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Evison Matthew M *North West Lung Centre, University Hospital of South Manchester NHS Foundation Trust, Southmoor Road, Wythenshawe; †The Institute of Inflammation and Repair, The University of Manchester, Manchester; and ‡Department of Medical Statistics, University Hospital of South Manchester, Southmoor Road, Wythenshawe, United - - 2014
Percutaneous computed tomography (CT)-guided lung biopsy is a standard minimally invasive technique for sampling peripheral lung lesions. Radial endobronchial ultrasound (EBUS) offers an alternative approach but it has yet to be defined which patients are most suited to this procedure. The primary aim of this study was to investigate whether ...
Hoshi Manabu M Department of Orthopedic Surgery, Osaka City University Graduate School of Medicine, Osaka 545-8585, - - 2014
The current study presents a rare case of osteoblastic osteosarcoma arising from an extremely rare site, namely, the parapharyngeal space. To the best of our knowledge, this is the first study of computed tomography (CT) and magnetic resonance imaging (MRI) of an osteosarcoma in the parapharyngeal space with pathological correlation. ...
Wang Ruihao - - 2014
The principal aim of this study was to evaluate the feasibility of incorporating four-dimensional (4D)-computed tomography (CT)-based functional information into treatment planning and to evaluate the potential benefits of individualized beam setups to better protect lung functionality in patients with non-small cell lung cancer (NSCLC). Peak-exhale and peak-inhale CT scans ...
Fraioli Francesco F Department of Nuclear Medicine and Radiology, University College London Hospitals NHS Foundation Trust, 235 Euston Road, London, NW1 2BU, UK, - - 2014
To assess the diagnostic performance of PET/MR in patients with non-small-cell lung cancer. Fifty consecutive consenting patients who underwent routine (18)F-FDG PET/CT for potentially radically treatable lung cancer following a staging CT scan were recruited for PET/MR imaging on the same day. Two experienced readers, unaware of the results with ...
Al-Faham Zaid Z Department of Diagnostic Radiology and Molecular Imaging, Oakland University William Beaumont School of Medicine and Health System, Royal Oak, Michigan - - 2014
An aberrant right subclavian artery can be diagnosed by PET/CT, as demonstrated in this case of a 70-y-old man undergoing PET/CT for staging of squamous cell carcinoma of the right lung. It is important to report this finding during the evaluation of oncologic patients, to prevent severe complications that may ...
Pattenden Holly A HA Department of Thoracic Surgery, Royal Brompton & Harefield NHS Foundation Trust, London, - - 2014
Positron emission tomography-CT (PET-CT) is one of the initial mediastinal staging modality for non-small cell lung cancer; however, the clinical utility in carcinoid tumours is uncertain. We sought to determine the test performance of PET-CT for mediastinal lymph node staging of pulmonary carcinoid tumours. We collated data from seven institutions, ...
Yamasaki Yuzo Y Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, - - 2014
To compare 256-slice cardiac computed tomography (CCT) with cardiac magnetic resonance (CMR) imaging to assess right ventricular (RV) function and pulmonary regurgitant fraction (PRF) in patients with repaired tetralogy of Fallot (TOF). Thirty-three consecutive patients with repaired TOF underwent retrospective ECG-gated CCT and 3-Tesla CMR. RV and left ventricular (LV) ...
Shin Kyung Min - - 2014
Computed tomography-guided transthoracic needle biopsy is a common diagnostic procedure that is associated with various complications including pneumothorax, parenchymal hemorrhage, and hemoptysis. A systemic air embolism is a very rare (0.06 to 0.21%) but potentially fatal complication. A 70-year-old Korean male was admitted to our hospital for evaluation of a ...
Ouriadov Alexei V AV Thunder Bay Regional Research Institute, Thunder Bay, - - 2014
Inert fluorinated gas lung MRI is a new and promising alternative to hyperpolarized gas lung MRI; it is less expensive and does not require expensive isotopes/polarizers. The thermally polarized nature of signal obtained from fluorinated gases makes it relatively easy to use for dynamic lung imaging and for obtaining lung ...
