[Diagnosis and treatment of otogenic sigmoid sinus thrombophlebitis].

For the cases of sigmoid sinus bone wall destruction accompanied by headache and fever by HRCT, it is necessary to be alert to the occurrence of sigmoid sinus thrombophlegitis, early diagnosis and early surgery to prevent the progression of the disease. Radical mastoidectomy combined with anti-infection therapy is the main treatment, and anticoagulation is necessary to achieve a better prognosis.