A Consideration of Papillary Squamous Cell Carcinoma of the Gingiva : A Case Study Involving the Immunohistochemistry of Proliferative Activity
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概要
- 論文の詳細を見る
Papillary squamous cell carcinoma (PSCC) is a rare variant of squamous cell carcinoma (SCC) having an exophytic papillary component. We report the case of a 60-year-old woman with oral PSCC of the gingiva. Histopathologically, the operative specimen was composed of exophytic papillary and invasive proliferations of atypical squamous epithelium, from which a pathological diagnosis of PSCC was made. On the Ki-67 labeling index, the exophytic area of PSCC (42.8%) was higher than the superficial area of SCC (20.7%) and papilloma (38.9%). The invasive area of PSCC (53.1%) was slightly higher than that of SCC (52.2%). The PSCC had high proliferative activity in both the exophytic and invasive areas, which reflected the PSCC characteristic features of papillary and invasive growths. Clinicians should check for the existence of PSCC in the oromaxillofacial region and provide treatment as they do for SCC.
著者
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Okada Hiroyuki
Department Of Cardiology Musashino Red Cross Hospital
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Yokoyama Megumi
Departments of Oral Pathology, Nihon University School of Dentistry at Matsudo
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Kaneda Takashi
Department Of Food Chemistry Faculty Of Agriculture Tohoku University:(present Office)koriyama Women
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HARA MASAHIRO
Department of Geriatrics, Endocrinology and Metabolism, Shinshu University School of Medicine
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Yokoyama Megumi
Department Of Toxicology School Of Veterinary Medicine Rakuno-gakuen University
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Akimoto Yoshiaki
Department Of Oral Surgery Nihon University Graduate School Of Dentistry At Matsudo
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Yamamoto Hirotsugu
Department of Optical Science and Technology, Faculty of Engineering, The University of Tokushima, 2-1, Minamijosanjima-cho, Tokushima 770-8506, Japan
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Kato Miya
Departments of Radiology, Nihon University School of Dentistry at Matsudo
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Sakayanagi Masashi
Departments of Radiology, Nihon University School of Dentistry at Matsudo
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Sakayanagi Masashi
Department of Radiology, Nihon University School of Dentistry at Matsudo
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Akimoto Yoshiaki
Department of Dento-Maxillofacial Surgery, Nihon University School of Dentistry at Matsudo
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