BACKGROUND Abdominal computed tomographic (CT) scan is accepted as the primary diagnostic modality in stable patients with blunt abdominal trauma. A recent survey of 328 trauma surgeons demonstrated marked variation in the management of patients with head injuries and the finding of free intra-abdominal fluid without solid organ injury on CT scan. This study was undertaken to attempt to determi...

Spinal cord injury without radiographic abnormality (SCIWORA) usually occurs in the hypermobile, immature cervical spine of young children. In a comatose child, a normal spine x-ray, and CT scan exclude most cases of gross fracture and dislocation, but not SCIWORA. We present 2 children that sustained a polytrauma, which rendered each of them unconscious at the outset. In both, cervical spine x...

OBJECTIVE Computed tomography (CT), rather than conventional 2-dimensional radiography, was used to scan and measure pelvic parameters. The results were compared with measurements using X-ray. METHODS Pelvic parameters were measured using both CT and X-ray in 254 patients who underwent both abdomino-pelvic CT and X-ray at the pelvic site. We assessed the similarity of the pelvic parameters be...

A 76-year-old female presented with rheumatic mixed mitral valve pathology. A chest X-ray revealed massive cardiomegaly and splaying of the carina (Fig. 1). CT scan showed gross isolated left atrial (LA) enlargement (Fig. 2a), which was plicated from within (Fig. 2b). A mitral valve replacement and LA reduction was performed but she died of an operative complication. Fig. 1. Chest X-ray shows m...

2D/3D registration makes it possible to use pre-operative CT scans during X-ray fluoroscopy guided interventions for navigation purposes. For this registration task a fast voxel-based method is presented, which uses a recently introduced similarity measure (pattern intensity). This measure is especially suitable for 2D/3D registration, because it is robust with respect to structures as, for ins...

Blunt pelvic traumata are common injuries especially among elderly patients. It is well known, that standard x-ray diagnostics fail to detect all fractures. We set up a retrospective study to gain profound knowledge of the actual informative value of a single, plain a.p. pelvic radiograph in these injuries for detecting acetabular and proximal femoral fractures as a standardized starting point ...

Patchy subcortical lesions are frequently identified on magnetic resonance imaging (MRI) of the brain in the elderly.On computed tomography (CT) these lesions appear as periventricular zones of lucency and have been termed "leuko-araiosis" by Hachinski and colleagues. Despite limited knowledge of the pathological correlates of the lesions, there has been speculation about their nature, pathophy...

A 3D industrial computed tomography (CT) manufactured based on a first generation CT systems, single-source – single-detector, was evaluated. Operation accuracy assessment of the manufactured system was achieved using simulation in comparison with experimental tests. Cs and Co were used as a gamma source. Simulations were achieved using MCNP4C code. Experimental tests of Cs were in good agreeme...