Lesson 1 of 0
In Progress

Findings and diagnosis

Findings

  • CT: A 6-cm homogenous left adrenal mass measuring 38 HU. Avid enhancement and washout
  • MRI: A slightly heterogeneous low T2 and homogeneous intermediate T1 signal. No fat content. Progressive enhancement followed by washout

Differential diagnosis

  • Lipid-rich adenoma
  • Lipid-poor adenoma
  • Pheochromocytoma
  • Adrenocortical carcinoma
  • Myelolipoma
  • Metastasis

Diagnosis: Adrenal oncocytic neoplasm (adrenal oncocytoma)