이하선에 발생한 안면신경 신경초종의 치험례
Facial Nerve Schwannoma in Parotid Gland
최세경, 최종명, 김현실, 김형준, 차인호, 남웅,
소속 상세정보
최세경 ( Choi Se-Kyung ) - 연세대학교 치과대학병원 구강악안면외과
최종명 ( Choi Jong-Myung ) - 연세대학교 치과대학병원 구강악안면외과
김현실 ( Kim Hyun-Sil ) - 연세대학교 치과대학병원 구강종양연구소
김형준 ( Kim Hyung-Jun ) - 연세대학교 치과대학병원 구강악안면외과
차인호 ( Cha In-Ho ) - 연세대학교 치과대학병원 구강악안면외과
남웅 ( Nam Woong ) - 연세대학교 치과대학병원 구강악안면외과
KMID : 0360120100320010068
Abstract
Facial nerve schwannomas (FNSs) are usually painless, slow-growing, and without specific symptoms, so that early diagnosis may be difficult. They are particularly liable to being misdiagnosed as parotid gland origin benign tumor before surgery, which can lead to unnecessary parotidectomy or unexpected facial nerve injury. To prevent these complications, it is important that the correct diagnosis is performed at least in intraoperative time. When an adhesion between the mass and the facial nerve is exist or when electrical stimulation of the mass triggers facial movement, FNS is highly suggested diagnosis. In such cases, frozen section analysis should always be performed. In this case, the pre-operative diagnosis from clinical examination and MRI was pleomorphic adenoma. However, intraoperative features led us to suspect that the mass originated from facial nerves, and intraoperative frozen section analysis yielded results consistent with a schwannoma. Based on this intraoperative diagnosis, we carried out a successful conservative treatment with preservation of facial nerve.
키워드
Schwannoma;Facial nerve;Parotid gland
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