대한구강악안면방사선학회

Korean Academy of Oral and Maxillofacial Radiology

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법랑아세포종에 관한 방사선학적 연구 -특히 함치성낭종과의 감별을 위한-
저자 : 신종섭, 유동수
1982년|12권 1호|Page : 27-33|조회수 453
Full Text : 1982_27.pdf (515.9K)
TI : Radiographic study of ameloblastoma

 AU : Shin JS; You DS
 AD : Dept. of Oral Radiology, College of Dentistry, Seoul National University
 SO : JKAMFR. 1982;12(1):27-33
 ISSN : 1225-049X
 LA : KOREAN
 CP : KOREA

 AB : The purpose of this study is to obtain some informations for the differential diagnosis of ameloblastoma from dentigerous cyst by analysis of the radiographic findings of these lesions. The author studied age and sex distribution, the site of the lesion, tooth behavior and several radiographic features of ameloblastoma and dentigerous cyst. The material consisted of 65 patients of ameloblastoma and 37 patients of dentigerous cyst. The results were obtained as followings.
 1) The incidence was highest in 2nd decade (29.2%) and total 65 cases consists of 35 males (53.8%) and 30 females (46.2%) in ameloblastoma. 62 cases were found in lower jaw (95.4%) and the highest site of occurrence of ameloblastoma was mandibular molar region 27 cases.(41.5%)
 2) In 65 cases of ameloblastoma, 18 cases were seen in association with tooth and 15 cases (83.2%) out of those were associated with mandibular molar teeth. Mandibular molar were most frequently involved in dentigerous cyst (11/37 cases, 29.7%).
 3) (a) 23 cases (35.3%) of tooth resorption were found in ameloblastoma and 11 cases (29.7%) of tooth resorption were found in dentigerous cyst.
 (b) 15 cases (23.1%) of tooth migration were found in ameloblastoma and 10 cases (27.0%) of tooth migration were found in dentigerous cyst.
 4) Several radiographic features.
 (a) Monolocular type ameloblastoma were seen in 23 cases (35.4) and multilocular type of ameloblastoma were seen in 42 cases (64.6%). Monolocular type of dentigerous cyst were seen in 33 cases (89.2%) and multilocular type was seen in 4 cases.
 (b) Monolocular type ameloblastoma showed 20 cases (87.0%) of scalloped border but 32 cases (97.0%) of dentigerous cyst showed smooth border.
 (c) 34 cases (81.0%) of ameloblastoma showed honey-comb appearance, soap-bubble appearance or mixed appearance. But all 4 cases of dentigerous cyst showed multicystic appearance.
 (d) 12 cases (52.2%) of monolocular type ameloblastoma showed slightly increased radiopacity in surrounding bone, and 22 cases (66.7%) of monolocular type dentigerous cyst showed sharp osteosclerotic border. 27 cases (64.3%) of multilocular type ameloblastoma and 3 cases (75.0%) of multilocular type dentigerous cyst showed no changes in surrounding bone.

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