岩手医科大学歯学部口腔病理学教室における病理組織検査の報告

― 1996年度の集計 ―

抄録

A statistical report was conducted in order to investigate the real condition of pathological examinations diagnosed in our department in 1996.

A total of 667 biopsy materials was discovered among 536 cases (M;241, F;295). As for the histological classifications of these biopsy materials, odontogenic benign lesions consisted of 3 ameloblastomas and 30 dontomas. The non-odontogenic benign lesions were 36 fibromas, 15 hemangiomas, 8 papillomas, 6 pleomorphic adenomas, 31 ipomas, 11 chronic and localized hyperplastic gingivitis (Epulis) and 20 Sjögren’s syndromes. Also found were 54 cases of non-odontogenic malignancy which consisted of 48 squamous cell carcinomas, 1 verrucous carcinoma, 2 adenocarcinomas and 30 thers. Among the histologic types of odontogenic cyst, 43 radicular cysts, 14 primordial cysts and 14 dentigerous cysts were revealed. And the following types of non-odontogenic cyst were discovered: 24 mucoceles, 30 post-operative maxillary cysts and 4 incisive canal cysts. In addition, 20 hyperkeratosis (leukoplakias), 4 epithelial dysplasias and 51 chronic inflammatory (granulation) tissues were found.