 Category: Radiology Authors: Gozgec E, Ogul H, Izgi E, Kantarci M Tags: Acta Radiol Source Type: research

Diagnostic efficacy of contrast-enhanced breast MRI versus X-ray mammography in women with different degrees of breast density.
CONCLUSION: CE-BMRI showed significantly higher sensitivity compared to XRM. PMID: 32678675 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 17, 2020 Category: Radiology Authors: Barkhausen J, Bischof A, Haverstock D, Klemens M, Brueggenwerth G, Weber O, Endrikat J Tags: Acta Radiol Source Type: research

The diagnostic value of postcontrast susceptibility-weighted imaging in the assessment of intracranial brain neoplasm at 3T.
Abstract BACKGROUND: Susceptibility-weighted imaging (SWI) is occasionally performed with intravenous gadolinium (Gd). It was reported that SWI can be performed after Gd injection without information loss or signal change. PURPOSE: To investigate the diagnostic value of contrast-enhanced SWI (CE-SWI) in the assessment of intracranial brain neoplasm. MATERIAL AND METHODS: After obtaining the approval of the local ethics committee, 35 brain neoplasm patients (24 with metastasis and 11 with glioblastoma multiforme [GBM]) were enrolled. In order to investigate the value of using CE-SWI, two neuroradiologists...
Source: Acta Radiologica - July 14, 2020 Category: Radiology Authors: Kang H, Jang S Tags: Acta Radiol Source Type: research

Value of MRI-based radiomics analysis for differentiation of benign and malignant epithelial neoplasms in the lacrimal gland: a retrospective study.
CONCLUSION: MRI-based radiomics analysis has potential for differentiation of benign and malignant epithelial neoplasms in the lacrimal gland. PMID: 32660315 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 13, 2020 Category: Radiology Authors: Guo J, Li Z, Qu X, Xian J Tags: Acta Radiol Source Type: research

Emergency neck MRI: feasibility and diagnostic accuracy in cases of neck infection.
CONCLUSION: We found that emergency neck MRI can be successfully performed on most patients, and that MRI detects neck infection with a high accuracy. These results suggest that MRI may be an alternative to CT as the first or only imaging modality in neck emergencies. PMID: 32660316 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 13, 2020 Category: Radiology Authors: Nurminen J, Velhonoja J, Heikkinen J, Happonen T, Nyman M, Irjala H, Soukka T, Mattila K, Hirvonen J Tags: Acta Radiol Source Type: research

Weighted or internal rotation radiographs are not useful in the classification of acromioclavicular joint dislocations.
CONCLUSION: This study does not support the use of weighted and internal rotation radiographs in the classification of acromioclavicular joint dislocations. PMID: 32660317 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 13, 2020 Category: Radiology Authors: Nordin JS, Mogianos F, Hauggaard A, Lunsjö K Tags: Acta Radiol Source Type: research

Differential patterns of interhemispheric functional connectivity between AQP4-optic neuritis and MOG-optic neuritis: a resting-state functional MRI study.
Abstract BACKGROUND: Several neuroimaging studies demonstrated that optic neuritis (ON) leads to functional and anatomical architecture changes in the brain. The alterations of interhemispheric functional connectivity (IFC) in patients with AQP4-ON and myelin oligodendrocyte glycoprotein (MOG)-ON are not well understood. PURPOSE: To investigate the differential patterns of VMHC in patients with AQP4-ON and MOG-ON. MATERIAL AND METHODS: Twenty-one patients with AQP4-ON, 11 patients with MOG-ON, and 34 healthy controls underwent resting-state MRI scans. One-way ANOVA was used to identify regions in which t...
Source: Acta Radiologica - July 13, 2020 Category: Radiology Authors: Sun M, Zhou H, Xu Q, Yang M, Xu X, Zhou M, Wei S Tags: Acta Radiol Source Type: research

