FIGURE 120.6 Preauricular surface pit (Courtesy of David Tunkel, eds MD In: Chung EK, Atkinson-McEvoy LR, Lai NL, et al., eds Visual Diagnosis and Treatment in Pediatrics 3rd ed Philadelphia, PA: Wolters Kluwer Health; 2014 With permission.) Gliomas are benign growths composed of ectopic neural tissue derived from embryonic glial tissue Lesions usually consist of a firm, gray, or red-gray nodule, ranging in size from to cm and can be mistaken for a hemangioma Most are extranasal (60%), occurring on the bridge of the nose The remainders are either solely intranasal masses (30%) or have both intranasal and extranasal elements (10%) By definition, they not have intracranial communication and have no neoplastic potential They are composed of neural and fibrous tissue, covered by nasal mucosa There is a male predominance To prevent possible distortion of