NUCLEOLAR ORGANIZER REGIONS ΙΝ LIVER ΒΙΟΡSΥ SPECIMENS

Authors

  • Ε. ΣΙΒΡΙΔΗΣ
  • Κ. ΣΙΜΟΠΟΥΛΟΣ
  • Α. ΜΑΣΟΥΡΑ
  • B. SIMS

Abstract

The modified silver colloid technique for nucleolar organizer regions (AgNORs) was applied to a series of 35 liver biopsies. These comprised 5 specimens of normal liver, 10 with cirrhosis and 20 with hepatocellular carcinoma. AgNORs, seen in tissue sections as discrete black dots, were in higher numbers in liver - cell carcinomas than in normal and cirrhotic livers. These differences were significant statistically. Furthermore, normal and benign liver cells contained AgNORs which were tightly clustered into nucleoli; in contrast, malignant cells showed dispersal of AgNORs throughout the nucleus. Our findings underline the potential value of this technique in diagnostic liver pathology.

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