CT in Musculoskeletal Nontrauma
In this chapter entities such as disk disease and the osseous structures of the spinal canal will be discussed again, as well as postoperative spine changes. The appearances of the…
Adrenal Glands
The adrenal glands are the primary focus of diagnostic attention in three clinical circumstances. A patient may be referred for imaging because a clinical diagnosis of adrenal hormone hyperfunction has…
Lung Disease
On CT, normal lung varies in appearance, depending on the window settings used. With a window mean of –600 to –700 Hounsfield units (HU) and a width of 1000 to…
The Pulmonary Hila
CT is helpful in the diagnosis of endobronchial lesions, hilar and parahilar masses, and hilar vascular lesions. Technique In most patients the hila are adequately assessed with spiral CT with…
Abdominal Trauma
Multidetector CT (MDCT) is the imaging method of choice for the diagnosis of intra-abdominal injury following blunt abdominal trauma. Treatment is directed by characterization of the precise nature of the…
Peritoneal Cavity, Vessels, Nodes, and Abdominal Wall
Peritoneal Cavity Anatomy The various recesses and spaces of the peritoneal cavity are easiest to recognize on CT when ascites is present. Identifying the precise compartment that an abnormality is…
Biliary Tree and Gallbladder
Biliary Tree Primary imaging of the biliary tree depends increasingly on CT, ultrasonography, magnetic resonance imaging, and magnetic resonance cholangiopancreatography, and with diminishing reliance on invasive endoscopic retrograde cholangiopancreatography. Multidetector…
Pleura, Chest Wall, and Diaphragm
Technical Considerations In general, the pleura and chest wall are adequately evaluated with routine thoracic CT techniques. Contrast medium infusion is helpful in showing pleural thickening and in allowing its…
Mediastinum: Vascular Abnormalities and Pulmonary Embolism
Aortic Abnormalities Computed tomography (CT) is commonly used to diagnose abnormalities of the aorta or its branches when they are suspected clinically or because of radiographic abnormalities. Congenital Anomalies Congenital…
