Japanese Journal of Oral and Maxillofacial Surgery
Online ISSN : 2186-1579
Print ISSN : 0021-5163
ISSN-L : 0021-5163
Clinico-statistic studies about mucous cyst of salivary gland these 11 years at department of dentistry and oral surgery, Nagoya National Hospital
Kazuhisa FUJIMOTOHiroki YAMADAHiroyasu TAMAKI
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1990 Volume 36 Issue 10 Pages 2258-2265

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Abstract

We present here some views obtained through clinical research and pathologic histological research on 84 cases diagnosed as mucocele at the department of dentistry and oral surgery, Nagoya National Hospital during 10 years and 9 months from April, 1978 to December, 1988.
The mucocele we investigated were 63 cases of the mucocele which was derived from the minor salivary gland, 16 ranula cases, and 5 cases of Blandin-Nuhn gland cyst (total 84 cases).
With regard to the manifestation frequency by age group, the mucocele derived from the minor salivary gland occurred numerously in those under 30 years old, and it occurred particularly numerously in those from 0 to 9 years old totaling as many as 15 cases.
The ranula numerously occurred also in those under 30 years old, and the Blandin-Nuhn gland cyst in large numbers in those under 10 years old.
With regard to the manifestation frequency by sex distinction, the ratio of the mucocele, derived from the minor salivary gland, of male to female was 1: 1.3, indicating higher femaletendency.
With regard to size, most were under 6 to 10mm, accounting for 41 cases (48. 8%), followed by 26 cases (31. 6%) of under 5mm, and 5 cases (6. 0%) of over 21mm in the order mentioned.
As a trend, those in the regions of labia, forelingual gland, and buccal mucosa were small, and those in the oral floor region (sublingual type) were large.
With regard to the number of clays from recognizing symptoms to visiting our hospital, the majority was from 1 to under 3 months in 34 cases (40. 5%), followed by from 3 to under 6 months in 15 cases (17. 9%) in the order mentioned. The shortest period was one day, and the longest was 20 years.
There were 7 cases of frequent manifestation (8. 3%). The ratio of male to female was 1: 2. 5, indicating it occurred more in female, and further there were 18 cases of anamonesis (21. 4%) such as trauma or pernicious habit.

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