Normal Ultrasound Imaging of the Liver

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What is the effect of the Valsalva manoeuvre on hepatic veins?

They become constricted

They become invisible on ultrasound

They become pulsatile

They become dilated (correct)

What can be mistaken for a mass in the liver?

The caudate lobe (correct)

The left lobe

The right lobe

The falciform ligament

What is the characteristic appearance of the gallbladder on ultrasound?

Hypo-echogenic and pear-shaped (correct)

Hypo-echogenic and irregular

Echogenic and elongated

Echogenic and spherical

What is the relation between the echogenicity of the liver parenchyma and other organs?

It is less echogenic than the pancreas and more echogenic than the spleen Signup and view all the answers

Which of the following is NOT a structure that can be seen in the liver?

The stomach Signup and view all the answers

What is the boundary between the caudate lobe and the left lobe of the liver?

The proximal left portal vein Signup and view all the answers

Which of the following is a vessel that can be seen in the liver?

The inferior vena cava Signup and view all the answers

What is the orientation of the falciform ligament in the transverse plane?

Transverse Signup and view all the answers

What is the recommended frequency of the transducer for adults during ultrasound imaging of the liver?

3.5 MHz Signup and view all the answers

What should the gain setting be adjusted to ensure during ultrasound imaging of the liver?

To clearly see the diaphragm Signup and view all the answers

In which plane should the scanning be done to obtain the best visualization of the whole liver?

Sagittal, transverse, and oblique planes Signup and view all the answers

What should the patient be asked to do before scanning a specific area of the liver?

Take a deep breath and hold it in Signup and view all the answers

What is the normal appearance of the liver parenchyma during ultrasound imaging?

Homogeneous throughout its depth Signup and view all the answers

What can be seen in the liver unless dilated?

Hepatic arteries and bile ducts Signup and view all the answers

What is the recommended movement of the transducer during scanning?

Slow and rocking movement Signup and view all the answers

What is the normal measurement of the liver size in an adult?

Less than 14 cm Signup and view all the answers

What is the primary purpose of adjusting the gain in ultrasound imaging?

To amplify the reflected ultrasound waves from deeper tissues Signup and view all the answers

What is the recommended preparation for patients undergoing liver ultrasound?

Nil by mouth for 8 hours, with water allowed if necessary Signup and view all the answers

What is the main purpose of taking an anteroposterior supine radiograph of the abdomen?

To exclude subphrenic air from a perforated viscus Signup and view all the answers

What is the primary indication for liver ultrasound in patients with jaundice?

To diagnose liver lesions Signup and view all the answers

What is the recommended patient position for liver ultrasound?

Supine Signup and view all the answers

What is the purpose of evaluating liver surface appearance and texture?

To detect potential fatty liver infiltration Signup and view all the answers

What is the primary indication for liver ultrasound in patients with right upper abdominal pain?

To rule out liver mass Signup and view all the answers

What is the importance of scanning the liver in patients with suspected metastases?

To detect potential liver lesions Signup and view all the answers