摘要
Dear editor,Focal nodular hyperplasia(FNH)is the second most common benign hepatic lesion in adults.Etiology is unknown and it is often diagnosed incidentally in women of childbearing age.The disease has minimal risk of malignant degeneration or rupture.1 It is often asymptomatic although it may manifest as abdominal pain or a palpable mass when the diameter exceeds 10 cm.1–3 Despite the disease’s predilection for females,there’s no evidence that female hormones alter the course of FNH;several studies conducted on pregnant patients with FNH showed no modification in tumor size.
