Glial tissue may be found in the nasal region of infants or small children.


Clinical features:

(1) usually occurs in an infant or small child

(2) The patient presents with nasal obstruction or deformity.

(3) An intranasal polypoid mass that is non-pulsatile is seen at endoscopy.

(4) Glial or glioneuronal tissue is present on biopsy.


Differential diagnosis:

(1) "nasal glioma" (heterotopia of glial or glioneuronal tissue)

(2) frontal encephalocele (has a connection between the intranasal mass and intracranial contents Resection of a frontal encephalocele may be followed by a CSF leak if not done carefully.)


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