We found the clinical features of fibrolamellar hepatoma similar to those of nonfibrolamellar hepatoma with the exception of patient age. Although the histopathologic findings of fibrolamellar hepatoma are distinct and easily recognizable, we found that fibrolamellar hepatomas may be histologically heterogeneous. The overall length of survival of patients with fibrolamellar hepatoma was greater than that of patients with nonfibrolamellar hepatoma, but the survival resection was similar, regardless of histologic characteristics. Differences in overall survival between histologic subtypes probably reflects differences in the rate of resectability between fibrolamellar and nonfibrolamellar hepatomas.
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