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Can ultrasonographic findings of perihepatic lymphadenopathy promote investigations to detect possible presence of virus C infection in non-symptomatic subjects?
Purpose: Only early detection of non-symptomatic patients is able to arrest the diffusion of the non-symptomatic HCV infection and lead to prompt treatment. Our aim was to attempt to correlate the presence of perihepatic lymph nodes and hepatitis C infection and to assess whether ultrasonography can have a role to promote specific investigations for pre-clinical diagnosis of virus C infection.
Method: We performed a controlled study on a cohort of 7974 subjects from a town of 27 000 inhabitants on the eastern coast of Sicily. Serologic hepatitis A, B and C markers, alanine aminotransferase levels and abdominal ultrasound examination according to size and number of peri-hepatic lymph nodes were performed on blind basis.
Results: One or more pathological lymph nodes were present in 684/7974 subjects. Haematochemical tests revealed the presence of anti-HCV positivity in 528/684 subjects with pathological lymph nodes and in 8/7290 subjects without pathological lymph nodes, there being a significant difference (
P<0.0001) between the two groups.
Conclusion: Our results confirm the association between perihepatic lymph nodes and virus C infection. Correct diagnostic assessment of this datum could lead not only to early diagnosis by specific blood test for HCV and consequent prompt aimed treatment, but could pave the way for efficacious territorial prevention and detection of an elevated percentage of likely non-symptomatic carriers.