Nasopharyngeal Hairy Polyp

**Semantic type:** Disease or Syndrome

**Definition:** A benign polypoid lesion that arises from the nasopharynx. It usually affects neonates and older infants. It manifests as a pedunculated mass associated with cough, dyspnea, vomiting, or difficulty in swallowing. It is composed of ectoderm and mesoderm.

**Synonyms:** - Nasopharyngeal Dermoid Polyp - Nasopharyngeal Teratoid Polyp