BASICS OF COMPUTED TOMOGRAPHY Print Section Listen The basic single-detector computed tomography (CT) scanner operates with a single row of detectors mounted opposite an x-ray source on a rotating gantry…
INTRODUCTION Print Section Listen The jugular vein is a well-recognized structure in both the lay and the medical community. Various phrases used by individuals relating to the jugular veins include…
INTRODUCTION Print Section Listen Diseases of the renal veins, as with other diseases of the venous system, tend to be forgotten in the study of both renal disease and peripheral…
INTRODUCTION Print Section Listen In recent years, significant progress has been made in refining our understanding of the evolution and anatomy of the venous system. The exploration and identification of…
INTRODUCTION Print Section Listen Although much of the focus of venous disorders concentrates on the lower extremities, pathologic conditions such as deep venous thrombosis (DVT) also affect the upper extremities…
INTRODUCTION Print Section Listen Pulmonary embolism (PE) is defined as a thrombosis that arises in the venous system and subsequently embolizes to the pulmonary arterial circulation. Despite the advent of…
INTRODUCTION Print Section Listen Conventional venography, also known as phlebography, refers to radiographic imaging of the veins after direct injection of the contrast material. Before the advent of cross-sectional imaging…
CEREBRAL VENOUS ANATOMY Print Section Listen The veins of the brain contain no valves, and the vessel wall is slim because of the absence of the muscular layer. The veins…
INTRODUCTION Print Section Listen For decades, bipedal lymphangiography was the standard imaging test for nonsurgical assessment of the lymphatic system. At Stanford University (Stanford, CA), several thousands of lymphangiographies were…
INTRODUCTION AND HISTORICAL BACKGROUND Print Section Listen “The lymph vessels, so unimpressive when they were first pointed out to me in 1908 under the microscope—but, I was soon to discover,…
