Diagnostic Ultrasound - Abdomen and Pelvis

Echogenic Liver Mass
Hepatic Ligaments and Fissures
Hepatocellular Carcinoma (HCC)
(Left) Transverse grayscale
ultrasound of the left lobe of
the liver shows an echogenic
falciform ligament . The
falciform ligament attaches
the liver to the anterior body
wall and often contains fat,
which appears echogenic.
(Right) Grayscale abdominal
ultrasound shows a
hyperechoic HCC in the
subcapsular portion of the
liver ſt. Lateral edge
shadowing and posterior
acoustic enhancement are
seen associated with the HCC.
Differential Diagnoses: Liver
Hepatic Adenoma
Hepatic Angiomyolipoma (AML)
(Left) Transverse grayscale
ultrasound of the left lobe of
the liver in a 22-year-old
woman shows an echogenic
solid mass , which was
proven to represent a hepatic
adenoma. (Right) Longitudinal
abdominal ultrasound shows a
well-defined, homogeneously
hyperechoic angiomyolipoma
in the liver ſt. Slight posterior
acoustic enhancement is
seen associated with the AML.
Hepatic Angiomyolipoma (AML)
Hepatic Lipoma
(Left) Axial arterial phase of
abdominal CECT in the same
patient shows the large
hypervascular
angiomyolipoma in the right
lobe of liver ſt. The mass
contains tiny hypodense foci
st indicating fatty
components. (Right) Color
Doppler ultrasound shows a
well-defined, uniformly
echogenic avascular mass
in the liver shown to represent
an intrahepatic lipoma.
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