Comparison of three FLAIR vascular hyperintensities methodologies in patients with acute ischemic stroke.
Abstract BACKGROUND: Multiple methods have been used to analyze fluid-attenuated inversion recovery (FLAIR) vascular hyperintensities (FVHs) which may represent collaterals in patients with acute ischemic stroke (AIS); however, there is no consensus between methods. PURPOSE: To compare three frequently used FVH methods for predicting early infarct volume and clinical outcome in patients with AIS. MATERIAL AND METHODS: Patients with AIS in middle cerebral artery territory were recruited. FVHs were evaluated using extensive FVHs, FVH-diffusion-weighted imaging (DWI) mismatch, and FVH-in/out-DWI. Infarct vo...
Source: Acta Radiologica - July 13, 2020 Category: Radiology Authors: Jing L, Sui B, Shen M, Qin H, Ke D, Gao P Tags: Acta Radiol Source Type: research

Possible neuroprotective effects of rasagiline in Alzheimer's disease: a SPECT study.
Abstract BACKGROUND: The current lack of effective treatments for Alzheimer's disease (AD) and the rapidly increasing burden of the disease highlight the urgent need to find new treatments. Despite accumulating evidence of the beneficial effects of rasagiline in neurodegenerative diseases such as Parkinson's disease, the effects of rasagiline on the brains of patients with AD have not been elucidated. PURPOSE: To examine the effects of rasagiline on regional cerebral flow (rCBF) in patients with AD using single photon emission computed tomography (SPECT). MATERIAL AND METHODS: Among 22 patients with AD, ...
Source: Acta Radiologica - July 9, 2020 Category: Radiology Authors: Song IU, Im JJ, Jeong H, Na SH, Chung YA Tags: Acta Radiol Source Type: research

Does diffusion-weighted magnetic resonance imaging have a place in the differential diagnosis of brucella sacroiliitis and seronegative spondyloarthropathy?
CONCLUSION: By adding DWI, which is a rapid MR sequence, to sacroiliac joint MR examination, normal bone marrow and bone marrow with sacroiliitis can be objectively differentiated with ADC measurements in addition to visual evaluation. PMID: 32646231 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 9, 2020 Category: Radiology Authors: Karayol SS, Karayol KC Tags: Acta Radiol Source Type: research

Reproducibility of radiomics features derived from intravoxel incoherent motion diffusion-weighted MRI of cervical cancer.
CONCLUSION: Inter- and intra-observer variability can affect radiomics analysis. Cognizant to this, multicenter studies should pay more attention to intra- and inter-observer variability. PMID: 32640886 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 8, 2020 Category: Radiology Authors: Chen H, He Y, Zhao C, Zheng L, Pan N, Qiu J, Zhang Z, Niu X, Yuan Z Tags: Acta Radiol Source Type: research

Osteoarthritis of the hip: are degenerative tears of the acetabular labrum predictable from features on hip radiographs?
Abstract BACKGROUND: A common feature of hip arthritis is the presence of labra tears. Recent literature suggests against the use of magnetic resonance imaging (MRI) in patients aged>45 years for the assessment of hip pain related to arthritis. PURPOSE: To determine if radiographic features of osteoarthritis detectable on routine hip radiographs are accurate and reliable surrogate markers of degenerative acetabular labral tears identified on MR arthrography (MRA) and corroborated during arthroscopy. MATERIAL AND METHODS: A retrospective study involving 86 symptomatic patients (hip pain) with radiologi...
Source: Acta Radiologica - July 8, 2020 Category: Radiology Authors: Gonzalez FM, Gagnon MH, Reiter D, Younan Y, Sayyid S, Singer A, Umpierrez M, Sharma GB, Robertson DD Tags: Acta Radiol Source Type: research

