?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Injection+of+botulinum+toxin+type+A+(BOTOX)+into+trigger+zone+of+trigeminal+neuralgia+as+a+means+to+control+pain&rft.creator=Ngeow%2C+Dr.+W.C.&rft.creator=Nair%2C+R.&rft.subject=JOURNALS&rft.subject=Online+Journal+of+Health+and+Allied+Sciences&rft.description=This+article+illustrates+a+case+of+persistent+trigeminal+neuralgia+in+a+medically+compromised+65-year-old+female+who+did+not+respond+to+pharmacotherapy.+She+had+undergone+several+peripheral+neurectomies+as+well+as+a+failed+right+posterior+fossa+exploration+that+resulted+in+a+cerebrospinal+fluid+leak.+Persistent+pain+over+the+right+external+nasal+area+and+right+mental+region+was+relieved+for+several+hours+after+daily+injections+of+bupivacaine.+A+trial+of+a+single+dose+of+100+units+of+botulinum+toxin+type+A+(BOTOX)+diluted+in+2.5+mL+saline+was+injected+into+the+external+nasal+trigger+zone+(60+units)+and+to+the+mental+nerve+region+(40+units).+She+achieved+complete+pain+relief+in+the+external+nasal+region+for+5+months.+Pain+recurred+and+the+site+was+again+injected+with+100+units+of+botulinum+toxin+type+A+(BOTOX).+Pain+relief+at+the+mental+region+was+partial.+This+was+finally+controlled+with+peripheral+neurectomy.+The+patient+was+pain+free+with+a+maintenance+dose+of+200+mg+carbamazepine+daily+for+about+1+year%2C+after+which+she+elected+to+undergo+stereotactic+gamma+knife+radiosurgery+when+pain+recurred+at+the+external+nasal+region.+(Oral+Surg+Oral+Med+Oral+Pathol+Oral+Radiol+Endod+2010%3B+109%3A+e47-e50)&rft.publisher=MOSBY-ELSEVIER%2C+360+PARK+AVENUE+SOUTH%2C+NEW+YORK%2C+NY+10010-1710+USA&rft.date=2010-03&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F8190%2F1%2FInjection%2520of%2520botulinum%2520toxin%2520type%2520A%2520%2528BOTOX%2529%2520into%2520trigger%2520zone%2520of%2520trigeminal%2520neuralgia%2520as%2520a%2520means%2520to%2520control%2520pain.pdf&rft.identifier=++Ngeow%2C+Dr.+W.C.+and+Nair%2C+R.++(2010)+Injection+of+botulinum+toxin+type+A+(BOTOX)+into+trigger+zone+of+trigeminal+neuralgia+as+a+means+to+control+pain.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F8190%2F