[Diagnosis and treatment of cystic acoustic neuroma].
OBJECTIVE
To study the clinical features and treatment of cystic acoustic neuroma.


METHODS
Twenty-two patients with cystic acoustic neuromas were diagnosed by CT and MRI preoperatively, and the tumors were resected by retrosigmoid approach, and verified by pathological studies.


RESULTS
Of the 22 patients, 18 had tumors totally resected (postoperative house Brackman facial nerve grading: grade II in 4 patients, III in 7, IV in 3, V in 2, VI in 2) and 4 had tumors subtotally resected.


CONCLUSIONS
Because of its specific clinical features and poor operative results, cystic acoustic neuroma should be regarded as a specific subtype.
Su
Wan-dong
WD
Department of Neurosurgery, Qilu Hospital, Shandong University, Ji'nan 250012, China.
Li
Xin-gang
XG
Liu
Ran
R
Jian
Wen-cheng
WC
Liu
Yu-guang
YG
Zhu
Shu-gan
SG
Du
Sheng-rong
SR
D000293:Adolescent; D000328:Adult; D000368:Aged; D003560:Cysts / Q000175:diagnosis / Q000601:surgery*; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D009464:Neuroma, Acoustic / Q000175:diagnosis / Q000601:surgery*; D014057:Tomography, X-Ray Computed