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October 1960

Sinus Tract of Dental Origin Simulating Epithelioma

Arch Dermatol. 1960;82(4):638-639. doi:10.1001/archderm.1960.01580040156029

This entity has been reported in dental, dermatological, and surgical literature on many occasions, but in this instance the sinus appeared 30 years after total tooth extraction. Customarily, dental sinus tracts develop following chronic inflammation about a tooth. There is exudation and burrowing that eventually forms a tract which may rupture through the gum, palatal mucosa, or cheek in the case of upper teeth; or the chin in the case of lower teeth. As a rule, because of gravity, the chin is the cutaneous terminus of the fistula.

Anderson1 and Hertzler reported cases of similar lesions simulating granuloma pyogenicum. Duckworth2 described three cases under the title "Median Mental Sinus." Montgomery3 reported cases that simulated carcinoma. Shelton,4 Lyell,5 and Jillson and Preston6 reported in their cases that the chin was the location of the granulomatous orifice of the sinus. Whittle7 reported a case with a

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