Juxtaoral Organ of Chievitz - A Case Report -
김현실, 김태승, 차인호, 김진학, 류미현, 김진,
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김현실 ( Kim Hyun-Sil )
연세대학교 치과대학 구강병리학교실
김태승 ( Kim Tai-Seung )
연세대학교 의과대학 병리학교실
차인호 ( Cha In-Ho )
연세대학교 치과대학 구강악안면외과학교실
김진학 ( Kim Jin-Hak )
연세대학교 치과대학 구강악안면외과학교실
류미현 ( Ryu Mi-Heon )
연세대학교 치과대학 구강병리학교실
김진 ( Kim Jin )
연세대학교 치과대학 구강병리학교실
KMID : 0357920050390040265
Abstract
The juxtaoral organ of Chievitz is an intramuscular embryonic structure of neuroepithelial origin, and is found near the insertion of the pterygomandibular raphae. The juxtaoral organ of Chievitz has no known function, however, its clinical implication and differential diagnosis should be considered. Here, we report a fibrous cord like mass in a 34-year-old woman that was incidentally found while her lower right third molar was extracted. Histologically, it showed epithelial cell nests with glandular or squamous differentiation, simulating odontogenic tumors or perineural invasion of carcinoma. However, they were positive for the S-100 protein, neuron specific enolase, the neural cell adhesion molecule, and nerve growth factor receptors by immunohistochemistry, supporting the theory that these cells are of neural origin. Awareness of the juxtaoral organ of Chievitz should be emphasized for the epithelial islands in this organ not to be misinterpreted as an invasive carcinoma, an odontogenic tumor, or perineural invasion by carcinoma.
키워드
Juxtaoral organ of Chievitz;perineural
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