Diagnostic reference levels for fluoroscopically guided procedures in a South African tertiary hospital.
CONCLUSION: This study advances international radiation protection initiatives, addresses the paucity of LMIC DRL data, demonstrates broad alignment of Tygerberg Hospital FGP practice with international norms and highlights areas for optimization of institutional practice. PMID: 32640888 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 8, 2020 Category: Radiology Authors: Malan L, Pitcher RD, da Silva M, Breuninger S, Groenewald W Tags: Acta Radiol Source Type: research

Is a sampling transition zone important to increase the detection of prostate cancer in systematic prostatic biopsies?
CONCLUSION: Extended core biopsy protocol with two TZ extra fragments improves detection rates of cancer when compared to double-sextant biopsy protocol without increasing complication rates. TZ routine cores should be considered. PMID: 32631078 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 6, 2020 Category: Radiology Authors: Queiroz MR, Falsarella PM, Moreira Valle LG, Cayres Mariotti G, Lemos GC, Alfer Junior W, Garcia RG Tags: Acta Radiol Source Type: research

Contrast-enhanced ultrasound (CEUS) reliably rules out neoplasm in developmental renal pseudotumor.
CONCLUSION: CEUS is a safe and fast method to rule out neoplasm in the diagnostic work-up of renal pseudotumors. In conjunction with B-mode and CCDS, CEUS has the potential to reduce further (invasive) diagnostic procedures. PMID: 32631079 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 6, 2020 Category: Radiology Authors: Spiesecke P, Fischer T, Maxeiner A, Hamm B, Lerchbaumer MH Tags: Acta Radiol Source Type: research

Does mammographic density remain a radiological challenge in the digital era?
Abstract BACKGROUND: The low subject contrast between cancerous and fibroglandular tissue could obscure breast abnormalities. PURPOSE: To investigate radiologists' performance for detection of breast cancer in low and high mammographic density (MD) when cases are digitally acquired. MATERIAL AND METHODS: A test set of 60 digital mammography cases, of which 20 were cancerous, were examined by 17 radiologists. Mammograms were categorized as low (≤50%) or high (>50%) MD and rated for suspicion of malignancy using the Royal Australian and New Zealand College of Radiology (RANZCR) classification system....
Source: Acta Radiologica - July 5, 2020 Category: Radiology Authors: Al-Mousa DS, Rawashdeh M, Alakhras M, Spuur KM, AbuTaimai R, Brennan PC Tags: Acta Radiol Source Type: research

Usability of the lateral decubitus position on four-dimensional ultra-low-dose computed tomography for the detection of localized pleural adhesion in the pulmonary apical region.
CONCLUSION: 4D-ULDCT in LD position may be useful for LPA detection in apical regions for COPD and/or emphysematous patients. PMID: 32611196 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - July 1, 2020 Category: Radiology Authors: Sato S, Nagatani Y, Hashimoto M, Nitta N, Hanaoka J, Ushio N, Tsukagoshi S, Uranishi A, Kimoto T, Oshio Y, Mayumi M, Sonoda A, Otani H, Yamashiro T, Moriya H, Murata K, Watanabe Y, investigators of ACTIve study group Tags: Acta Radiol Source Type: research

Cerebral schistosomiasis: MRI features with pathological correlation.
CONCLUSION: Multiple enhancing nodules with central or peripheral veins in a circumscribed brain area are important signs to the diagnosis of cerebral schistosomiasis. The inflamed veins involved may be the route taken by the ova to spread to the brain tissue. PMID: 32605377 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 30, 2020 Category: Radiology Authors: Lu CY, Zhao S, Wei Y Tags: Acta Radiol Source Type: research

Patient safety incidents in radiology: frequency and distribution of incident types.
CONCLUSION: Radiology-related patient safety incidents predominantly occur in three ICPS domains (clinical administration, resources/organizational management, and clinical process/procedure). Harmful/serious incidents are relatively rare. The standardly and transparently reported findings from this study may be used for healthcare quality improvement, benchmarking purposes, and as a primer for future studies. PMID: 32600067 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 29, 2020 Category: Radiology Authors: Kasalak Ö, Yakar D, Dierckx RA, Kwee TC Tags: Acta Radiol Source Type: research

