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Rivista di Medicina Interna
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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Panminerva Medica 2001 Marzo;43(1):49-52
Focal segmental glomerulosclerosis and hepatitis C virus. A case report
Motta M., Malaguarnera M., Restuccia N., Romano M., Vinci E., Pistone G.
From the Institute of Internal Medicine and Geriatrics University of Catania, Catania, Italy
Focal segmental glomerulosclerosis (FSGS) is a renal disease characterized by sclerotic segmentary lesions, involving a few glomeruli. Male-female ratio is >1 and, in the majority of cases, the patients are aged between 25 to 35 years. The clinical picture is similar to a nephrotic syndrome with non-selective proteinuria poorly sensitive to steroids and often associated with microhematuria. The etiology is still unknown, even if a prevalence in drug addictors, patients with AIDS and subjects with recurrent urological infections with vesico-ureteral reflux was observed. Recent reports showed that chronic infection Hepatitis C Virus (HCV)-related may be associate with or responsible for onset of some syndrome involving the kidney but not the liver. We report the case of a young woman with HCV-Ab positive chronic hepatitis that, during the disease, showed clinical findings of renal involvement, histologically related to a FSGS. We administered to her alpha-IFN at doses of 3 Mega Units thrice-a-week for six months. Serum HCV-RNA, proteinuria and hematuria disappeared simultaneously after the treatment. We underline that the lack of finding of HCV antigens or HCV-RNA in glomerular lesions (as occurred in our patient) does not rule out the virus role in pathogenesis of immunological nephritis. The recovery of our patient as well as the disappearance of proteinuria and hematuria during IFNalpha treatment may be further evidence that FSGS and chronic hepatitis HCV-related are not associated by chance. Further observations and perfectioning of diagnostic techniques are required to clarify the pathogenetic relationship between HCV and renal immunological syndromes.