Abbreviations

• Parapharyngeal space (PPS)

Synonyms

• Some authors define PPS more broadly, separating it into prestyloid and poststyloid components
• In this text, PPS preferred over prestyloid PPS and carotid space (CS) over poststyloid PPS

Definitions

• PPS: Central, fat-filled space in lateral suprahyoid neck (SHN) around which most of important spaces are located
  • These surrounding important spaces are pharyngeal mucosal space (PMS), masticator space (MS), parotid space (PS), and CS

Overview

Extent

Anatomy Relationships

Internal Contents

Fascial of Parapharyngeal Space

Questions

Imaging Recommendations

Imaging Pitfalls

Clinical Importance