Dermoid cysts situated on the bridge of the nose are relatively rare, and while seen occasionally by otolaryngologists they have not been brought to the attention of dermatologists.
This type of cyst belongs to the group of tumors found about the nose which, according to Luongo,1 result from the trapping of a portion of the dermis by intrusion of the frontonasal plate between the embryonic nasal dermis and mucosa. The bridge of the nose, exactly in the midline, is a common location.
Most of these growths are discovered before the fifth year of age. Secondary infection is common and is followed by sinus formation, with discharge of sebaceous material and pus. Occasionally, as with the patient
COSTELLO MJ, LOVEBURY WF, DALY JF. CONGENITAL DERMOID INCLUSION CYST: Report of a Case. Arch Derm Syphilol. 1949;60(6):1209–1211. doi:10.1001/archderm.1949.01530070149018
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