Kwon Herbert P HP Pulmonary/Critical Care Service, Department of Medicine, Brooke Army Medical Center, Fort Sam Houston, TX 78234, United - - 2014
Compare virtual bronchoscopy (VB) to fiberoptic bronchoscopy (FOB) for scoring smoke inhalation injury (SII). Swine underwent computerized tomography (CT) with VB and FOB before (0) and 24 and 48h after SII. VB and FOB images were scored by 5 providers off line. FOB and VB scores increased over time (p<0.001) ...
Choi Sanghun S University of - - 2014
Lung air-trapping is estimated via quantitative computed tomography (QCT) using density-threshold-based measures on expiration scan. However, the effects of scanner differences and imaging protocol adherence on quantitative assessment are known to be problematic. This study investigates the effects of protocol differences such as using different CT scanners and breath-hold coaches ...
Pennati Francesca F Dipartimento di Elettronica, Informazione e Bioingegneria, Politecnico di Milano, P.zza L. da Vinci, 32, 20133 Milano, - - 2014
The assessment of regional ventilation is of critical importance when investigating lung function during disease progression and planning of pulmonary interventions. Recently, different computed tomography (CT)-based parameters have been proposed as surrogates of lung ventilation. The aim of the present study was to compare these parameters, namely variations of density ...
Doo Kyung Won KW Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, 80 Guro-dong, Guro-gu, Seoul, 152-703, - - 2014
The purpose of this study was to evaluate the diagnostic performance of chest radiography (CXR), chest digital tomosynthesis (DT) and low dose multidetector computed tomography (LDCT) for the detection of small pulmonary ground-glass opacity (GGO) nodules, using an anthropomorphic chest phantom. Artificial pulmonary nodules were placed in a phantom and ...
Huellner Martin W MW From the Department of Medical Radiology, Divisions of Nuclear Medicine (M.W.H., P.A., F.P.K., L.H., C.M.P., I.A.B., M.P., G.D., G.K.v.S., P.V.H.), Diagnostic and Interventional Radiology (P.A., F.P.K., P.V.H.), and Neuroradiology (M.W.H., F.P.K.), University Hospital Zurich, Rämistrasse 100, 8091 Zurich, Switzerland; and GE Healthcare, Waukesha, Wis - - 2014
Purpose To assess the diagnostic performance of whole-body non-contrast material-enhanced positron emission tomography (PET)/magnetic resonance (MR) imaging and PET/computed tomography (CT) for staging and restaging of cancers and provide guidance for modality and sequence selection. Materials and Methods This study was approved by the institutional review board and national government ...
Ohno Yoshiharu Y From the Advanced Biomedical Imaging Research Center (Y.O., M.N., T.Y., S.M., K.S.), Division of Functional and Diagnostic Imaging Research, Department of Radiology (Y.O., M.N., T.Y., S.M.), and Division of Radiology, Department of Radiology (H.K., S.S.), Kobe University Graduate School of Medicine, Kobe, 7-5-2 Kusunoki-cho, Chuo-ku, Kobe, Hyogo 650-0017, Japan; and Philips Electronics Japan, Tokyo, Japan (M.O., - - 2014
Purpose To compare the use of dynamic oxygen-enhanced magnetic resonance (MR) imaging with the use of quantitatively assessed computed tomography (CT) for assessment of clinical stage and evaluation of pulmonary functional change due to treatment in patients with asthma. Materials and Methods The institutional review board of Kobe University Hospital ...
Mohamed Hoesein Firdaus A A FA 1Department of Respiratory Medicine, Division of Heart & Lungs, University Medical Center Utrecht , Utrecht , the - - 2014
Abstract Emphysema, airway wall thickening and air trapping are associated with chronic obstructive pulmonary disease (COPD). All three can be quantified by computed tomography (CT) of the chest. The goal of the current study is to determine the relative contribution of CT derived parameters on spirometry, lung volume and lung ...
Nasser Mouhamad M Division of Pulmonary and Critical Care, Department of Internal Medicine, Department of Internal Medicine, American University of Beirut, Department of Internal Medicine, Division of Pulmonary and Critical Care, American University of Beirut-Medical Center, P.O. Box: 113-6044, Beirut 1107 2802, - - 2014
Rotoscoliosis is a congenital deformity of the vertebral column. We report a case of uncorrected rotoscoliosis since childhood presenting with dyspnea and respiratory failure. CT scan of the chest demonstrated the severity of rotoscoliosis as noted on selected images.
