TABLE 1.

Patients with secondary HFS due to arachnoid cyst in the CPA

Authors & Year	Age (yrs)	Sex	Side	NVC	CN VIII Involvement	Treatment
Altinörs et al., 19916	33	M	Lt	No	No	Cyst excision
Mastronardi et al., 20097	42	F	Lt	No	No	Cyst excision & MVD
Higashi et al., 19928	25	M	Rt	PICA	Tinnitus	Cyst excision & MVD
Takano et al., 19989	59	F	Lt	AICA	Hearing loss	Cyst excision
Bonde et al., 200810	26	F	Rt	AICA	No	Cyst excision & MVD
Ruiz-Juretschke et al., 201511	71	F	Rt	AICA	No	Cyst excision & MVD
Ogawa et al., 201512	66	F	Rt	AICA	No	Cyst excision & MVD
Present case	40	M	Rt	No	No	Cyst excision

AICA = anterior inferior cerebellar artery; CN = cranial nerve; MVD = microvascular decompression; NVC = neurovascular conflict; PICA = posterior inferior cerebellar artery.