Effect of mastoid bone pneumatization on the conformation and depth of the sinus tympani, a high-resolution computed tomography study

ConclusionA well-pneumatized mastoid is highly associated with a deep and posteriorly positioned ST with respect to the facial nerve. The preoperative HRCT scans of patients with cholesteatoma should be carefully evaluated to determine the conformation and depth of the ST.
Source: Surgical and Radiologic Anatomy - Category: Anatomy Source Type: research