PMC5719667_01
A postoperative high-resolution computed tomography (HRCT) of the temporal bone shows that the vertical segment of the left sigmoid sinus (arrow) is abnormally forward- displaced
12901_2017_45_Fig1_HTML.jpg
PMC5719667_01_12901_2017_45_Fig1_HTML.jpg
Fig1
A postoperative high-resolution computed tomography (HRCT) of the temporal bone showed that the vertical segment of the left sigmoid sinus was abnormally anteriorly- displaced; dehiscent to the posterior wall of the external auditory canal (Fig. 1).
Pre and postoperative PTA (pure tone audiogram) of the patient that shows the decrease of air - bone gap to 22 db
12901_2017_45_Fig2_HTML.jpg
PMC5719667_01_12901_2017_45_Fig2_HTML.jpg
Fig2
A PTA was obtained 2 months after the surgery, and revealed that the conductive hearing loss gap improved to 22 dB (Fig. 2).