Morphological and functional assessment of the uterus: "one-stop shop imaging" using a compressed-sensing accelerated, free-breathing T1-VIBE sequence.
Morphological and functional assessment of the uterus: "one-stop shop imaging" using a compressed-sensing accelerated, free-breathing T1-VIBE sequence. Acta Radiol. 2020 Jun 29;:284185120936260 Authors: Hausmann D, Kreul D, Klarhöfer M, Nickel D, Grimm R, Kiefer B, Riffel P, Attenberger UI, Zöllner FG, Kubik-Huch RA Abstract BACKGROUND: The combination of motion-insensitive, high-temporal, and spatial resolution imaging with evaluation of quantitative perfusion has the potential to increase the diagnostic capabilities of magnetic resonance imaging (MRI) in the female pelvis. P...
Source: Acta Radiologica - June 29, 2020 Category: Radiology Authors: Hausmann D, Kreul D, Klarhöfer M, Nickel D, Grimm R, Kiefer B, Riffel P, Attenberger UI, Zöllner FG, Kubik-Huch RA Tags: Acta Radiol Source Type: research

Superselective transcatheter arterial embolization for acute small bowel bleeding: clinical outcomes and prognostic factors for ischemic complications.
Abstract BACKGROUND: Small bowel bleeding (SBB) accounts for 5%-10% of all cases of acute gastrointestinal bleeding. Transcatheter arterial embolization (TAE) plays an important role in the treatment of SBB. PURPOSE: To evaluate the safety and efficacy of superselective TAE exclusively for SBB and to assess factors associated with clinical outcomes. MATERIAL AND METHODS: From January 2006 to April 2017, 919 patients were admitted with signs and symptoms of gastrointestinal bleeding; 74 patients (mean age = 57.5 years; age range = 14-82 years) with positive angiographic finding...
Source: Acta Radiologica - June 26, 2020 Category: Radiology Authors: Kim YS, Kwon JH, Han K, Kim MD, Lee J, Kim GM, Won JY Tags: Acta Radiol Source Type: research

Utility of real-time image fusion technology in ultrasonography-guided fiducial marker implantation for stereotactic body radiation therapy for liver tumors.
CONCLUSION: V-navi appears useful for US-guided fiducial marker implantation in the liver compared with conventional US. PMID: 32586122 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 26, 2020 Category: Radiology Authors: Tokunaga K, Furuta A, Iizuka Y, Isoda H, Togashi K Tags: Acta Radiol Source Type: research

Establishing reference values for the pubofemoral distance in normal infant medial hips by ultrasound.
Abstract BACKGROUND: Measuring the pubofemoral distance (PFD) is important for evaluating the effectiveness of hip reduction in the treatment of developmental dysplasia of the hip (DDH). However, reference PFD values have not been established in normal infants. PURPOSE: To investigate variations in PFD values measured in normal infant medial hips stratified by age, laterality, and gender. MATERIAL AND METHODS: A total of 240 infants diagnosed with Graf type Ia and/or Graf type Ib hips by ultrasonography were stratified into eight age groups: 0-1 month; 1-2 months; 2-3 months; 3-4 months; 4-5 months; 5-6 ...
Source: Acta Radiologica - June 26, 2020 Category: Radiology Authors: Ban Y, Luan Q, Shi M, Sun B, Li T, Wang Y, Lin X, Teng J Tags: Acta Radiol Source Type: research

Radiological pitfalls associated with the diagnosis of usual interstitial pneumonia pattern on high-resolution computed tomography and associated findings: experience from a single Italian center.
CONCLUSION: We found significant discrepancies in the imaging diagnosis of UIP patterns and associated findings on HRCT between non-expert and thoracic radiologists included in MDD. Therefore, in this study, we analyzed and suggested diagnostic strategies to improve non-expert radiologists' approach to HRCT. PMID: 32586124 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 26, 2020 Category: Radiology Authors: Ricci F, Cavallo AU, Luca P, Vincenzo S, Monia P, D'Errico F, Benelli L, Paola R, Floris R, Chiocchi M Tags: Acta Radiol Source Type: research

