Liver mass classification: Difference between revisions
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==Overview== | ==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).<ref name="benign"> 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.</ref> | Liver mass may be classified according to imaging features (hyperechoic vs. hypoechoic), histopathological origin (benign vs. malignant), and distribution (single/focal/solitary vs. multiple).<ref name="benign">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.</ref> | ||
==Classification== | ==Classification== | ||
: | |||
==Classification== | |||
*''' | A liver mass may be classified into several subtypes based on number of nodules, type of histopathology, and consistency.{{familytree/start}} | ||
{{familytree | | | | | | | | | | | | | | | | | | | A01 | | | | | | | | | | |A01=Liver mass}} | |||
{{familytree | | | | | | | | | | | | | | | | | | | |!| | | | | | | | | | | | |}} | |||
*''' | {{familytree | | | | | | | | |,|-|-|-|-|-|-|-|-|-|-|+|-|-|-|-|-|-|-|-|-|-|.| | | | | | |}} | ||
{{familytree | | | | | | | | B01 | | | | | | | | | B02 | | | | | | | | | B03 | | | | | |B01=Based on number of nodules|B02=Type of histopathology|B03=Imaging/consistency|}} | |||
{{familytree | | | | | | | | |!| | | | | | | | | | |!| | | | | | | | | | |!| | | | | |}} | |||
*''' | {{familytree | | | | |,|-|-|-|^|-|-|-|.| | | |,|-|-|^|-|-|.| | | |,|-|-|-|^|-|-|-|.| | |}} | ||
{{familytree | | | | C01 | | | | | | C02 | | C03 | | | | C04 | | C05 | | | | | | C06 | | C01=Solitary|C02=Multiple|C03=Benign|C04=Malignant|C05=Simple|C06=Cystic}} | |||
:*Multiple | {{familytree/end}} | ||
* | *WHO classification | ||
{| border="1" cellpadding="5" cellspacing="0" align="center" |class="wikitable" | |||
! colspan="4" style="background:#efefef;" |WHO Classification of Liver Tumors | |||
The table below summarizes the classification of common liver masses according to histopathological origin. | |- | ||
{|style="border: 5px; font-size: 90%; margin: 5px; width: 1000px" align=center | ! colspan="3" style="background:#efefef;" |Benign Tumors | ||
!style="padding: 5px 5px; background: #4479BA; font-weight: bold; text-align:center; | ! style="background:#efefef;" |Malignant Tumors | ||
|valign=top| | |- | ||
| rowspan="2" |'''Epithelial''' | |||
|'''Hepatocytes''' | |||
| | |||
*Focal nodular hyperplasia | |||
*Hepatocellular adenoma | |||
| | |||
*HCC | |||
*Fibrolamellar carcinoma | |||
*Hepatoblastoma | |||
*Carcinosarcoma | |||
|- | |||
|'''Biliary cells''' | |||
| | |||
*Intrahepatic bileduct adenoma | |||
*Intrahepatic bileduct cystadenoma | |||
*Biliary papillomatosis | |||
| | |||
*Cystadenocarcinoma | |||
*Cholangiocarcinoma | |||
|- | |||
|'''Non-Epithelial''' | |||
|'''Mesenchymal''' | |||
| | |||
*Hemangioma | |||
*Lymphangioma | |||
*Lymphangiomatosis | |||
*Angiomyolipoma | |||
*Infantile Hemangioma | |||
| | |||
*Hemangioendothelioma | |||
*Primary lymphoma | |||
*Angiosarcoma | |||
*Epitheloid | |||
|} | |||
*Cystic | |||
{| border="1" cellpadding="5" cellspacing="0" align="center" |class="wikitable" | |||
! style="background:#efefef;" |Classification of Hepatic Cysts | |||
|- | |||
| | |||
*Simple cysts | |||
*Multiple cysts arising in the setting of polycystic liver disease (PCLD) | |||
*Parasitic cysts | |||
*Cystic tumors | |||
**Cystadenoma, cystadenocarcinoma, squamous cell carcinoma | |||
*Abscesses | |||
|}The table below summarizes the classification of common liver masses according to histopathological origin. | |||
{| style="border: 5px; font-size: 90%; margin: 5px; width: 1000px" align="center" | |||
! colspan="2" style="padding: 5px 5px; background: #4479BA; font-weight: bold; text-align:center;" |{{fontcolor|#FFF|'''Classification of liver mass'''}} | |||
| valign="top" | | |||
|+ | |+ | ||
|- | |- | ||
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| style="background: #4479BA; width: 300px; text-align:center;" | {{fontcolor|#FFF|'''Malignant'''}} | | style="background: #4479BA; width: 300px; text-align:center;" | {{fontcolor|#FFF|'''Malignant'''}} | ||
|- | |- | ||
|style="padding: 5px 5px; background: #F5F5F5;"| | | style="padding: 5px 5px; background: #F5F5F5;" | | ||
*Hepatic hemangioma | *Hepatic hemangioma | ||
*Focal nodular hyperplasia | *Focal nodular hyperplasia | ||
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*Biliary cystadenoma | *Biliary cystadenoma | ||
*Regenerative nodules | *Regenerative nodules | ||
|style="padding: 5px 5px; background: #F5F5F5;"| | | style="padding: 5px 5px; background: #F5F5F5;" | | ||
*Hepatocellular carcinoma | *Hepatocellular carcinoma | ||
*Cholangiocarcinoma | *Cholangiocarcinoma | ||
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==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
[[Category:Disease]] | [[Category:Disease]] |
Revision as of 16:18, 31 January 2018
Liver Mass Microchapters |
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Liver mass classification On the Web |
American Roentgen Ray Society Images of Liver mass classification |
Risk calculators and risk factors for Liver mass classification |
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.