Mediastinal Lipomatosis

Etiology

  • Corticosteroids

Physiology

  • Deposition of fat in mediastinum

Diagnosis

  • CXR/Chest CT: widened mediastinum
    • Hounsfield Units on CT: demonstrates fat density

Clinical

  • Asymptomatic: mediastinal lipomatosis occurs in association with cushingoid appearance (round facies, “buffalo hump”)

Treatment

  • None required

References

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