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KMID : 0360120100320050431
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Journal of the Korean Society of Maxillofacial Plastic Reconstructive Surgeons
2010 Volume.32 No. 5 p.431 ~ p.436
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Clinical and Radiographic Evaluation of Recurrent Odontogenic Keratocysts
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Jo Hyung-Woo
Choi So-Young
Kim Hyun-Soo
Kwon Tae-Geon
Jang Hyun-Jung
Lee Sang-Han
Kim Chin-Soo
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Abstract
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Purpose:It is estimated that the odontogenic keratocyst (OKC) makes up 10% to 12% of all developmental odontogenic cysts. The lesion has been of particular interest because of its specific histopathologic feature, high recurrence rate, and aggressive behavior.
Methods:We investigated 266 OKCs of Korean patients for the sex of patient, the age of the patient, the location of OKC, the recurrence rate related to radiographic impression.
Results:The male-to-female ratio was 1.47:1, showing a slight male predilection. Odontogenic keratocysts had a peak of occurrence in the third decade of life. The mandibular angle and ascending ramus area (49.6%) is the most frequent site of OKCs in the jaws. Fourteen cases of unilocular (12%) and 5 cases of multilocular (20%) OKCs recurred. Thirteen cases of smooth (12.9%) and 6 cases of lobulated (14.6%) OKCs recurred. Seventeen cases of OKCs without perforation of cortical bone (12.5%) and 2 cases of OKCs with perforation of cortical bone (33.3%) recurred. Fifteen people of patients with single lesion (12.2%) and 4 people of patients with multiple lesions (66.7%) recurred.
Conclusions:In this result, we consider multiple odontogenic keratocysts can recur more easily. So we have to treat them more carefully and need long-time follow-ups.
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KEYWORD
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Odontogenic keratocyst, High recurrence rate
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