Odontogenic cutaneous fistula

Case contributed by Ammar Haouimi

Presentation

Purulent discharge from a left submandibular cutaneous nodule. The orthopantomogram is not available.

Patient Data

Age: 14 years
Gender: Female

Enhancing fistulous tract extending from the left submandibular region up to a periapical lucency of the root of 37 through a bony defect of the adjacent mandibular cortex. No associated abscess is seen.

Case Discussion

CT features of a fistulous communication, between a chronic dental infective focus and a cutaneous superficial septic focus most consistent with an odontogenic cutaneous fistula.

Odontogenic cutaneous fistulae are rare and occur when chronic dental infection is complicated by a fistulous tract reaching the skin, usually in the chin or cheek regions.

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