Magnetic resonance imaging findings of extrauterine high-grade serous carcinoma based on new pathologic criteria for primary site assignment.
CONCLUSION: On MR images, tubal primaries almost always exhibited ovarian or peritoneal cancer pattern, but rarely exhibited fallopian tube cancer pattern. MR findings could not accurately differentiate between tubal and ovarian primaries; therefore, histopathologic investigation is essential for determination of the primary site of extrauterine HGSCs. PMID: 32576024 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 23, 2020 Category: Radiology Authors: Kawaguchi M, Kato H, Hatano Y, Tomita H, Hara A, Miyazaki T, Matsuo M Tags: Acta Radiol Source Type: research

Cardiac hypertrophic risk markers of left ventricle and left atrium in chronic heart failure due to aortic and mitral valve disease.
Abstract BACKGROUND: Chronic valvular heart disease leads to systolic dysfunction and left atrial enlargement that ultimately results in heart failure. PURPOSE: To investigate prognostic importance of Echocardiography and plasma natriuretic peptide levels that increase as a compensatory response and can be used as predictive markers for cardiac hypertrophy. MATERIAL AND METHODS: The patients were divided into three groups: 51 with left ventricle hypertrophy due to aortic valve disease; 126 with left atrial enlargement due to mitral valve dysfunction; and 76 with both conditions. Atrial natriuretic peptid...
Source: Acta Radiologica - June 22, 2020 Category: Radiology Authors: Jan MI, Khan RA, Khan N, Mahak A, Shah AUHA, Hussain ST, Kakakhel AU, Murtaza I Tags: Acta Radiol Source Type: research

Use of rsfMRI-fALFF for the detection of changes in brain activity in patients with normal-tension glaucoma.
CONCLUSION: Abnormal spontaneous activities were detected in numerous brain regions of patients with NTG, which may provide useful information for understanding the dysfunction in NTG. These activity changes in brain regions may be used as effective clinical indicators for NTG. PMID: 32571098 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 22, 2020 Category: Radiology Authors: Li HL, Chou XM, Liang Y, Pan T, Zhou Q, Pei CG, Jiang J, Li B, Shao Y Tags: Acta Radiol Source Type: research

External validation of Risk of Malignancy Index compared to IOTA Simple Rules.
CONCLUSION: This cohort study shows that the RMI is a relatively useful diagnostic model in characterizing ovarian tumors, compared to the IOTA SR. However, due to the relatively low sensitivity of the RMI and high rate of inconclusive results of the IOTA SR, both diagnostic tests do not seem discriminative enough. Therefore, alternative diagnostic models are necessary. PMID: 32567319 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 20, 2020 Category: Radiology Authors: Mulder EE, Gelderblom ME, Schoot D, Vergeldt TF, Nijssen DL, Piek JM Tags: Acta Radiol Source Type: research

Documentation of normal shape and measurements of the uterine fundus at reproductive age.
CONCLUSION: Our study reports the range of normality in shape and measurement of the uterine fundus to aid in the detection of congenital uterine abnormalities. PMID: 32567320 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 20, 2020 Category: Radiology Authors: Aouad P, Serhal A, Dion E, Buy JN Tags: Acta Radiol Source Type: research

FDG PET correlates weakly with HIF-1 α expression in solid tumors: a meta-analysis.
CONCLUSION: SUVmax of FDG PET correlated weakly with expression of HIF-1α both in overall sample and tumor subgroups. Therefore, FDG PET cannot be used for prediction of hypoxia in clinical practice. PMID: 32551804 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 19, 2020 Category: Radiology Authors: Surov A, Schmidt SA, Prasad V, Beer AJ, Wienke A Tags: Acta Radiol Source Type: research

