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KMID : 1024020220520030327
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Imaging Science in Dentistry
2022 Volume.52 No. 3 p.327 ~ p.332
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Mucocele in the maxillary sinus involving the orbit: A report of 2 cases
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Yeom Han-Gyeol
Lee Wan
Han Su-Il
Lee Jae-Hoon
Lee Byung-Do
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Abstract
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Mucocele of the paranasal sinuses is a benign, slow-growing, expansile lesion. Maxillary sinus mucoceles are usually associated with painless bulging of the cheek; however, orbital expansion is rarely observed. Maxillary sinus mucoceles can be classified as primary or secondary according to their etiology. An impediment to sinus ostium ventilation is thought to be the cause of primary mucocele, while sequestering of residual mucosa after surgery in the wound and long-term retention of tissue fluid have been suggested to lead to the formation of secondary mucocele. This report presents 2 cases of primary and secondary mucoceles, with a focus on radiographic features. As primary and superiorly positioned secondary maxillary sinus mucoceles are uncommon and their close proximity to the orbit predisposes the patient to significant morbidity, the authors expect that this report will contribute to a better understanding and diagnosis of maxillary sinus mucocele involving the orbit.
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KEYWORD
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Maxillary Sinus, Mucocele, Orbit
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