On gross pathology, hepatocellular carcinomas typically appear as pale masses within the liver and may be unifocal, multifocal or diffusely infiltrative at the time of presentation.

2023年3月23日 · The viable metastases of the liver show at least early peripheral enhancement on contrast-enhanced ultrasound even if the central aspect would remain unenhanced (necrotic). The extension of the central necrotic area often correlates the tumor size, hence small gastrointestinal metastases may enhance avidly and homogeneously in arterial phase.

2024年10月23日 · Hepatic metastases are 18-40 times more common than primary liver tumors 6. Ultrasound, CT, and MRI are helpful in detecting hepatic metastases and evaluation across multiple post-contrast CT series, or MRI pulse sequences are necessary.

2022年5月2日 · Liver metastases are by far the most common hepatic malignancy, with many of the most common primaries readily seeding to the liver. This is especially the case with gastrointestinal tract tumors, due to portal drainage through the liver 2.

2024年7月23日 · A hyperechoic liver lesion on ultrasound can arise from a number of entities, both benign and malignant. A benign hepatic hemangioma is the most common entity encountered, but in patients with atypical findings or risk …

2023年6月5日 · Liver ultrasound is a valuable diagnostic tool for assessing liver anatomy, size, and pathology. It is a non-invasive, painless, and relatively quick procedure that does not involve exposure to ionizing radiation.

2024年12月10日 · Ultrasound can depict a focal intraluminal, wall involvement, or large mass-like lesion replacing the gallbladder. The tumor usually has irregular and sometimes ill-defined margins, with heterogeneous echotexture and predominantly low echogenicity.

2024年5月15日 · Recommendations for patients with no known risk factors for hepatic malignancy can range from center to center from performing confirmatory examinations (MRI, triphasic CT or scintigraphy) to considering follow-up ultrasound in 6 months to confirm stability, to performing no further imaging evaluation 13.

2023年6月5日 · Liver ultrasound is a valuable diagnostic tool for assessing liver anatomy, size, and pathology. It is a non-invasive, painless, and relatively quick procedure that does not involve exposure to ionising radiation.

2021年9月20日 · Cystic hepatic metastases are included in the differential for new cystic liver lesions. The internal cystic component may represent necrosis as the tumor outgrows its hepatic blood supply, or it may represent a mucinous component, similar to the primary tumor.