Hepatic Adenoma

Hepatic Adenoma

Q) A 37 year old lady with history of oral contraceptives undergoes a CT scan for pain lower abdomen which also revealed a solitary 6 cm lesion in segment VI of liver.  Triple phase  Ct scan shows a lesion which  enhances in the arterial phase more at the margins and in the venous phase it moves towards the center. This lesion is :

a) Focal Nodular Hyperplasia

b) Haemangioma

c) Hepatic Adenoma

d) Hepatocellular carcinoma

Answer is C

Hepatic Adenoma is benign neoplasms of the liver. They are associated with 

  1. OCP use

  2. Androgen containing steroids

  3. Type I and III glycogen storage diseases

They are diagnosed on the basis of CT scans. Diagnostic features of CT Scan for hepatic adenoma are

  1. Non contrast- Heterogenous hypodense mass with areas of hemorrhage and necrosis

  2. Arterial phase shows rapid filling at the periphery then progressing to the center

Hepatocellular carccinoma shows - Rapid arterial filling with wash off in the portal venous phase

Hemangioma- Peripheral nodular enhancement

FNH- Central scar

Rf: Shackelford page 1564

 

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