Nasal glioma

Nasal Glioma

Nasal glioma (pronunciation: /ˈneɪzəl ˈɡliːəʊmə/) is a rare, benign, congenital tumor that originates from the neural crest cells. Despite its name, it is not a true glioma, but rather a heterotopia representing a congenital malformation.

Etymology

The term "nasal glioma" is derived from the Latin "nasus" meaning nose, and the Greek "glia" meaning glue. The term "glioma" was originally used to describe any tumor arising from the glue-like supportive tissue of the brain, known as the glial cells. However, in the case of nasal gliomas, the term is a misnomer as these tumors do not originate from glial cells.

Clinical Presentation

Nasal gliomas often present in infancy or early childhood with symptoms such as nasal obstruction, rhinorrhea, and sometimes a visible mass. They can be located intranasally, extranasally, or both, and are non-invasive but can cause deformity or displacement of adjacent structures.

Diagnosis

Diagnosis of nasal gliomas is often made through a combination of clinical examination, imaging studies such as MRI or CT scan, and histopathological examination. The presence of glial cells in a nasal mass is diagnostic.

Treatment

Treatment of nasal gliomas typically involves surgical removal. Despite their benign nature, they can cause significant morbidity if left untreated due to their location and potential to cause obstruction or deformity.

Related Terms

• Heterotopia
• Neural crest
• Tumor
• Glioma
• Glial cells
• Rhinorrhea
• MRI
• CT scan

External links

• Medical encyclopedia article on Nasal glioma
• Wikipedia's article - Nasal glioma

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