INTRODUCTION AND OBJECTIVES To evaluate the capability of multidetector computed tomography to diagnose the coronary etiology of left ventricular dysfunction compared with using invasive coronary angiography and magnetic resonance. METHODS Forty consecutive patients with left ventricular dysfunction of uncertain etiology underwent invasive coronary angiography and contrast magnetic resonance....

background : magnetic resonance imaging of the breast is becoming a useful adjunct to mammography and sonography for the detection of breast lesions. however, it is not yet accepted as a routine examination for all breast cancer patients due to the lack of data regarding whether breast magnetic resonance imaging impacts recurrence or survival. this trial examines the use of magnetic resonance i...

The effects of the temporal order in which spiral interleaves are collected are discussed, in the context of artifacts from moving or changing objects. Simulations and in vivo experiments demonstrate the properties of four different ordering methods. Specific applications discussed include cardiac and interventional magnetic resonance imaging, as well as inflow and contrast-enhanced magnetic re...

PURPOSE: The objective of this study was to describe the sonographic features of deep-seated lipomas. METHODS: A retrospective review of the sonographic features of 64 deep seated lipomas in 64 patients (43 females, 21 males, mean age 46.5, range 16-77 years) seen over an 8-year period (1998-2006) was undertaken. RESULTS: Features evaluated were location, size, shape, marginal definition, int...

Objective: To evaluate the application of a parallel imaging technique — generalised autocalibrating partially parallel acquisition — in peripheral contrast-enhanced magnetic resonance angiography. Patients and Methods: This was a retrospective review of 17 consecutive patients with peripheral vascular disease who underwent lower-extremity 3-dimensional contrast-enhanced magnetic resonance angi...

Introduction : Cardiovascular diseases, such as atherosclerosis, can induce the development of stenosis. These can become critical in pathologies such as coronary heart diseases and necessitate a surgical intervention. A whole body angiography is therefore required to localize stenosis at risk and to target interventions. First-pass magnetic resonance angiography (MRA) on humans provides a non-...

vertebral artery is the first branch of subclavian artery. it merges with the same artery of the opposite side to form basilar artery and becomes one of the important source of blood supply to the brain. variation in the origin of left vertebral artery was found in 65 year old female during magnetic resonance angiography of the neck vessels. it originated from aortic arch and was longer as comp...

Patients with pulmonary atresia require several investigations and operations. The role of magnetic resonance imaging in assessing the anatomy of the central pulmonary arteries, the origin and course of systemic collateral arteries, and the patency of surgical shunts has been studied with the aim of reducing the need for invasive angiography. Transverse, coronal, and sagittal images were obtain...