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ABSTRACT
Purpose
To report the clinical characteristics and intraoperative findings of periorbital and orbital dermoid cysts and their relationship to location and rupture.
Methods
Retrospective review of 270 cases with orbital or periorbital dermoid cysts that presented over a period of 11 years. Patients were included if diagnosis of dermoid cyst was made by histopathologic analysis. Clinical characteristics and operative outcomes were recorded and analyzed with Chi-squared analyses or univariate regression. Multivariate binary logistic regression was performed to assess predictors of location and rupture.
Results
Dermoids frequently occurred unilaterally and were more frequently described as mobile (61.5%), followed by fixed (30.8%), and partially fixed (7.7%). Dermoid rigidity was most commonly described as firm (75.5%), followed by cystic, soft, and rubbery. The most common dermoid location was superotemporal (60.4%). On Chi-squared analysis, superotemporal lesions were less likely to have orbital extension than non-superotemporal lesions (OR 0.28, 95% CI: 0.11–0.70, p = .01), less likely to undergo CT (OR 0.16, 95% CI: 0.06–0.41, p < .01) or MRI (OR 0.23, 95% CI: 0.13–0.41, p < .01), more likely to be described as mobile (OR 2.91, 95% CI: 1.32–6.43, p = .01), and less likely to rupture intraoperatively (OR 0.28, 95% CI: 0.11–0.73, p = .01). No variables were associated with rupture in multivariate analysis.
Conclusion
Superotemporal dermoid cysts are common in the pediatric population, less likely to have orbital extension, undergo imaging, and have intraoperative rupture when compared to other locations in the orbit.
Acknowledgments
This study was exempt from institutional review board approval as patients were deidentified throughout the chart review. All authors have viewed and agreed to the submission.
Disclosure statement
The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the article.
Supplementary material
Supplemental data for this article can be accessed on the publisher’s website