Introduction. Techniques in MRI–Negative Cushing disease

Magnetic resonance imaging (MRI)–negative Cushing disease is one of the most difficult and challenging surgical cases in both pituitary skull base surgery. Experience gained by a sequence success and, unfortunately, failure, which results hard-fought experience with these cases. There are variety established novel techniques that would benefit from high-quality video documentation, could help surgeons novices alike improve patient care for this population. In Neurosurgical Focus: Video edition, we present videos addressing exploration, cavernous sinus exploration medial wall removal, methods