Malec Lynn M LM *Department of Pediatrics, Division of Hematology/Oncology, Children's Hospital of Pittsburgh of UPMC ‡Section of Decision Sciences and Clinical Decisions Modeling, Department of Medicine, University of Pittsburgh, Pittsburgh, PA †Department of Pediatrics, Division of Hematology/Oncology, Vanderbilt University Medical Center, Nashville, - - 2014
Intracranial hemorrhage (ICH) in the newborn period is a potential cause of serious morbidity and mortality in individuals with hemophilia. The incidence of ICH is estimated to be 2% to 4%; however, depending on the mode of delivery, it may be considerably higher. Considering the varying sensitivities and costs of ...
Iwasawa Tae T 1 Department of Radiology, Kanagawa Cardiovascular and Respiratory Center, 6-16-1, Tomioka-higashi, Kanazawa-ku, Yokohama, Kanagawa 236-8651, - - 2014
OBJECTIVE. We investigated whether the lung volume determined on CT, especially the volume of the normal lung, is correlated with mean pulmonary artery pressure (PAP) in patients with chronic fibrosing idiopathic interstitial pneumonia (IIP). MATERIALS AND METHODS. The subjects were 40 patients with IIP who underwent right heart catheterization (RHC) ...
Nevitt Benjamin N BN Illinois Zoological and Aquatic Animal Residency Program, College of Veterinary Medicine, University of Illinois, Urbana, IL - - 2014
Objective-To determine the effects of recumbency on air sac volume, lung volume, and lung densities in CT images of healthy, conscious and anesthetized spontaneously breathing Humboldt penguins (Spheniscus humboldti). Animals-25 adult (13 male and 12 female) Humboldt penguins. Procedures-CT images of conscious penguins in ventral recumbency and anesthetized penguins in ...
Kumamaru Kanako K KK Applied Imaging Science Laboratory, Department of Radiology, Brigham and Women's Hospital, Boston, MA, 02115, USA, - - 2014
While lowering the radiation dose using a reduced tube potential (kVp) strategy for CT pulmonary angiography (CTPA) maintains accuracy for pulmonary embolism detection, there is no data regarding the effect of increased noise from lower kVp on both the accuracy of lung and mediastinum lesion detection in the same patient ...
Parikh Swapnesh S Internal Medicine Department, Los Angeles Biomedical Research Institute, 1124 West Carson Street, Torrance, CA 90502, - - 2014
Although recent advances in noninvasive imaging technologies have potentially improved diagnostic efficiency and clinical outcomes of patients with acute chest pain, controversy remains regarding much of the accumulated evidence. This article reviews the role of coronary computed tomography (CT) angiography in the assessment of coronary risk, and its usefulness in ...
Ahmadi Koorosh K Department of Emergency Medicine, Alborz University of Medical Sciences, Karaj, - - 2014
We evaluated a new hypothesis of acetaminophen therapy to reduce the necessity of imaging in patients with probable traumatic cervical spine injury. Patients with acute blunt trauma to the neck and just posterior midline cervical tenderness received acetaminophen (15 mg/kg) intravenously after cervical spine immobilization. Then, all the patients underwent ...
Salavati Ali A Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA, - - 2014
The aim of this study is to assess a software-based method with semiautomated correction for partial volume effect (PVE) to quantify the metabolic activity of pulmonary malignancies in patients who underwent non-gated and respiratory-gated 2-deoxy-2-[(18)F]fluoro-D-glucose (FDG)-positron emission tomography (PET)/x-ray computed tomography(CT). The study included 106 lesions of 55 lung cancer ...
Oka Yasuko Y Department of Obstetrics and Gynecology, Kanazawa Medical University, Uchinada, - - 2014
The purpose of this retrospective study is to determine the fetal lung-to-liver signal intensity ratio (LLSIR) on T2-weighted images for the prediction of neonatal respiratory outcome. One hundred ten fetuses who underwent MRI examination for various indications after 22 weeks of gestation participated in this study. LLSIR was measured as the ...
