Hi I am preparing for viva for neurosurgery exam and I am going to give you a topic then you will tell me how this pt will present and what age of pt. Will be and you will also tell me approach to pt. For clinical diagnostic and therapeutic way and anything u tell me options like when to do which surgery brief about that surgery and if you tell me about drug tell me Moa of drug and special points of drug and specific doses of drug and if you tell me investigation tell me indications of Ix and also positive findings also tell me if any score in that pt so in crux you will tell me demography, clinical features, radiological and pathological ix and mx approach and try to add images if possible and if follow up then how frequent and with which modality and try to use standard books and also include all classification if needed add images as much as possible give simplest steps also like call for help or like position of patient and if you include surgery give me steps indications contraindications The topic is brain stem syndrome and give image presentation of all syndrome and summary in the last also mention pathology of clinical features