J. Bates's Abdominal Ultrasound - How, Why and When PDF
By J. Bates
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Extra resources for Abdominal Ultrasound - How, Why and When
Inaccessible organs flop into better view and bowel moves away from the area of interest. ● Use a combination of sub- and intercostal scanning for all upper-abdominal scanning. The different angles of insonation can reveal pathology and eliminate artefact. ● Don’t limit yourself to longitudinal and transverse sections. Use a variety of planes and THE LIVER Normal appearance The liver is a homogeneous, mid-grey organ on ultrasound. It has the same, or slightly increased echogenicity when compared to the cortex of the right kidney.
The confidence limits help in determining the subsequent investigations and management of the patient. It is important, too, to retain an open mind about the diagnosis when embarking on the scan; an operator who decides the likely diagnosis on a clinical basis may sometimes be correct but, in trying to fit the scan to match the symptoms, risks missing significant pathology. angulations. Trace ducts and vessels along their courses. Use the transducer like a pair of eyes. ● Deep inspiration is useful in a proportion of patients, but not all.
Its success, however, in terms of a diagnosis, depends upon numerous factors, the most important of which is the skill of the operator. Because of their complexity and extent, the normal appearances and haemodynamics of the hepatobiliary system are dealt with in this chapter, together with some general upper-abdominal scanning issues. The normal appearances of the other abdominal organs are included in subsequent relevant chapters. It is good practice, particularly on the patient’s first attendance, to scan the whole of the upper abdomen, focusing particularly on the relevant areas, but also excluding or identifying any other significant pathology.
Abdominal Ultrasound - How, Why and When by J. Bates