Ultrasound Pictures “pseudocapsule”

Conversely, lesions larger than 3 cm are often heterogeneous, with a mosaic or mixed pattern arising from a combination of areas of necrosis, hemorrhage, fatty egeneration and interstitial fibrosis.

radiology imaging Moderately-differentiated hepatocellular carcinoma. On ultrasound, the lesion is heterogeneous with hypoechoic and hyperechoic areas (arrowheads). A thin, hypoechoic rim corresponding to a pseudocapsule borders the lesion (arrows)