ヒト口腔に見られた嚢胞上皮の走査並びに透過電子顕微鏡による形態学的研究

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Twenty-three cases of odontogenic cysts (10 radicular cysts, 10 follicular cysts and 3 calcifying odontogenic cysts) and 10 cases of non-odontogenic cysts (3 median mandibular cysts, 2 median maxillary cysts, 3 nasoalveolar cysts and 2 nasopalatal cysts) developing in the human maxillo-oral area were examined by scanning and transmission electron microscopes. I. Odontogenic cysts A. Radicular cysts The decrease of nuclei and organellae in superficial cytoplasms was remarkable and a number of vascular structures were observed. The superficial cell surface with unclear borderline was covered with microridge. B. Follicular cysts 1. Dentigerous cysts The superficial cytoplasm was cuboid and there were many mitochondrias and vascular structures in the cell without the nucleus. The superficial cell surface was arranged irregularly with hemisphere form cell, and the boundary was clear. 2. Primodial cysts The horney layer of epithelium showed flat and stratified form and the inside of cells was filled with tonofilament bundles. Superficial cytoplasm showed turtleback pattern and the surface was covered with network structure microridge. C. Calcifying odontogenic cysts The figure of ghost-cell observed by scanning electron microscope showed network structure with irregularly arranged filaments and by transmission electron microscope showed tonofilament bundles but no organellaes. The superficial surface was flat and covered with short microridge. II. Non-odontogenic cysts A. Median maxillary cysts The superficial cytoplasm showed high density and was flat, and the cells were connected like twigs. The superficial cell surface was rough and scale-like in appearance and was covered with granulated microridge. B. Median mandibular cysts The hemisphere cells were arranged like paving stones in the surface epithelial layer and the boundary form was leveelike. The cell surface was covered with microridge that showed network, pit and concave structures. C. Nasoalveolar cysts The superficial cytoplasm showed cylindrical form with its nucleus placed near the basal side and the organellae growth was good. The cell surface looked like cauliflower. D. Nasopalatal cysts The superficial cytoplasm showed cuboid or cylindrical form. Its nucleus was placed near the basement membrane, and the organellae growth was good. The surface appeared like paving stones or an arrangement of sticks. The surface of cells as covered with granular like or fold like microridges.
九州歯科学会の論文
1986-04-25

著者

橋本滋
福岡歯科大学口腔外科学第一講座

ヒト口腔に見られた嚢胞上皮の走査並びに透過電子顕微鏡による形態学的研究

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