Which of the following hepatic lesions can be diagnosed with high accuracy by using nuclear imaging
Correct Answer: FNH
Description: Focal nodular hyperplasia FNH is second most common benign tumor of the liver Usually a small (<5cm) nodular mass arising in a normal liver, involves right and left liver equally Mainly seen in young women associated with OCP's use Pathology Central fibrous scar with radiating septa in the mass Typical hepatic vascularity is not seen with Atypical biliary epithelium Central scar contains a large aery that branches out into multiple smaller aeries in a spoke wheel pattern (on angiography) Clinical features Incudental finding at laparotomy or more commonly on imaging studies in most patients Vague abdominal pain in symptomatic cases AFP levsl are normal Diagnosis Most cases of FNH can be diagnosed radiologically on CECT or MRI Homogenous mass with a central scar that rapidly enhances during the aerial phase of contrast administration Histologic confirmation and resection for definitive diagnosis if radiologic diagnosis is difficult Treatment No treatment in asymptomatic patients with typical radiologic features Resection in cases of diagnostic unceainity for histological confirmation
Category:
Anatomy
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