Frontal Sinus Polyp

**Semantic type:** Disease or Syndrome

**Definition:** A polyp that arises from the frontal sinus mucosa. It is characterized by the presence of edematous tissue infiltrated by inflammatory cells, including eosinophils. Causes include allergic rhinitis, chronic sinusitis, and cystic fibrosis.

**Synonyms:** - Polyp of Frontal Sinus - Polyp of the Frontal Sinus