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Final 3D rendered model. A, Oblique view, B, lateral view, C, postero-superior view and D, view through the previous surgical opening (which has left a bony defect) in the floor of the pituitary fossa. Blue arrows indicate location of normal pituitary gland, yellow arrows indicate location of adenoma and red arrows indicate location of carotid arteries. The green arrow indicates the trajectory of the surgical approach via the trans-nasal route
