Incidence and prevalence rates of Duchenne muscular dystrophy in the Province of Reggio Emilia
Lucci, B.
Acta Neurologica 1(5): 405-408
1979
ISSN/ISBN: 0001-6276 PMID: 517213 Document Number: 4236
Of 63 major tumors of the liver that occurred during a 22 year period, 26 were benign. Hemangioma accounted for 11 of 26 of these; diagnostic confusion was greatest over hepatoadenoma in four instances, focal nodular hyperplasia in three instances, and mesenchymal hamartoma in one instance. Hepatoadenomas are benign, usually solitary, encapsulated tumors, perhaps rarely with a malignant potential in patients with cirrhosis. Their main danger is in hemorrhagic infarction when large. Focal nodular hyperplasia has a malignant potential and is most commonly found in females between childhood and early adult life. Malignant transformation of a mesenchymal hamartoma has not been recorded. Of the 29 verifiable instances of mesenchymal hamartoma, the typical patient is usually a male in his first year of life, virtually always before his second year. Almost all the tumors are in the right lobe of the liver or attached to it. As excision is curative, distinction should be made between mesenchymal hamartomas and the malignant abdominal tumors in children.
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