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dc.typeArtigo de periódicopt_BR
dc.titleHepatic Involvement In Paediatric Patients With Paracoccidioidomycosis: A Histological Studypt_BR
dc.contributor.authorde Melo Braga G.pt_BR
dc.contributor.authorHessel G.pt_BR
dc.contributor.authorPereira R.M.pt_BR
dc.contributor.authorEscanhoela C.A.F.pt_BR
unicamp.authorde Melo Braga, G., Center for Investigation in Pediatrics, UNICAMP School of Medicine, Campinas, Brazilpt_BR
unicamp.authorHessel, G., Department of Pediatrics, UNICAMP School of Medicine, Campinas, Brazilpt_BR
unicamp.authorPereira, R.M., Department of Pediatrics, UNICAMP School of Medicine, Campinas, Brazilpt_BR
unicamp.authorEscanhoela, C.A.F., Departments of Pathology, UNICAMP School of Medicine, Campinas, Brazilpt_BR
dc.description.abstractAim: Paracoccidioidomycosis is a systemic mycosis that is endemic to certain countries in Latin America. This study aimed to describe the histological features of liver involvement in patients with paracoccidioidomycosis aged <16 years of age who were treated between 1980 and 2010, with a diagnosis that was confirmed by detection of the fungus by pathological examination. Methods and results: Liver tissue was obtained from one necropsy and 12 biopsies. Throughout 2007, biopsies were taken from patients with persistent jaundice or portal hypertension, after which biopsies became indicated due to elevated aminotransferase and low albumin levels. Using haematoxylin and eosin (H&E), Masson's trichrome and immunohistochemical (CK7 and CK19) staining, we noted degenerative alterations in bile duct cells and inflammatory injury to the bile ducts in 10 biopsies. Using immunohistochemistry for CK7 and CK19, we observed ductal proliferation in all 12 samples. Conclusions: Bile duct injuries by inflammatory cells might explain the predominant increase in canalicular enzymes; immunohistochemistry is more sensitive in demonstrating ductular reactions and might show changes that are not apparent on H&E staining. © 2013 John Wiley & Sons Ltd.en
dc.identifier.citationHistopathology. , v. 64, n. 2, p. 256 - 262, 2014.pt_BR
dc.description.provenanceMade available in DSpace on 2015-06-25T18:03:38Z (GMT). No. of bitstreams: 0 Previous issue date: 2014en
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