Comparison of noise-optimized linearly blended images and noise-optimized virtual monoenergetic images evaluated by dual-source, dual-energy CT in cardiac vein assessment.
Abstract BACKGROUND: The coronary venous system is frequently used as an entry route to the heart and treatment modalities for many cardiac diseases and many procedures. Consequently, evaluation of the coronary venous system and understanding cardiac vein anatomy is crucial. PURPOSE: To determine the optimal image set in a comparison of noise-optimized linearly blended images (F_0.6) and noise-optimized virtual monoenergetic images (VMI+) evaluated by dual-energy computed tomography (DECT) for cardiac vein assessment. MATERIAL AND METHODS: Thirty-four patients (mean age 58.2 ± 14.2 y...
Source: Acta Radiologica - June 19, 2020 Category: Radiology Authors: Kim GM, Choo KS, Kim JH, Hwang JY, Park CK, Lee JW, Lim SJ Tags: Acta Radiol Source Type: research

The value of intravoxel incoherent motion imaging in predicting the survival of patients with astrocytoma.
Abstract BACKGROUND: The evaluation of the prognosis of gliomas may have great value in individualized treatment. PURPOSE: To evaluate the value of intravoxel incoherent motion (IVIM) in predicting the survival of patients with astrocytoma and comparing it to apparent diffusion coefficients (ADC). MATERIAL AND METHODS: Sixty patients with pathologically confirmed cerebral astrocytomas underwent IVIM scans before any treatment was performed. Patients were divided into death group and survival group according to a two-year follow-up. ADC and quantitative parameters of IVIM including D, D*, and f were measu...
Source: Acta Radiologica - June 17, 2020 Category: Radiology Authors: Zhu L, Wu J, Zhang H, Niu H, Wang L Tags: Acta Radiol Source Type: research

Increased tortuosity of bilateral distal internal carotid artery is associated with white matter hyperintensities.
Abstract BACKGROUND: Although the pathophysiology of white matter hyperintensities remains unclear, we can recently explore the possible relationship with white matter hyperintensities by using quantitative parameter. PURPOSE: To demonstrate the relationship between bilateral distal internal carotid arterial tortuosity and total brain white matter hyperintensities volume in elderly individuals. MATERIAL AND METHODS: A total of 345 patients (age > 65 years) with brain magnetic resonance (MR) examinations were retrospectively included (44.1% men; mean age = 72.1 &plusm...
Source: Acta Radiologica - June 17, 2020 Category: Radiology Authors: Liu J, Ke X, Lai Q Tags: Acta Radiol Source Type: research

Combined therapy with bronchial artery embolization and tranexamic acid for hemoptysis.
CONCLUSION: Combined therapy is an effective and safe treatment modality for hemoptysis of various etiologies, with potential benefits for short-term recurrence vis-a-vis current literature evidence. Suboptimal embolization was the most important modifiable risk factor for treatment failure and recurrence after combined therapy. PMID: 32551802 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 17, 2020 Category: Radiology Authors: Lee HN, Park HS, Hyun D, Cho SK, Park KB, Shin SW, Soo Do Y Tags: Acta Radiol Source Type: research

Altered resting cerebral blood flow specific to patients with diabetic retinopathy revealed by arterial spin labeling perfusion magnetic resonance imaging.
Abstract BACKGROUND: Previous neuroimaging studies have shown that patients with diabetic retinopathy (DR) were accompanied by abnormalities in cerebral functional and structural architecture, whereas the resting cerebral blood flow (CBF) alterations in patients with DR are not well understood. PURPOSE: To explore CBF alterations in patients with DR using pseudo-continuous arterial spin labeling (pCASL) imaging. MATERIAL AND METHODS: Thirty-one individuals with DR (15 men, 16 women; mean age = 53.38 ± 9.12 years) and 33 healthy controls (HC) (12 men, 21 women; mean age&...
Source: Acta Radiologica - June 17, 2020 Category: Radiology Authors: Huang X, Wen Z, Tong Y, Qi CX, Shen Y Tags: Acta Radiol Source Type: research

