下顎骨内に発生した類表皮嚢胞の1例

概要

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Dermoid and epidermoid cysts are congenital cysts caused by the impaction of embryonal ectoderm, or are acquired cysts caused by inflammatic and traumatic implantation of the epithelium.<BR>Epidermoid cysts are known to occur usually within the oral cavity, and rarely in the jaw bone. The cyst is lined by a comparatively thick even layer of hyperkeratinizing stratified squamous epithelium and its cavity is filled with keratin, but without skin appendages.<BR>The authors have recently experienced one case of epidermoid cyst in the right mandibular molar region of a 32 year old female, and reported the outline of this case with some comments based on the literature of Japan.<BR>This lesion was pathologicallly diagnosed as epidermoid cyst. In the treatment, the cyst was surgically enucleated under general anesthesia with Enflurane Dec. 24, 1986. The patient has shown recuperation after six months following surgery and we will continue to make careful observation of the patient's prognosis.