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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