Nasopharyngeal Salivary Gland Anlage Tumor

**Semantic type:** Disease or Syndrome

**Definition:** A rare midline nasopharyngeal lesion that affects infants. It presents with respiratory distress due to nasal airway obstruction. It is a biphasic lesion characterized by the presence of epithelial and myoepithelial components. The histological features suggest that this lesion may be a hamartoma, rather than a neoplasm.

**Synonyms:** - Congenital Salivary Gland Anlage Tumor - Nasopharyngeal Congenital Pleomorphic Adenoma - SGAT - Salivary Gland Anlage Tumor