Benign hepatic tumor

1.Hemangioma

Risk factor- female, contraceptive

Presentation- >5cm would pain

X-ray- Calcified capsule

Echo- well-defined, lobulation, homogenous, hyperechoic, hypoechoic(hemorrhage/fibrosis)

CT- Arterial phase(contrast diffuse from outside into inside), venous phase(hemangioma light up), centripetal enhancement, cotton-wool enhancement

Surgery indication- Kasabach-Merritt syndrome (exhausted Plt and coagulation factor, Microangiopathic hemolytic anemia), hemorrhage, suspect malignancy


2.Focal nodular hyperplasia(FNH)

Risk factor- Female, contraceptive

Microscopic- hepatocyte, bile duct cell, Kupffer cell(Technetium sulfur colloid stain)

CT- Arterial phase(hyperdense at peripheral, hypodenseat central, central scar→ Spoke-wheel sign), Venous phase(isodense at peripheral, hypodense at central)


3.Hepatocellular adenoma

Risk factor- Female, contraceptive, steroid

Characteristic- Easily bleeding, convert to malignancy

Microscopic- Only hepatocyte

CT- Heterogenous

Surgery indication- >5cm

Published by Steve Johnson

I am a doctor who like to organise knowledges and share ideas with others. As a doctor, a lot of knowledges influx everyday and need some patient to organise and absorb. Here was my notes to share with you and hope to save your time to know it.

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