Deppen Stephen A SA Tennessee Valley Health System Veterans Affairs, Nashville, Tennessee; Vanderbilt University Medical Center, Nashville, - - 2014
Patients presenting to thoracic surgeons with pulmonary nodules suggestive of lung cancer have varied diagnostic options including navigation bronchoscopy (NB), computed tomography-guided fine-needle aspiration (CT-FNA), (18)F-fluoro-deoxyglucose positron emission tomography (FDG-PET) and video-assisted thoracoscopic surgery (VATS). We studied the relative cost-effective initial diagnostic strategy for a 1.5- to 2-cm nodule suggestive of cancer. A ...
Nishio Mizuho M Advanced Biomedical Imaging Research Center, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan; Division of Functional and Diagnostic Imaging Research, Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan. Electronic address: - - 2014
The purpose of this study was to analyze the relationship between airflow limitation and two types of computed tomography (CT) measurements: expiratory/inspiratory (E/I) ratio and E/I difference of percentage of low-attenuation lung regions (LAA%). Thirty patients who underwent inspiratory and expiratory CT scans were included in this study. The CT ...
Ono Shigeru S Division of Pediatric Surgery, Department of Surgery, Jichi Medical University School of Medicine, 3311-1 Yakushiji, Shimotsuke, Tochigi, 329-0498, Japan, - - 2014
Neonates with congenital tracheal stenosis (CTS) sometimes develop respiratory distress and may be difficult to intubate. We used balloon tracheoplasty with a rigid bronchoscope for emergency airway management in neonates with symptomatic CTS. Herein, we describe the balloon tracheoplasty procedure and the early outcomes following its use as the initial ...
Cheng Delei D Department of Radiology, Anhui Provincial Hospital, Hefei, China, - - 2014
Magnetic resonance imaging (MRI) is able to diagnose Budd-Chiari syndrome (BCS) by distinguishing differential imaging features of acute and chronic forms of the disease. However, the characteristic imaging differences are still not clear as previous data were mostly obtained from scattered small samples instead of large comparative study. To investigate ...
Couch Marcus J MJ Lakehead University, Thunder Bay, Ontario, Canada; Thunder Bay Regional Research Institute, Thunder Bay, Ontario, - - 2014
Fluorine-19 ((19) F) MRI of the lungs using inhaled inert fluorinated gases can potentially provide high quality images of the lungs that are similar in quality to those from hyperpolarized (HP) noble gas MRI. Inert fluorinated gases have the advantages of being nontoxic, abundant, and inexpensive compared with HP gases. ...
Ernst Caroline W CW From the Department of Radiology (C.W.E., I.A.B., B.I., N.B., G.V.G., K.H.N., F.V., M.D.M., J.d.M.), Department of Medical Imaging and Physical Sciences (N.B.), Department of Pediatric Pneumology (E.D.W., A.M.), Cystic Fibrosis Clinic (A.M.), Department of Medicine (D.C., J.D.M.), and Department of Biomedical Statistics and Informatics (D.C.), Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Laarbeeklaan 101, 1090 Brussels, - - 2014
Purpose To investigate a computed tomographic (CT) protocol with iterative reconstruction at conventional radiography dose levels for the assessment of structural lung abnormalities in patients with cystic fibrosis (CF). Materials and Methods In this institutional review board-approved study, 38 patients with CF (age range, 6-58 years; 21 patients <18 years ...
Kunikowska Jolanta J From the *Department of Nuclear Medicine, Medical University of Warsaw, Warsaw; †National Centre for Nuclear Research, Radioisotope Centre POLATOM, Otwock-Świerk; and ‡Department of Radiology, Medical University of Warsaw, - - 2014
The aim of this study was to define the frequency of neuroendocrine neoplasia (NEN) metastasis sites based on the primary lesion and create a database of SUVmax as a marker of human SSTR (somatostatin receptors) expression by semiquantitative analysis in vivo Ga DOTATATE PET/CT. Two hundred forty-five patients, 89 men ...
