当科における最近11年間の良性腫瘍に関する臨床統計的観察
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概要
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We made a clinico-statistical observation of 100 cases of benign tumor patients who had been examined during the 11 years from April, 1978 to December, 1988 at the Department of Dentistry and Oral Surgery, Nagoya National Hospital.<BR>1) The ratio of odontogenic tumors to non-odontogenic tumors to salivary gland tumors was 1: 10. 3: 1. 3, indicating that the majority were non-odontogenic tumors. The ratio of male to female was 1: 1. 8, indicating female was higher than male.<BR>2) By histological classification there were 5 cases of ameloblastoma, 2 of cementoma and 1 of odontogenic myxoma in odontogenic tumors, 52 of fibroma, 14 of hemangioma, 6 of papilloma, 6 of lymphagioma and 4 of steatoma in non-odontogenic tumors, and 10 of plemorphia adenoma in salivary gland tumors.<BR>3) By the presumptive age group at the primary manifestation, the majority were in the 30 s and 40 s, and the average age was 35. 9 years. In odontogenic tumors there were patients in the teens and the 30 s, and the average age was 29. 8 years. In non-odontogenic tumors there were more patients in the 30 s and 50 s, and the average age was 38. 7 years. In salivary gland tumors there were more patients in the teens and 40 s the average age being 39. 3 years.<BR>4) By the age group at the primary examination there were more patients in the 60 s, 50 s, and 30 s, the average age being 39. 8 years. In odontogenic tumors, the majority were in the 30 s and the average age was 37. 8 years. In non-odontogenic tumors, there were more patients in the 60 s, 50 s, and 30 s, the average age being 42. 5 years. In salivary gland tumors, the majority were in the 40 s, the average age being 43. 1 years.<BR>5) The affected period ranged from 1 month to 3 months in most cases. The affected period was from 1 year to 3 years in non-odontogenic tumors, and it was from 1-3 months in the majority of salivary gland tumors.<BR>6) Chief complaints were swelling and oncogenesis, accounting for 85 cases (84.2%), followed by 7 cases (6.9%) of incongruity feeling and 6 cases (5.9%) of pain in this order.<BR>7) By manifestation site the tongue was most frequently was affected accounting for 26.0%, followed by gum in 18.0%, palate in 14.0%, and lips in 14.0%. With regard to the odontogenic tumors, they appeared only in the maxilla and the mandible. The salivary gland tumors mostly appeared in the palate and parotid gland regions.<BR>8) By dimensions, 33 cases were from 5 to less than 10mm (33.0%), followed by 28 cases from 10 to less than 20mm (28.0%) and 16 cases from 20 to less than 40mm (16.0%).<BR>9) For therapy all were treated by excision or extraction except in 2 adamantinoma cases in which excision of the maxillary bone was conducted.
著者
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山田 博基
国立名古屋病院歯科口腔外科
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玉城 廣保
国立名古屋病院歯科・口腔外科
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藤本 和久
国立名古屋病院歯科・口腔外科
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山家 誠
国立名古屋病院歯科・口腔外科
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山田 博基
国立名古屋病院歯科・口腔外科
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