A case of dermoid cyst at the site of an alveolar bone graft

IZUMI Naoya, KOBAYASHI Tadaharu, TAKATA Yoshiyuki, ODA Youhei, NIIMI Kanae, SAITO Chikara

doi:10.5794/jjoms.55.567

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Other Title

顎裂骨移植後に発生した類皮嚢胞の1例
顎裂骨移植後に発生した類皮嚢胸の1例
ガクレツコツイショクゴニハッセイシタルイヒノウキョウノ 1レイ

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Description

Dermoid cyst is a developmental cyst arising from displaced epithelium. It usually appears in soft tissue and is extremely rare in bone. This report describes a case of dermoid cyst that secondarily arose at the site of an alveolar bone graft in a patient with cleft lip and palate. Alveolar bone grafting was performed at the age of 9 years, and then orthodontic treatment was done at the clinic of an orthodontist. At 22 years of age the patient visited the orthodontist because malalignment of the dental arch had recurred. Radiographic examination revealed a radiolucent area in the alveolar cleft, and the patient was referred to us for alveolar bone grafting. The cyst was surgically removed, and alveolar bone grafting was carried out at the same time. Histologically, the cyst consisted of squamous epithelium and adnexal skin structures, sebaceous glands, and hair follicles. To our knowledge, this is the first reported case of dermoid cyst secondarily arising within the site of a bone graft in a patient of dermoid with cleft lip and palate. We briefly discuss the possible pathogenesis.

Journal

Japanese Journal of Oral and Maxillofacial Surgery

Japanese Journal of Oral and Maxillofacial Surgery 55 (11), 567-570, 2009

Japanese Society of Oral and Maxillofacial Surgeons

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