[Benign paroxysmal positional vertigo following radiotherapy for nasopharyngeal carcinoma (report of 3 cases)].
OBJECTIVE
To investigate the effect of ionizing radiation on the vestibule of the inner ear.


METHODS
Three patients with benign paroxysmal positional vertigo (BPPV) accompanied by hearing loss following radiotherapy for nasopharyngeal carcinoma (NPC) were reported. Particle repositioning maneuver (PRM) was used as treatment for BPPV, and salvia miltiorrhiza tablets were taken orally to treat hearing loss.


RESULTS
Two of three cases with BPPV recovered and one was effective; Mean phone frequency hearing increased 10 dB compared with that before therapy.


CONCLUSIONS
Occurrence of BPPV in this series may be related to radiation damage on the vestibule; PRM is a effective modality for the patients with BPPV.
Yang
X M
XM
Department of Otolaryngology, the Second Affiliated Hospital, Hunan Medical University, Changsha 410011.
Lu
Y D
YD
Xie
D H
DH
Shu
J B
JB
D000328:Adult; D005260:Female; D006311:Hearing Disorders / Q000188:drug therapy / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy*; D011187:Posture; D011832:Radiation Injuries / Q000209:etiology*; D011878:Radiotherapy / Q000009:adverse effects; D014717:Vertigo / Q000209:etiology* / Q000628:therapy