Reviewer response for version 1
It is a well written case report and the discussion is precise. 
Main points for not approving this article are:
- Grading appears faulty as size of nidus, eloquence and drainage are suspicious on single images. 
more images might have been helpful. 
The AVM at best appears to be grade 3.
- As such, it would be a routine microsurgical excision of an AVM
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