Mediastinal lipomatosis refers to excessive deposition of mature adipose tissue in the mediastinum. It is a relatively common benign cause of mediastinal widening.
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Epidemiology
Associations
steroid use
obesity 1
Pathology
Mediastinal lipomatosis is the result of increased deposition of normal unencapsulated fat 1.
Location
It is most common in the upper mediastinum 2.
Radiographic features
CT
Seen as regions of homogeneous unencapsulated fat attenuating involving the mediastinum, sharply outlining vessels and lymph nodes 2.
See also
Madelung disease: fat deposition in the neck region and upper trunk
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