To the Editor: Right pulmonary artery‐left atrial fistula (RPALAF) is an extremely rare congenital cardiovascular malformation that may be difficult to diagnose by clinical symptoms. High resolution computed tomographic (CT) gives a clear view of cardiovascular and can provide an accurate diagnosis, and it has not been reported in the last literature date though 320‐slice CT scan giving these c...

We present a case demonstrating the diagnostic work-up and follow-up of a patient with Chikungunya infection. An 18F-FDG PET/CT performed four weeks after debut of symptoms revealed pathological 18F-FDG uptake in enlarged lymph nodes on both side of the diaphragm, and inflammation of both shoulder and hip joints. Lymphoma and infection were the main differential diagnoses. Follow-up 18F-FDG PET...

BACKGROUND Objective quantification of emphysema using computerized tomography (CT) density measurements is rapidly gaining wide acceptance as an in vivo measurement tool. However, some studies have suggested that abnormal lung function in the absence of emphysema can affect lung density, and the role of such measurements in identifying and monitoring the progression of emphysema is not clear. ...

A 3-year-old child presented in a drowsy state following a fall from a height of twelve feet. Initial head Computed Tomographic (CT) scan showed left frontotemporal acute subdural hematoma (ASDH) along with left coronal diastatic fracture with associated scalp hematoma. While awaiting surgery, an unexpected improvement in the child’s sensorium was noted within six hours of trauma. A repeat head...

Background: The accuracy of reduction of ankle fractures using postoperative plain radiographies (x-ray) remainswidely controversial. Some authors have demonstrated that postoperative computed tomography (CT) scan can beuseful for these patients. In current study, the efficacy of x-rays after fixation of ankle fractures was investigated basedon the CT scan findings.Metho...

We present our methodology for the three-dimensional anatomical and geometrical description of soft tissues, relevant for orthopaedic surgical applications and musculoskeletal biomechanics. The technique involves the segmentation and geometrical description of muscles and neurovascular structures from high-resolution computer tomography scanning for the reconstruction of generic anatomical mode...

OBJECTIVE The purpose of this study was to evaluate the image noise, low-contrast resolution, image quality, and spatial resolution of adaptive statistical iterative reconstruction in low-dose body CT. MATERIALS AND METHODS Adaptive statistical iterative reconstruction was used to scan the American College of Radiology phantom at the American College of Radiology reference value and at one-ha...

Combining with signs of lung diseases in highresolution computed tomography (HRCT) images, this paper introduced texture feature extraction into HRCT images analysis. By analyses the relationship of texture features and imaging disease signs, selected three kinds relevant texture features, realized texture parameter extraction of any region of interest (ROI) and straight line, calculated area o...

The microstructural degradation of a composite silicon electrode at different stages in its cycle life was investigated in 3D using X-ray nano-computed tomography. A reconstructed volume of 36 mm 27 mm 26 mm from the composite electrode was imaged in its pristine state and after 1, 10 and 100 cycles. Particle fracturing and phase transformation was observed within the electrode with increased c...

Porous support layers in electrochemical devices ensure mechanical stability of membrane assemblies such as solid oxide fuel cells and oxygen transport membranes (OTMs). At the same time, porous layers affect diffusive mass transport of gaseous reactants and contribute to performance losses at high fuel utilisation and conversion ratios. Microstructural characteristics are vital to calculate ma...