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  • Title: [Nodular regenerative hyperplasia of the liver. Study of 15 cases and review of the literature].
    Author: Capron JP, Degott C, Bernuau J, Saint-Marc Girardin MF, Zafrani ES, Braillon A, Quénum C, Dhumeaux D, Benhamou JP.
    Journal: Gastroenterol Clin Biol; 1983 Oct; 7(10):761-9. PubMed ID: 6628910.
    Abstract:
    The authors report 15 cases of nodular regenerative hyperplasia (NRH) of the liver observed in 10 women and 5 men during a 9 year period. Gastrointestinal bleeding due to ruptured esophageal varices revealed the liver disease in 11 cases. Hepatomegaly and splenomegaly were noted in 9 cases and ascites in 7. Anicteric cholestasis was demonstrated in 10 cases. Another disease, e. g. myelofibrosis and monoclonal gammapathy, was present in 11 patients. In 10 patients, portal diversion was performed; outcome being favorable with a follow-up of one to six years. The analysis of these cases and of the 113 previously published reports calls for the following comments: 1) In most cases, NRH is characterized by small-sized hepatocytic nodules scattered throughout the entire liver with no surrounding fibrosis; however this histological pattern may vary somewhat, with adjacent normal zones being found adjacent to typical cirrhotic fibrosis; although a precise morphometric study was not performed in our patients, obstruction of the tiny branches of intrahepatic portal veins was not observed. 2) Histological diagnosis of NRH is difficult and in most cases requires surgical biopsy specimens and specific coloration of the reticulin network. 3) NRH must be considered as a new cause of intrahepatic (sinusoidal or presinusoidal) portal hypertension and/or of chronic anicteric cholestasis. 4) A number of various conditions may be associated with NRH, the most frequent being Felty's syndrome and myeloproliferative disorders. 5) The pathogenesis of NRH remains unknown. 6) Portal diversion generally has a favorable outcome in this disease.
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