Juvenile Nasopharyngeal Angiofibroma
Overview
Juvenile nasopharyngeal angiofibroma (JNA) is a benign vascular neoplasm of the nasal cavity and nasopharynx that classically presents in adolescent boys.
Pathophysiology
Relevant Anatomy
Disease Etiology
Genetics
Histology
Diagnosis
Patient History
Physical Examination
Laboratory Tests
Imaging
[Text about imaging choices]
There are several classifications for JNAs based on imaging findings.
| Stage | Description |
|---|---|
| I | Tumor confined to the nasopharynx |
| II | Tumor extension into the nasal cavity, sphenoid sinus, or both |
| III | Tumor extension into one or more of the following: antrum, ethmoid sinus, pterygomaxillary or infratemporal fossa, orbit, or cheek |
| IV | Intracranial extension |