Otic vesicle An epithelial sac behind the fifth rhombomere forming the semicircular canals dorsally and the otolith organs ventrally.

耳小囊形规管背面与耳石器官腹面且在第五后脑节状结构后面一个上皮囊。

Singular neurectomy (posterior ampullary nere transsection) and posterior semicircular canal occlusion are the 2 specific techniques used in intractable BPP surgery.

单纯神经除术（后壶腹神经）和后规管闭塞术是应用难治性良性阵发性位置性眩晕两种手术治疗技术。

Conclusion: The therapy effect of PRM was superior to postural striction, and all patients should be treated by PRM when the diagnosis of posterior semicircular canal BPPV was uncle.

PRM治疗效果明显优体位限制治疗，凡后规管BPPV诊断明确者均应给予PRM治疗。

Otic vesicle An epithelial sac behind the fifth rhombomere forming the semicircular canals dorsally and the otolith organs ventrally.

耳小囊形成于半规管背面与耳石器官腹面且在第五后脑特殊节状结构后面的一个上皮囊。

Singular neurectomy (posterior ampullary nere transsection) and posterior semicircular canal occlusion are the 2 specific techniques used in intractable BPP surgery.

单纯神经除术（后壶腹神经）和后半规管闭塞术是应用于难治性良性阵发性置性眩晕的两种特殊的手术治疗技术。

Conclusion: The therapy effect of PRM was superior to postural striction, and all patients should be treated by PRM when the diagnosis of posterior semicircular canal BPPV was uncle.

PRM治疗效果明显优于体治疗，凡后半规管BPPV诊断明确者均应给予PRM治疗。

Otic vesicle An epithelial sac behind the fifth rhombomere forming the semicircular canals dorsally and the otolith organs ventrally.

耳小囊形成于半规管背面与耳石器官腹面且在第五后脑特殊节状结构后面的一囊。

Singular neurectomy (posterior ampullary nere transsection) and posterior semicircular canal occlusion are the 2 specific techniques used in intractable BPP surgery.

单纯除术（后壶腹）后半规管闭塞术是应用于难治性良性阵发性位置性眩晕的两种特殊的手术治疗技术。

Conclusion: The therapy effect of PRM was superior to postural striction, and all patients should be treated by PRM when the diagnosis of posterior semicircular canal BPPV was uncle.

PRM治疗效果明显优于体位限制治疗，凡后半规管BPPV诊断明确者均应给予PRM治疗。

Otic vesicle An epithelial sac behind the fifth rhombomere forming the semicircular canals dorsally and the otolith organs ventrally.

小囊形成于半背面与石器官腹面且在第五后脑特殊节状结构后面的一个上皮囊。

Singular neurectomy (posterior ampullary nere transsection) and posterior semicircular canal occlusion are the 2 specific techniques used in intractable BPP surgery.

单纯神经除术（后壶腹神经）和后半闭塞术是应用于难治性良性阵发性位置性眩晕的两种特殊的手术治疗技术。

Conclusion: The therapy effect of PRM was superior to postural striction, and all patients should be treated by PRM when the diagnosis of posterior semicircular canal BPPV was uncle.

PRM治疗效果明显优于体位限制治疗，凡后半BPPV断明确者均应给予PRM治疗。

Otic vesicle An epithelial sac behind the fifth rhombomere forming the semicircular canals dorsally and the otolith organs ventrally.

小囊形成于背面与石器官腹面且在第五后脑特殊节状结构后面一个上皮囊。

Singular neurectomy (posterior ampullary nere transsection) and posterior semicircular canal occlusion are the 2 specific techniques used in intractable BPP surgery.

单纯神经除术（后壶腹神经）和后闭塞术是应用于难治性良性阵发性位置性眩晕两种特殊手术治疗技术。

Conclusion: The therapy effect of PRM was superior to postural striction, and all patients should be treated by PRM when the diagnosis of posterior semicircular canal BPPV was uncle.

PRM治疗效果明显优于体位限制治疗，凡后BPPV诊断明确者均应给予PRM治疗。

Otic vesicle An epithelial sac behind the fifth rhombomere forming the semicircular canals dorsally and the otolith organs ventrally.

耳小形成于半规管背面与耳石器官面且在第五后脑特殊节状结构后面的一个。

Singular neurectomy (posterior ampullary nere transsection) and posterior semicircular canal occlusion are the 2 specific techniques used in intractable BPP surgery.

单纯除术（后壶）和后半规管闭塞术是应用于难治性良性阵发性位置性眩晕的两种特殊的手术治疗技术。

Conclusion: The therapy effect of PRM was superior to postural striction, and all patients should be treated by PRM when the diagnosis of posterior semicircular canal BPPV was uncle.

PRM治疗效果明显优于体位限制治疗，凡后半规管BPPV诊断明确者均应给予PRM治疗。

Otic vesicle An epithelial sac behind the fifth rhombomere forming the semicircular canals dorsally and the otolith organs ventrally.

耳小囊形成于半规管背与耳石器官腹第五后脑特殊节状结构后的一个上皮囊。

Singular neurectomy (posterior ampullary nere transsection) and posterior semicircular canal occlusion are the 2 specific techniques used in intractable BPP surgery.

单纯神经除术（后壶腹神经）和后半规管闭塞术是应用于难治发位置眩晕的两种特殊的手术治疗技术。

Conclusion: The therapy effect of PRM was superior to postural striction, and all patients should be treated by PRM when the diagnosis of posterior semicircular canal BPPV was uncle.

PRM治疗效果明显优于体位限制治疗，凡后半规管BPPV诊断明确者均应给予PRM治疗。

Otic vesicle An epithelial sac behind the fifth rhombomere forming the semicircular canals dorsally and the otolith organs ventrally.

小囊形成于半背面与石器官腹面且在第五后脑特殊节状结构后面的一个上皮囊。

Singular neurectomy (posterior ampullary nere transsection) and posterior semicircular canal occlusion are the 2 specific techniques used in intractable BPP surgery.

单纯神经除术（后壶腹神经）和后半闭塞术是应用于难治性良性阵发性位置性眩晕的两种特殊的手术治疗技术。

Conclusion: The therapy effect of PRM was superior to postural striction, and all patients should be treated by PRM when the diagnosis of posterior semicircular canal BPPV was uncle.

PRM治疗效果明显优于体位限制治疗，凡后半BPPV断明确者均应给予PRM治疗。

Otic vesicle An epithelial sac behind the fifth rhombomere forming the semicircular canals dorsally and the otolith organs ventrally.

耳小囊形成于半规管背面与耳石器官腹面且在第五后脑特殊节状结构后面的一个上皮囊。

Singular neurectomy (posterior ampullary nere transsection) and posterior semicircular canal occlusion are the 2 specific techniques used in intractable BPP surgery.

单纯神经除术（后壶腹神经）和后半规管闭塞术是应用于难治性良性阵发性置性眩晕的两种特殊的手术治疗技术。

Conclusion: The therapy effect of PRM was superior to postural striction, and all patients should be treated by PRM when the diagnosis of posterior semicircular canal BPPV was uncle.

PRM治疗效果明显优于制治疗，凡后半规管BPPV诊断明确者均应给予PRM治疗。