In this chapter, you will learn how to recognize some of the most common abnormalities in the abdomen. We will also discuss selected hepatic abnormalities. Chapter 18 , on ultrasound, describes some of the more common biliary and pelvic abnormalities.…
Soft-tissue calcifications lend themselves to a systematic approach that connects a diverse group of diseases. Although this chapter focuses primarily on abdominal calcifications, the same principles and approach apply to dystrophic calcification found anywhere in the body. Case Quiz 16…
Recognition of extraluminal air is an important finding that can have an immediate effect on the course of treatment. Air is normally not present in the peritoneal or extraperitoneal spaces, bowel wall, or biliary system. Air outside of the bowel…
In Chapter 12, Chapter 13 , we discussed how to recognize the normal intestinal gas pattern on conventional radiographs and computed tomography (CT). In this chapter, you will learn how to recognize and categorize the four most common abnormal bowel…
Introduction To abdominal and Pelvic CT It is estimated that around 90 million CT scans of all kinds were performed in the United States in 2019. Almost 10% of all visits to the emergency department are for abdominal pain of a…
While imaging of the abdomen is now largely performed utilizing CT, ultrasound, or MRI, many patients still have conventional radiographs (“plain films”) of the abdomen as a first step before other imaging studies are performed or as a method of…
This chapter will discuss how to assess heart size, then describe the normal and abnormal contours of the heart on the frontal radiograph and, finally, illustrate some imaging findings in common cardiac diseases. Case Quiz 11 Question This 47-year-old female…
In this chapter, you will learn how to recognize mediastinal masses, benign and malignant pulmonary neoplasms, pulmonary thromboembolic disease, and selected airway diseases. Case Quiz 10 Question This is a view of the lung apices in a 73-year-old male with…
Patients in the critical or intensive care units (ICU) are monitored on a frequent basis with portable chest radiography both to check on the position of their multiple assistive devices and to assess their cardiopulmonary status. Case Quiz 9 Question…
General Considerations Pneumonia can be defined as consolidation of the lung produced by inflammatory exudate, usually as a result of an infectious agent. Most pneumonias produce airspace disease, either lobar or segmental. Other pneumonias demonstrate interstitial disease and some produce…