How to manage Cushing's disease after failed primary pituitary surgery

Area of Science:

• Endocrinology
• Neurosurgery
• Oncology

Background:

• Cushing's disease, a rare endocrine disorder, results from excessive cortisol production.
• Transsphenoidal adenomectomy is the standard first-line surgical treatment for pituitary tumors causing Cushing's disease.
• Treatment failure necessitates evaluation of alternative therapeutic strategies.

Purpose of the Study:

• To review and discuss second-line treatment options for Cushing's disease following unsuccessful primary pituitary surgery.
• To highlight the expanded role and types of medical therapies available.
• To outline indications for bilateral adrenalectomy.

Main Methods:

• Literature review of treatment modalities for Cushing's disease.
• Analysis of second-line treatment efficacy and indications.
• Focus on options after failed transsphenoidal adenomectomy.

Main Results:

• Second-line options include repeat surgery, medical therapy, and radiation.
• Medical therapies encompass pituitary-targeting drugs, steroid synthesis inhibitors, and glucocorticoid receptor antagonists.
• Bilateral adrenalectomy is reserved for refractory cases or when rapid cortisol normalization is critical.

Conclusions:

• A stepwise approach is crucial for managing Cushing's disease.
• Medical therapy plays an increasingly significant role in managing persistent or recurrent disease.
• Treatment selection depends on disease severity, patient factors, and treatment response.