Radiology Key

Kidneys Anatomy of the Retroperitoneal Space A detailed understanding of the retroperitoneal fascial planes and compartments is a prerequisite for accurate interpretation of abdominal CT. The retroperitoneum is the anatomic…

Anatomy The true (lesser) pelvis is divided from the false (greater) pelvis by an oblique plane extending across the pelvic brim from the sacral promontory to the symphysis pubis. The…

Introduction The advent of increasing numbers of rows of detectors has expanded the utility for CT technology. Multidetector CT (MDCT) has the ability to produce near-isotropic voxel images that allow…

Multidetector CT is the imaging method of choice for evaluation of pancreatitis and competes with magnetic resonance imaging (MRI) for detection and staging of pancreatic tumors. Rapid CT acquisition times…

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…

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…

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…

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…

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 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…