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Evaluation by ultrasound of abdominal lymphadenopathy in chronic hepatitis C

  • Autori: Soresi, M.; Carroccio, A.; Agate, V.; Bonfissuto, G.; Magliarisi, C.; Fulco, M.; Aragona, F.; Montalto, G.
  • Anno di pubblicazione: 1999
  • Tipologia: Articolo in rivista (Articolo in rivista)
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Objective: Abdominal ultrasound has shown a frequent association between abdominal lymphadenopathy (LA) and chronic liver disease, but contradictory data have been reported on its relationship with the main parameters of hepatic function. The aim of this study was to correlate the prevalence of LA in patients who were chronic hepatitis-anti-hepatitis C virus positive prospectively followed-up over the last 3 years and its relationship with biochemical and histological data. Methods: 136 RIBA II confirmed positive patients with ALT levels >2N were included. None of these had been or was at the time of study on interferon treatment. Ultrasound was performed using a Toshiba SSA 240 A apparatus with a 3.75 MHz convex probe; the operator was unaware of the other results. Diagnosis of chronic hepatitis in all cases was made on biopsy specimens; the histological activity index (HAI) score, according to Knodell, and the grading (G) and staging (S) scores, according to Desmet, were also evaluated. Results: LA was found in 54 out of 136 patients (40%); accordingly, patients were divided into two groups: the LN + ve group included 54 patients (M 33, mean age 48.1 ± 11.7 yr) and the LN-ve group included 82 patients (M 69, mean age 45.3 ± 11.9 yr). LN + ve patients showed significantly higher serum levels of AST (p < 0.0005), ALT (p < 0.001), γGLO (p < 0.05) and γGT (p < 0.02) than LN - ve patients. There was a more severe degree of liver disease in LN + ve patients, expressed by the higher HA1 (p < 0.002), G (p < 0.002), and S (p < 0.005). The χ2test for linear association analysis confirmed the trend toward greater histological severity in LN + ve patients (χ2MH = 10.2; p < 0.002). Logistic regression confirmed the association between the presence of LA and AST (p < 0.02), ALT (p < 0.03), G (p < 0.02), and S (p < 0.02). Conclusion: This study showed a moderate prevalence of LA in chronic hepatitis C, lower than that reported in other studies. LA was associated with serum parameters of cytolysis, and above all, with the severity of histological damage.