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Type:
Educational Exhibit
Keywords:
Abdomen, Liver, Interventional non-vascular, MR, CT, Ultrasound, Biopsy, Neoplasia, Tissue characterisation, Pathology
Authors:
V. Attard1, L. Reichmuth2, J. DeGaetano1, K. Cortis3; 1Msida/MT, 2Tal-Qroqq/MT, 3Zebbug/MT
DOI:
10.1594/ecr2017/C-1945
Background
A variety of hepatic lesions,
ranging from benign to malignant entities can contain microscopic or macroscopic fat.
Focal fatty infiltration,
adenomas and focal nodular hyperplasia may contain intracellular lipid.
HNF 1α mutated adenoma and inflammatory adenoma usually contain intracellular fat.
Macroscopic fat-containing liver lesions include benign rare entities,
such as hepatic lipoma and teratoma and less rare lesions,
including hepatic angiomyolipoma.
Malignant lesions such as metastases from fat-containing tumours may also contain macroscopic fat.
A fat-containing nodule in a cirrhotic liver usually represents a well-differentiated hepatocellular carcinoma.
Liver lesions containing intracellular fat include:
Benign
|
Malignant
|
Focal steatosis
|
Hepatocellular carcinoma
|
Adenoma
|
|
Focal nodular hyperplasia
|
|
Angiomyolipoma
|
|
Liver lesions containing macroscopic fat include:
Benign
|
Malignant
|
Lipoma
|
Liposarcoma
|
Xanthoma
|
Metastatic liposarcoma
|
Adenoma
|
Hepatocellular carcinoma
|
Hepatic adrenal rest tumour
|
Metastases
|
Angiomyolipoma
|
|
Teratoma
|
|
Tables adapted from Prasad et.
al.
Fat-containing lesions of the liver: Radiologic-pathologic correlation.
RadioGraphics,
25,
321-331.