Nucleolar hypertrophy correlates with hepatocellular carcinoma development in cirrhosis due to HBV infection

Davide Trerè, Mauro Borzio, Alberto Morabito, Franco Borzio, Massimo Roncalli, Massimo Derenzini

Research output: Contribution to journalArticle

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Abstract

Patients with cirrhosis are at significant risk for hepatocellular carcinoma (HCC). The aim of the present study was to evaluate the relationship between the percentage of hepatocytes showing nucleolar hypertrophy and the development of HCC in cirrhosis of different causes. A total of 111 cirrhotic patients were studied, with a mean follow-up period of 83.3 months. Histologic sections from liver biopsy specimens were silver stained for selective visualization of the nucleolus; the nucleolar area was measured by image cytometry. Nucleoli with a size of 7 μm2 or greater were considered to be hypertrophic. The nucleolar index was obtained by calculating the percentage of hepatocytes disclosing a nucleolar area of 7 μm2 or greater. During the observation time, HCC was diagnosed in 39 of 111 patients. The incidence rate of HCC was greater in patients with nucleolar indexes of 2.5 or greater than in patients with nucleolar indexes of less than 2.5 (16.49%/y vs. 3.41%/y, respectively; P <.0001). The capacity of the nucleolar index to predict HCC development was separately tested in groups of patients divided by etiology, and it was found to be particularly relevant in hepatitis B virus (HBV)-related cirrhosis (P = .0006). Among patients with hepatitis C virus (HCV) infection, high nucleolar-index values were associated with a greater risk for HCC development, but the difference in the incidence rate of HCC between groups with a nucleolar index of 2.5 or greater and less than 2.5 was not statistically significant (P = .0944). In conclusion, our results have shown that high percentages of hepatocytes showing nucleolar hypertrophy significantly predict HCC development in patients with HBV infection, whereas their predictive value in HCV-related cirrhosis seems to be lower.

Original languageEnglish
Pages (from-to)72-78
Number of pages7
JournalHepatology
Volume37
Issue number1
DOIs
Publication statusPublished - Jan 1 2003

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Virus Diseases
Hepatitis B virus
Hypertrophy
Hepatocellular Carcinoma
Fibrosis
Hepatocytes
Hepacivirus
Image Cytometry
Incidence
Silver
Observation
Biopsy
Liver

ASJC Scopus subject areas

  • Hepatology

Cite this

Nucleolar hypertrophy correlates with hepatocellular carcinoma development in cirrhosis due to HBV infection. / Trerè, Davide; Borzio, Mauro; Morabito, Alberto; Borzio, Franco; Roncalli, Massimo; Derenzini, Massimo.

In: Hepatology, Vol. 37, No. 1, 01.01.2003, p. 72-78.

Research output: Contribution to journalArticle

Trerè, Davide ; Borzio, Mauro ; Morabito, Alberto ; Borzio, Franco ; Roncalli, Massimo ; Derenzini, Massimo. / Nucleolar hypertrophy correlates with hepatocellular carcinoma development in cirrhosis due to HBV infection. In: Hepatology. 2003 ; Vol. 37, No. 1. pp. 72-78.
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abstract = "Patients with cirrhosis are at significant risk for hepatocellular carcinoma (HCC). The aim of the present study was to evaluate the relationship between the percentage of hepatocytes showing nucleolar hypertrophy and the development of HCC in cirrhosis of different causes. A total of 111 cirrhotic patients were studied, with a mean follow-up period of 83.3 months. Histologic sections from liver biopsy specimens were silver stained for selective visualization of the nucleolus; the nucleolar area was measured by image cytometry. Nucleoli with a size of 7 μm2 or greater were considered to be hypertrophic. The nucleolar index was obtained by calculating the percentage of hepatocytes disclosing a nucleolar area of 7 μm2 or greater. During the observation time, HCC was diagnosed in 39 of 111 patients. The incidence rate of HCC was greater in patients with nucleolar indexes of 2.5 or greater than in patients with nucleolar indexes of less than 2.5 (16.49{\%}/y vs. 3.41{\%}/y, respectively; P <.0001). The capacity of the nucleolar index to predict HCC development was separately tested in groups of patients divided by etiology, and it was found to be particularly relevant in hepatitis B virus (HBV)-related cirrhosis (P = .0006). Among patients with hepatitis C virus (HCV) infection, high nucleolar-index values were associated with a greater risk for HCC development, but the difference in the incidence rate of HCC between groups with a nucleolar index of 2.5 or greater and less than 2.5 was not statistically significant (P = .0944). In conclusion, our results have shown that high percentages of hepatocytes showing nucleolar hypertrophy significantly predict HCC development in patients with HBV infection, whereas their predictive value in HCV-related cirrhosis seems to be lower.",
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