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The morphogenesis of human hepatocellular carcinoma
W F Grigioni1, A D'Errico, C Fortunato
1Istituto di Anatomia Patologica, Università di Bologna, Italy.
The Italian Journal of Gastroenterology
|December 1, 1991
Summary
Hepatic carcinogenesis, or liver cancer development, can follow two distinct pathways. These pathways involve either a progressive sequence of lesions or direct development of hepatocellular carcinoma (HCC) in cirrhotic livers.
Area of Science:
- Hepatology
- Oncology
- Pathology
Background:
- Hepatic carcinogenesis is a multistep process.
- This process typically involves hyperplastic nodules progressing to hepatocellular carcinoma (HCC).
- Lesions show a continuous spectrum from early to advanced stages.
Purpose of the Study:
- To investigate the morphological progression pathways of hepatic carcinogenesis.
- To identify distinct routes leading to hepatocellular carcinoma (HCC).
Main Methods:
- Histopathological analysis of liver tissues.
- Observation of lesion progression in cirrhotic and non-cirrhotic livers.
Main Results:
- A multistep process from hyperplastic nodules to HCC was observed in both cirrhotic and non-cirrhotic livers.
- Minute HCC lesions were identified without preceding hyperplastic lesions in cirrhotic livers.
- Evidence suggests two main morphological pathways for liver carcinogenesis.
Conclusions:
- Liver cancer development can occur through at least two distinct morphological pathways.
- One pathway involves a stepwise progression of lesions.
- Another pathway allows for direct HCC formation in certain contexts, particularly in cirrhotic livers.