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An abdominal hemangioma is a benign vascular tumor, a common finding in liver ultrasound. These non-cancerous growths are typically asymptomatic and often discovered incidentally during imaging for other conditions. On ultrasound, they usually appear as well-defined, hyperechoic (bright) lesions, though their appearance can vary. Accurate identification is crucial for differential diagnosis in abdominal medical imaging.…

Gallstones are hardened deposits of digestive fluid that can form in the gallbladder, a small organ beneath the liver. In abdominal ultrasound, these concretions appear as hyperechoic structures within the gallbladder lumen, often with posterior acoustic shadowing. Their presence is a common finding during abdominal scans, frequently associated with symptoms like right upper quadrant pain,…

Focal Nodular Hyperplasia (FNH) is a benign liver lesion, often discovered incidentally during abdominal ultrasound examinations. Characterized by a central stellate scar and normal hepatocytes, it's a non-cancerous growth that typically requires no treatment. Ultrasound imaging is key for initial detection and monitoring, often presenting as a well-defined mass with variable echogenicity. Understanding FNH in…

In abdominal ultrasound, biliary sludge refers to a viscous mixture of particulate matter, primarily cholesterol crystals and calcium bilirubinate granules, suspended in bile. Often appearing as a mobile, non-shadowing layer within the gallbladder, it indicates impaired gallbladder motility or bile stasis. While sometimes asymptomatic, sludge can lead to biliary colic, cholecystitis, or pancreatitis, making its…

A liver abscess is a pus-filled lesion within the liver, typically resulting from bacterial, parasitic, or fungal infections. In abdominal ultrasound, it appears as a hypoechoic or anechoic mass with irregular borders, often exhibiting internal debris or gas. Early detection via medical ultrasound is crucial for guiding drainage and antibiotic therapy to prevent complications. Ultrasound…