Computed tomography of the parapharyngeal space.

The parapharyngeal space with its complex anatomy is of great clinical importance. Because of its location deep within the neck, this space is difficult to examine by ordinary methods but can be well demonstrated in the axial transverse plane by computed tomography (CT). This paper is primarily concerned with the normal anatomy of the parapharyngeal space as seen on CT but also includes examples of representative pathological conditions.