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Focal nodular hyperplasia-like areas in cirrhosis

Quaglia, A; Tibballs, J; Grasso, A; Prasad, N; Nozza, P; Davies, SE; Burroughs, AK; ... Dhillon, AP; + view all (2003) Focal nodular hyperplasia-like areas in cirrhosis. HISTOPATHOLOGY , 42 (1) 14 - 21.

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Aims: Focal nodular hyperplasia-like lesions have rarely been described in cirrhotic livers. We describe five cases of such lesions.Methods and results: Between 1998 and 2001, 146 liver transplants were performed at the Royal Free Hospital for cirrhosis of the liver. Nodular lesions identified in the livers removed at transplantation were defined histologically according to the International Working Party classification (Hepatology 1995; 22; 983). They were present in 63 of these livers, as follows: 36 dysplastic nodules, 121 macroregenerative nodules, and 71 hepatocellular carcinomas. In five patients, an additional 12 nodules (size range 4-23 mm, median 10.5 mm) showed histological features suggestive of focal nodular hyperplasia including mildly inflamed vascular fibrous septa, and ductular proliferation. Pre-transplantation imaging showed features suspicious for hepatocellular carcinoma, in three of these lesions (12, 23 and 23 mm diameter) from two different patients. These lesions were histologically indistinguishable from focal nodular hyperplasia occurring in non-cirrhotic livers, with fibrous scars and septa which contained vascular and ductular structures.Conclusions: It is important to recognize that these lesions may occur in the context of cirrhosis and that they should be considered in the differential diagnosis with hepatocellular carcinoma, dysplastic nodules and macroregenerative nodules.

Type: Article
Title: Focal nodular hyperplasia-like areas in cirrhosis
Keywords: cirrhosis, nodular lesions, focal nodular hyperplasia, macroregenerative nodules, dysplastic nodules, hepatocellular carcinoma, PORTAL-VEIN THROMBOSIS, BUDD-CHIARI-SYNDROME, REGENERATIVE HYPERPLASIA, HEPATOCELLULAR NODULES, LIVER-DISEASE, TRANSFORMATION, LESIONS, PATHOGENESIS, HYPERTENSION, DIAGNOSIS
URI: http://discovery.ucl.ac.uk/id/eprint/73289
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