hepatic adenoma vs fnh vs hcc
very rare, women, associated strongly with oral contraceptive use, can lead to rupture and fatal hemoperitoneum. Lack portal triads and central veins. No central scar, although can have central hemorrhage. Trabeculae are 1-3 cells thick, no atypia, no nucleoli. FNH should have central scar and have all biliary architectural compoenents. also aberrant central vessel. HCC has thickened trabeculae (often 4+) with more cytologic atypia. Reticulin,l pCEA, Hepar1, AFP. Well diff HCC can have thinner trabeculae.