Devaraj Anand A Department of Radiology, Royal Brompton and Harefield NHS Foundation Trust, Sydney Street, London, SW3 6NP, - - 2014
To establish the relationship between CT signs of pulmonary hypertension and mean pulmonary artery pressure (mPAP) in patients with liver disease, and to determine the additive value of CT in the detection of portopulmonary hypertension in combination with transthoracic echocardiography. Forty-nine patients referred for liver transplantation were retrospectively reviewed. Measured ...
Volpicelli Giovanni G Department of Emergency Medicine, San Luigi Gonzaga University Hospital, Orbassano, Turin, Italy, - - 2014
Lung ultrasound (LUS) may accurately diagnose pneumothorax. However, there is uncertainty about its usefulness in the quantification of pneumothorax size. To determine the ability of LUS in the semi-quantification of pneumothorax volume, we compared the projection of the lung point (LP) with the pneumothorax volume measured by computerized tomography (CT) ...
Greenblatt Elliot Eliyahu EE 1 Department of Mechanical Engineering, Massachusetts Institute of Technology , Cambridge, MA, - - 2014
Abstract Background: This article presents a novel methodological approach to evaluate images of aerosol deposition taken with PET-CT cameras. Traditionally, Black-or-White (BW) Regions of Interest (ROIs) are created to cover Anatomical Regions (ARs) segmented from the high-resolution CT. Such ROIs do not usually consider blurring effects due to limited spatial ...
Weidner M M Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer Ufer 1-3, 68167, Mannheim, Germany, - - 2014
Congenital diaphragmatic hernia (CDH) leads to lung hypoplasia. Using dynamic contrast-enhanced (DCE) MR imaging, lung perfusion can be quantified. As MR perfusion values depend on temporal resolution, we compared two protocols to investigate whether ipsilateral lung perfusion is impaired after CDH, whether there are protocol-dependent differences, and which protocol is ...
Kaushik S Sivaram SS Duke University - - 2014
Although xenon is classically taught to be a "perfusion-limited" gas, (129)Xe in its hyperpolarized (HP) form, when detected by magnetic resonance, can probe diffusion-limitation. Inhaled HP (129)Xe diffuses across the pulmonary blood-gas barrier, and, depending on its tissue environment, shifts its resonant frequency relative to the gas-phase reference (0 ppm) ...
Tenisch Estelle V EV Department of Medical Imaging, Lausanne University Hospital, rue du Bugnon 46, 1012, Lausanne, Switzerland, - - 2014
The Contegra® is a conduit made from the bovine jugular vein and then interposed between the right ventricle and the pulmonary artery. It is used for cardiac malformations in the reconstruction of right ventricular outflow tract. To describe both normal and pathological appearances of the Contegra® in radiological imaging, to ...
Doo Kyung Won KW Department of Radiology, Korea University Guro Hospital, Korea University College of - - 2014
Objectives: The purpose of this study was to assess accuracy of lung nodule volumetry in low-dose CT with application of iterative reconstruction (IR) according to nodule size, nodule density and CT tube currents, using artificial lung nodules within an anthropomorphic thoracic phantom. Methods: Eight artificial nodules (4 diameters: 5, 8, ...
Leblanc Damien D CHU d'Angers, Pôle d'Anesthésie-Réanimation, LUNAM Université, Université d'Angers, 4 rue Larrey, 49933, Angers Cedex 9, - - 2014
Extent of lung contusion on initial computed tomography (CT) scan predicts the occurrence of acute respiratory distress syndrome (ARDS) in blunt chest trauma patients. We hypothesized that lung ultrasonography (LUS) on admission could also predict subsequent ARDS. Forty-five blunt trauma patients were prospectively studied. Clinical examination, chest radiography, and LUS ...
Perchiazzi Gaetano G Emergency and Organ Transplant, Bari University, Bari, Italy; Medical Sciences - Clinical Physiology, Uppsala University, Uppsala, Sweden. Electronic address: - - 2014
Computed tomography (CT) can yield quantitative information about volume distribution in the lung. By combining information provided by CT and respiratory mechanics, this study aims at quantifying regional lung compliance (CL) and its distribution and homogeneity in mechanically ventilated pigs. The animals underwent inspiratory hold maneuvers at 12 lung volumes ...
