1 What is the Radiological Society of North America (RSNA)? The RSNA is the largest international professional association in radiology and has a mission to promote excellence in patient care and health care delivery through education, research, and technological innovation.…
1 What are some applications of 18 F-fluoro-2-deoxy-2-D-glucose positron emission tomography/computed tomography (FDG PET/CT) in the nononcological setting? For the answer, see Box 77-1 . The applications in nononcological cardiac and brain disorders will be discussed separately in Chapters 82…
1 What is 18 F-fluoro-2-deoxy-2-D-glucose (FDG)? FDG is the most widely used radiotracer for positron emission tomography (PET) imaging and was first tested in humans in 1976. Its utility is based on the Warburg effect (described in the late 1920s…
1 What are the indications, advantages, and disadvantages of radiography, computed tomography (CT), and magnetic resonance imaging (MRI) in the evaluation of the spine? Radiography of the spine may be obtained to assess for vertebral alignment, fractures including compression deformities,…
Prostate Gland and Seminal Tract 1 What is the normal anatomy and imaging appearance of the prostate gland and seminal tract on ultrasonography (US), computed tomography (CT), and magnetic resonance imaging (MRI)? The prostate gland is an extraperitoneal fibromuscular gland…
1 What are the boundaries of the retroperitoneum? The retroperitoneum is bounded anteriorly by the posterior parietal peritoneum and posteriorly by the transversalis fascia and extends from the diaphragm to the pelvic brim. 2 What are the compartments of the…
1 What are common indications for computed tomography (CT) and magnetic resonance imaging (MRI) of the adrenal glands? The most common clinical indications include: Characterization of indeterminate adrenal lesions incidentally detected on prior cross-sectional imaging. The main goal in this…
1 What are the common indications for computed tomography (CT) and magnetic resonance imaging (MRI) of the kidneys? The most common clinical indications include: Characterization of indeterminate renal lesions detected on prior cross-sectional imaging. This is done most frequently to…
1 Why is computed tomography (CT) commonly used initially for diagnostic purposes in patients with an acute abdomen or pelvis? Accurate and timely diagnosis of life-threatening disease involving the abdomen and pelvis is essential to decrease potential morbidity and mortality.…
1 What is the peritoneum? The peritoneum is the largest and most complexly arranged serous membrane in the body. It is closed in men and open to the ends of the fallopian tubes in women. The parietal layer lines the…