Management of life-threatening aortoesophageal fistula: experiences learned from eight patients.
CONCLUSION: Rapid identification and surgical treatment are necessary to increase the likelihood of survival, if emergency surgery is feasible. TEVAR in a timely fashion facilitates hemodynamic stabilization by rapidly controlling hemorrhage and saves the patient's life. PMID: 32551870 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 17, 2020 Category: Radiology Authors: Chen C, Kim JW, Shin JH, Kwon Y, Kim J, Lee IJ Tags: Acta Radiol Source Type: research

Volume computed tomography perfusion as a predictive marker for treatment response to concurrent chemoradiotherapy in cervical cancer: a prospective study.
CONCLUSION: vCTP parameters are valuable for the prediction of short-term effects. The AF in the low-perfusion subregion was a more effective index for predicting treatment response to CCRT of cervical cancer. PMID: 32551871 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 17, 2020 Category: Radiology Authors: Dong Rui T, Dong Y, Song Qing L, Tong R, Wang Fei F, Yu T, Luo Y Tags: Acta Radiol Source Type: research

Neuroimaging of pediatric infratentorial tumors and the value of diffusion-weighted imaging (DWI) in determining tumor grade.
Abstract BACKGROUND: Diffusion-weighted imaging (DWI) provides information about the cellular density of tumors. This feature is useful in grading and identifying different tumor types. PURPOSE: To assess the value of diffusion restriction and apparent diffusion coefficient (ADC) values in differentiating pediatric infratentorial tumors. MATERIAL AND METHODS: This was a retrospective review of the magnetic resonance imaging (MRI) of 82 children (age range 1-16 years) with infratentorial tumors. Histopathological grading after surgical excision/biopsy was categorized as low grade (WHO grades I and II) (n&...
Source: Acta Radiologica - June 15, 2020 Category: Radiology Authors: Sathyakumar K, Mani S, Pathak GH, Prabhu K, Chacko AG, Chacko G Tags: Acta Radiol Source Type: research

Intravoxel incoherent motion MRI in evaluating inflammatory activity in ulcerative colitis: a pilot study.
CONCLUSION: IVIM perfusion fraction correlates with UC activity and might represent emerging tool in assessment of inflammatory activity. PMID: 32536258 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 14, 2020 Category: Radiology Authors: Podgórska J, Pasicz K, Zagórowicz E, Mróz A, Gołębiewski B, Kuś P, Jasieniak J, Skrzyński W, Wieszczy P, Kukołowicz P, Cieszanowski A Tags: Acta Radiol Source Type: research

Clinical and image features: large-vessel vasculitis after granulocyte colony stimulating factor administration.
CONCLUSION: LVV is among the potential adverse events of G-CSF administration. We should keep this outcome in mind when we interpret medical images of patients with previous G-CSF treatment history even if they are asymptomatic. PMID: 32536259 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 14, 2020 Category: Radiology Authors: Sugai Y, Toyoguchi Y, Kanoto M, Kirii K, Hiraka T, Konno Y, Watarai F, Kamio Y, Seino M, Ohta T, Nagase S Tags: Acta Radiol Source Type: research

Radiomics of apparent diffusion coefficient maps to predict histologic grade in squamous cell carcinoma of the oral tongue and floor of mouth: a preliminary study.
CONCLUSION: ADC-based radiomics can be a useful and promising non-invasive method for predicting histologic grade of SCC of the oral tongue and FOM. PMID: 32536260 [PubMed - as supplied by publisher] (Source: Acta Radiologica)
Source: Acta Radiologica - June 14, 2020 Category: Radiology Authors: Ren J, Qi M, Yuan Y, Tao X Tags: Acta Radiol Source Type: research