CHORUS

Collaborative Hypertext of Radiology

Adrenal

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adrenal mass

• metastasis
  • most common (esp. lung, melanoma)
• primary adenocarcinoma
  • large at diagnosis (> 5 cm)
  • usually functional (increased corticosteroids ==> Cushing's)
  • rapid growth

• benign adrenal adenoma
  • +/- functional
  • nonfunctional occurs in 2-8% of population
  • diagnosis by CT: <15 HU on NCECT or <30 HU delayed (15min-1hr) following contrast

• pheochromocytoma
• neuroblastoma
• myelolipoma
• cyst / pseudocyst

  see also: adrenal calcification, hemorrhage

Related CHORUS documents: adrenal adenoma pheochromocytoma adrenal cyst adrenal myelolipoma adrenal calcification bilateral adrenal mass