CUSHING'S DISEASE
Curing what others cannot find
OVERVIEW
Cushing's disease is caused by an ACTH-secreting pituitary tumor (corticotroph adenoma) that drives excessive cortisol production. The effects of chronically elevated cortisol are devastating: rapid weight gain, muscle weakness, fragile skin, high blood pressure, diabetes, osteoporosis, depression, and cognitive impairment. Left untreated, Cushing's disease significantly increases the risk of cardiovascular events and premature mortality.
The tumors causing Cushing's disease are often very small (microadenomas), making them difficult to detect on MRI. In many cases, the tumor is not clearly visible, and the surgeon must rely on anatomical knowledge and intraoperative judgment to locate and remove it. Additionally, these tumors frequently invade the medial wall of the cavernous sinus — a critical factor that many surgeons fail to recognize, leading to incomplete resection and persistent disease.
Surgical cure is the primary treatment for Cushing's disease. However, remission rates vary widely depending on the surgeon's experience and ability to address cavernous sinus invasion.
SURGICAL APPROACH
The endoscopic endonasal approach provides optimal visualization of the pituitary gland and surrounding structures. For Cushing's disease, Dr. Fernandez-Miranda applies his pioneering technique of medial wall resection of the cavernous sinus, which is particularly important because ACTH-secreting tumors have a high propensity for cavernous sinus invasion — often in a "wall thickening" pattern that can be missed by less experienced surgeons.
Dr. Fernandez-Miranda has achieved excellent remission rates for Cushing's disease, including in patients who had unsuccessful surgery elsewhere. His ability to identify and address subtle patterns of invasion is what makes the difference between persistent disease and true biochemical cure.
REVISION SURGERY
Many patients with Cushing's disease come to Dr. Fernandez-Miranda after one or more failed surgeries at other institutions. In these cases, the tumor is typically located in the medial wall of the cavernous sinus — an area that was not explored during the initial operation. Dr. Fernandez-Miranda has extensive experience with revision pituitary surgery, achieving remission in patients who were told their disease could not be cured surgically.
Frequently Asked Questions
What is Cushing's disease? Cushing's disease is caused by an ACTH-secreting pituitary tumor that drives excessive cortisol production. The effects include rapid weight gain, muscle weakness, fragile skin, high blood pressure, diabetes, osteoporosis, depression, and cognitive impairment. Left untreated, it significantly increases the risk of cardiovascular events and premature mortality.
Why is Cushing's disease so difficult to cure? The tumors causing Cushing's disease are often very small (microadenomas) and frequently not visible on MRI. The surgeon must rely on anatomical knowledge and intraoperative judgment to find and remove the tumor. Additionally, these tumors frequently invade the medial wall of the cavernous sinus in a subtle "wall thickening" pattern that many surgeons fail to recognize.
What is Dr. Fernandez-Miranda's approach to Cushing's disease? Dr. Fernandez-Miranda uses the endoscopic endonasal approach with his pioneering medial wall resection technique. This is particularly important for Cushing's disease because ACTH-secreting tumors have a high propensity for cavernous sinus invasion. His ability to identify and address subtle invasion patterns is what makes the difference between persistent disease and true biochemical cure.
Can Cushing's disease be cured after a failed surgery? Yes. Many patients come to Dr. Fernandez-Miranda after one or more failed surgeries at other institutions. In these cases, the tumor is typically located in the medial wall of the cavernous sinus — an area not explored during the initial operation. He has achieved remission in patients who were told their disease could not be cured surgically.
What happens if Cushing's disease is not cured? Persistent Cushing's disease continues to cause devastating effects on the body, including progressive weight gain, diabetes, osteoporosis, cardiovascular disease, immune suppression, and psychological effects. This is why achieving surgical cure is so important, and why expertise matters.
How quickly will I feel better after successful Cushing's surgery? After successful surgery, cortisol levels drop rapidly. Many patients notice improvements within days to weeks, though full recovery can take 6–12 months as the body readjusts to normal cortisol levels. Patients often describe the experience as life-changing.
How do I get a consultation for Cushing's disease? Contact Dr. Fernandez-Miranda through drjfm.com or Stanford Health Care. Please provide medical records, endocrine lab work (cortisol, ACTH, 24-hour urinary free cortisol), and MRI imaging. Your case will be evaluated within 24–48 hours. International patients are welcome.
CONTACT US FOR A CONSULTATION OR SECOND OPINION
We will do our best to contact you back within 24-48 hours
Please be ready to provide medical records and imaging studies
Your case will be carefully evaluated and will provide our recommendation and eligibility for surgical intervention