Liver mass classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Maria Fernanda Villarreal, M.D. [2]
Overview
Liver mass may be classified according to imaging features (hyperechoic vs. hypoechoic), histopathological origin (benign vs. malignant), and distribution (single/focal/solitary vs. multiple).[1]
Classification
Classification
A liver mass may be classified into several subtypes based on number of nodules, type of histopathology, and consistency.
Liver mass | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Based on number of nodules | Type of histopathology | Imaging/consistency | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solitary | Multiple | Benign | Malignant | Simple | Cystic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
- WHO classification
WHO Classification of Liver Tumors | |||
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Benign Tumors | Malignant Tumors | ||
Epithelial | Hepatocytes |
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Biliary cells |
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Non-Epithelial | Mesenchymal |
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- Cystic
Classification of Hepatic Cysts |
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The table below summarizes the classification of common liver masses according to histopathological origin.
Classification of liver mass | ||
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Benign | Malignant | |
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References
- ↑ Mergo PJ, Ros PR. Benign Lesions of the Liver. In: The Radiologic Clinics of North America, 2, W.B. Saunders, Philadelphia 1998. Vol 36, p.319.