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Related Experiment Videos

Scirrhous changes in dysplastic nodules do not indicate high-grade status.

Hee J An1, Peter Illei, Thomas Diflo

  • 1Department of Pathology, Pochon CHA University, School of Medicine, Sungnam, Korea. hjahn@cha.ac.kr

Journal of Gastroenterology and Hepatology
|May 20, 2003
PubMed
Summary

Scirrhous change in dysplastic nodules (DN) is not a reliable indicator of high-grade lesions. Two distinct morphological types of scirrhous change were identified, suggesting different underlying biological processes.

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Area of Science:

  • Hepatopathology
  • Oncology
  • Fibrosis research

Background:

  • Dysplastic nodules (DN) are classified as high-grade or low-grade, with high-grade DN considered precancerous.
  • Morphological characteristics of DN are actively researched for diagnostic and prognostic value.

Purpose of the Study:

  • To evaluate scirrhous change in DN as a potential indicator of high-grade DN.
  • To analyze morphological and cell-kinetic features of scirrhous change using immunohistochemistry for Ki-67.

Main Methods:

  • Review of 35 livers with DN, selecting 15 with scirrhous change.
  • Histological staining (H&E, trichrome, reticulin, Perls') and Ki-67 immunohistochemistry.
  • Subclassification of scirrhous change based on fibrosis patterns and assessment of proliferative activity.

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Main Results:

  • Identified two types of scirrhous change: pericellular (linked to cholestatic degeneration) and stellate (linked to ischemic damage).
  • High-grade DN constituted 33% of scirrhous nodules; low-grade comprised 67%.
  • No significant correlation found between scirrhous change type/presence and DN grade, nor between Ki-67 indices and DN grade or surrounding nodules.

Conclusions:

  • Scirrhous change in DN is not a specific marker for high-grade lesions.
  • Two distinct morphological varieties of scirrhous DN (pericellular and stellate) may represent different biological processes.