Imaging in Otolaryngology

Pharyngeal Mucosal Space Overview

Summary Thoughts: Pharyngeal Mucosal Space Clinically, the upper aerodigestive track is often divided into the naso-, oro-, and hypopharyngeal subsites. Each of these subsites is unified, however, with mucosa that is subject to shared pathology. The pharyngeal mucosal space (PMS)…

Parapharyngeal Space Benign Mixed Tumor

KEY FACTS Terminology Parapharyngeal space benign mixed tumor (PPS-BMT): BMT is primarily in PPS, not extension of deep lobe parotid BMT into PPS Imaging Rounded, well-defined ovoid lesion within PPS fat Distinct from parotid deep lobe CECT findings Heterogeneous, moderately…

Parapharyngeal Space Overview

Summary Thoughts: Parapharyngeal Space The 4 key spaces of the suprahyoid neck (SHN) surround the parapharyngeal space (PPS), which is the fat-filled lateral SHN space. When large lesions of the SHN become hard to localize to a space of origin,…

Suprahyoid and Infrahyoid Neck Overview

Imaging Approaches & Indications Neither CT nor MR is a perfect modality for imaging the extracranial H&N. MR is most useful in the suprahyoid neck (SHN) because it is less affected by oral cavity dental amalgam artifact. The SHN tissue…

Introduction to Imaging

Introduction Rapid advancement of medical imaging in the last few decades has significantly enhanced the role of imaging in medicine. Imaging plays an integral role in the evaluation of many of the diseases confronted by the otolaryngologist. It is performed…