Transbuccal Space Deep Parotid Biopsy

Axial CT scan during contrast administration (A) shows a low-attenuation mass (m) in the deep parotid space, and enhancing carotid sheath vasculature (arrows). A 19-gauge needle was placed through the buccal space with its tip at the anterior aspect of the mass (B). Multiple fine-needle aspirations were then performed by passing 22-gauge needles through the 19-gauge needle into the mass. An on-site pathologist made the diagnosis of pleomorphic adenoma, which was confirmed at surgery 6 months later