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ObjectiveTo probe the clinical characteristics of diagnosis and therapy of vascular pulsatile tinnitus（PT） associated with sigmoid sinus-mastoid. MethodsRetrospectively analyzed the clinical data of the hospitalized 45 PT patients of an ear surgeon in one hospital between January 2013 to January 2020, and observed the effectiveness with surgery and non-surgery therapy. Surgical procedures include reconstruction the bone wall of sigmoid sinus by transmastoid approach and ligation of mastoid emissary vein. Non-surgery therapy includes ant