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Conscious sedation for awake craniotomy in intra-operative magnetic resonance imaging operating theatre (IMRI OT) environment.

This technical report disrobes the first case in Intra-operative Magnatic Resonance Imaging operating theatre (iMRI OT) (BrainSuite), of Awake Craniotomy. The procedure was for frontal lobe glioma excision in 24 y. old man. He was scheduled to undergo eloquent cortex language mapping intra-operatively. He was motivated and was excited to see the operating theatre. He requested to take his photos while operated upon. The authors adapted conscious sedation technique with variable depth according to Ramsey's scale, in order to revert to awake state to perform the intended neurosurgical procedure. Patient tolerated the situation satisfactory and was cooperative till the finish without any event. We elicit in this report the special environment of iMRI OT for lengthy operation in pinned fixed patient having craniotomy. The text shows the special environment, its demands and its possible difficulties.