CyberKnife radiosurgery for trigeminal neuralgia: unanticipated iatrogenic effect following successful treatment.

Abstract:

:This case report of 74-year-old man with trigeminal neuralgia is presented to underscore the importance of evaluating the entire treatment plan, especially when delivering large doses where even a low percentage of the prescription dose can contribute a substantial dose to an unintended target. The patient was treated using the CyberKnife stereotactic radiosurgery system utilizing a nonisocentric beam treatment plan with a 5-mm fixed collimator generating 111 beams to deliver 6000 cGy to the 79% isodose line with a maximum dose of 7594 cGy to the target. Two weeks after treatment the patient's trigeminal neuralgia symptoms resolved; however, the patient developed oral mucositis due to the treatment. This case report reviews the cause of mucositis and makes recommendations on how to prevent unintended targets from receiving treatment.

journal_name

J Neurosurg

journal_title

Journal of neurosurgery

authors

Peddada AV,Sceats DJ,White GA,Bulz G,Gibbs GL,Switzer B,Anderson S,Monroe AT

doi

10.3171/2011.6.JNS102129

subject

Has Abstract

pub_date

2011-11-01 00:00:00

pages

940-4

issue

5

eissn

0022-3085

issn

1933-0693

journal_volume

115

pub_type

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