The investigation of choice for vestibular schwannoma is: (A) Contrast enhanced CT scan, (B) Gadolinium enhanced MRI, (C) SPECT, (D) PET scan
Answer is B. MRI with gadolinium contrast. It is superior to CT scan and is the gold standard for diagnosis of acoustic neuroma.Intracanalicular tumour, of even a few millimetres, can be easily diagnosed by this method.Dhingra 6e pg: 113