Guimaraes Marcos D - - 2014
The purpose of this study was to evaluate the usefulness of diffusion-weighted magnetic resonance imaging (DW-MRI) and positron emission tomography/computed tomography (PET/CT) in planning transthoracic CT-guided biopsies of lung lesions. Thirteen patients with lung lesions suspicious for malignancy underwent CT-guided biopsy. Chest DW-MRI and apparent diffusion coefficient (ADC) calculation were ...
Matsushita Shoichiro S From the *Department of Radiology, †Division of Respiratory and Infectious Diseases, Department of Internal Medicine, St Marianna University School of Medicine, Kawasaki, Kanagawa, - - 2014
The purpose of this study was to evaluate the relationship between quantitative computed tomography (CT) parameters of air trapping obtained with inspiratory and expiratory CT and pulmonary function tests (PFTs) in patients with relapsing polychondritis (RP). This study included 23 patients with RP who underwent both CT and PFTs. In ...
OʼHare Phoebe E PE From the *School of Medicine, The University of Queensland; Departments of †Medical Imaging, and ‡Thoracic Medicine, The Prince Charles Hospital, Brisbane, Queensland, - - 2014
This cross-sectional study assessed the prognostic implications of computed tomography (CT) coronary artery calcification (CAC), independent of emphysema, in patients with chronic obstructive pulmonary disease (COPD). Coronary artery calcification and emphysema were assessed on noncontrast, ungated chest CT scans of patients with COPD using the validated CAC ordinal visual scale ...
Binkley Michael S MS Department of Radiation Oncology, Stanford University School of Medicine, Stanford, - - 2014
Lung volume reduction surgery (LVRS) improves dyspnea and other outcomes in selected patients with severe emphysema, but many have excessive surgical risk for LVRS. We analyzed the dose-volume relationship for lobar volume reduction after stereotactic ablative radiation therapy (SABR) of lung tumors, hypothesizing that SABR could achieve therapeutic volume reduction ...
Mansoor Awais - - 2014
Accurate segmentation of pathological lungs from computed tomography (CT) scans remains unsolved because available methods fail to provide a reliable generic solution for a wide spectrum of lung abnormalities. In this study, we propose a novel pathological lung segmentation method that takes into account neighbor prior constraints and a novel ...
Constantin Jean-Michel - - 2014
Electrical impedance tomography is a new technology giving us lung imaging that may allow lung function to be monitored at the bedside. Several applications have been studied to guide mechanical ventilation at the bedside with electrical impedance tomography. Positive end-expiratory pressure trials guided by electrical impedance tomography are relevant in ...
Sebastià C C Departamento de Radiología (CDI), Hospital Clínic , Barcelona, España. Electronic address: - - 2014
To determine the usefulness of various parameters based on T2-weighted fetal magnetic resonance (MR) imaging measurements of the uninvolved lung for the neonatal prognosis of congenital diaphragmatic hernia (CDH). We used ultrasonography and MR imaging to study 28 fetuses with CDH. We retrospectively analyzed a) on fetal ultrasonography, the observed-to-expected ...
Kaida Hayato H Division of Nuclear Medicine, PET Center and Department of Radiology, Kurume University School of Medicine, 67 Asahi-Machi, Kurume, Fukuoka, 830-0011, Japan. - - 2014
A 69 years old woman with adult T-cell leukemia (ATL) (chronic type) was referred for a fluorine-18 fluorodeoxyglucose positron emission computed tomography ((18)F-FDG PET/CT). Multiple hypermetabolic pulmonary and bone lesions were evidence. The patient underwent chemotherapy, but did not respond, and she died approximately 8 months from the onset of ...
Sainz-Esteban Aurora A From the *Departments of Nuclear Medicine and †Radiology, Hospital Clínico Universitario de Valladolid, Valladolid, - - 2014
A 60-year-old woman with an adenocarcinoma of the lung was referred to our department for a bone scan to assess the extension of the metastatic bone disease. The images showed several foci of radiotracer uptake in the bone consistent with malignant involvement. Besides, a considerable accumulation of tracer was shown ...
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