Figure 2.
Typical MRI scan changes in ACTH adenoma. No enhancing mass lesion is seen in the sella turcia under the T1-weighted postcontrast MRI scan performed 2 years after GKRS. Patient 1's clinical symptom did improve. His serum ACTH level came down to 40.4 pg/ml, and his blood pressure was controlled within 140/80 mmHg.