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Synchronous multicentric development of hepatocellular carcinoma
A Eguchi1, T Furuta, M Haraguchi
1Department of Surgery, National Oita Hospital, Oita (A.E., T.F., M.H.), and Department of Surgery II, Faculty of Medicine, Kyushu University, Fukuoka (K.S.), Japan.
Journal of Clinical Gastroenterology
|June 1, 1995
Summary
Approximately 15% of hepatocellular carcinoma (HCC) cases in Japan may originate from multiple sites. Small hyperechoic lesions require careful evaluation as potential early-stage HCC, though this may be overly cautious in fatty liver prevalent regions.
Area of Science:
- Hepatology
- Oncology
- Diagnostic Imaging
Background:
- Multicentric origin of hepatocellular carcinoma (HCC) is increasingly recognized.
- The clinical significance of multicentric HCC, particularly small hyperechoic lesions, remains unclear.
Purpose of the Study:
- To investigate the histological characteristics and origin of small hyperechoic HCCs.
- To clarify the clinical importance of multicentric origin in HCC development.
Main Methods:
- Histological analysis of 12 small hyperechoic HCC nodules coexisting with main HCCs (<5.0 cm) in 44 Japanese patients.
- Classification of nodules into early-stage and advanced HCC based on histological features.
Main Results:
- 15.9% of patients had small hyperechoic HCCs, with 66.7% of these being early-stage.
- These early-stage HCCs exhibited fatty changes, well-differentiated histology, and retained underlying liver structure.
- Histological characteristics of early-stage HCCs differed from the main tumors.
Conclusions:
- Around 15% of HCC in Japanese patients may exhibit synchronous multicentric origin.
- Small hyperechoic lesions warrant careful evaluation for potential HCC, especially in regions with lower fatty liver prevalence.