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KMID : 0363220090470080904
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Korean Journal of Dermatology
2009 Volume.47 No. 8 p.904 ~ p.910
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Clinicopathologic Observation of Odontogenic Sinus Tracts Draining to the Skin
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Suh Sung-Won
Kim Su-Han
Jung Do-Sang
Ko Hyun-Chang
Kim Moon-Bum
Kwak Sang-Won
Hur Bock
Kwon Kyung-Sool
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Abstract
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Background: An odontogenic sinus tract draining to the skin is the most common type of cutaneous fistula that occurs on the face. This lesion can be a diagnostic challenge to clinicians who are not familiar with cutaneous fistula since many patients with an odontogenic sinus tract draining to the skin do not have any symptom such as toothache.
Objective: Our purpose was to determine the characteristic features of an odontogenic sinus tract draining to the skin.
Methods: Eleven patients who presented with an odontogenic sinus tract draining to the skin at the Dermatologic Department of Pusan National University Hospital during the last ten years were enrolled in this study. We reviewed all the medical records of the patients.
Results: The mean age was 51.8 years. The male to female ratio was 1.2：1. Nine patients (82%) had lesions on their chins or the mandibular region. The most common tooth with endodontic infection was the lower first premolar tooth (36%), and the most common clinical feature was pyogenic granuloma-like solitary papule (64%). The panoramic view showed radiolucent periapical abscesses in all the patients. Skin biopsy showed chronic granulomatous inflammation, and fistular tracts were present in three patients. Only 1 of 11 patients (9%) had toothache, and two patients had prior therapies for prosthetic dentures or caries, respectively. Nine patients (82%) were treated ineffectively, and their first visit was to adermatologic clinic (91%) or an otolaryngologic clinic (9%). After the diagnosis of odontogenic sinus tract draining to the skin, eight patients (73%) were treated completely by root canal therapy or extraction of teeth.
Conclusion: In this study, most patients had no toothache or history of dental disease, and they were treated inappropriately, even in dermatologic clinics. The results of this study will help reduce the incidence of inappropriate management for odontogenic sinus tract draining to the skin at dermatologic departments.
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KEYWORD
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Cutaneous fistula, Endodontic infection, Odontogenic sinus tract
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