중이 및 유양동 진주종의 방사선학적 진단에 대한 임상적 고찰
The Clinical Study for Radiological Diagnosis of Cholesteatoma of the Middle Ear and Mastoid Antrum
유선국, 윤견일, 홍기대, 김기령,
소속 상세정보
유선국 ( )
연세대학교 의과대학 이비인후과학교실
윤견일 ( )
연세대학교 의과대학 이비인후과학교실
홍기대 ( )
연세대학교 의과대학 이비인후과학교실
김기령 ( )
연세대학교 의과대학 이비인후과학교실
KMID : 0361019760190010035
Abstract
The cholesteatoma is usually associated with chronic purulent otitis media and destroys the surrounding structures and may cause dangerous complications. Once a cholesteatoma is present, surgical procedure such as radical or modified radical mastoidectomy should be considered.
The X-ray diagnosis should be attempted in every cholesteatoma case before operation, but. even more frequently, a cholesteatoma is found during operation in spite of negative X-ray findings.
According to the reports of each authors, the diagnotic rate of a cholesteatoma by the simple mastoid X-ray could be made in only about one third of cases by Mygind(1932), in. about 40% by Winderen and Zimmer(1954), and in about 60% by Brunel et al (1966).
By the clinical study of the cholesteatoma in diagnosis by the simple mastoid -X-ray, our results are as followed:
1. The 62 cases(30.5%) were confirmed to cholesteatoma by the ear surgery, among the 203 cases of all ear surgery.
2. We could detected the 23 cases (37.1%) preoperatively by the, simple mastoid X-ray, among the 62 cases of cholesteatoma.
3. We could not found apparent difference in sex ratio (33 : 29 in male to female) and the most common age group was between 30 and 39 years included 19 cases (30.6%), among the 62 cases of cholesteatoma.
4. The most common site of a cholestestoma in surgery was attic and included the 29 cases. (46.8%) among the 62 cases.
5. The most common site of a cholesteatoma by the simple mastoid X-ray was attic and mastoid antrum, and included the 15 cases (65.2%), among the 23 cases of cholesteatoma which were detected by the simple mastoid X-ray.
6. We could found the bone erosion in the attic, antrum or both in surgery, and the 18 cases. (78.3%) were included among the 23 cases.
7. The most common site of bone erosion on the simple mastoid X-ray was attic and mastoid antrum, and the 12 cases (66.7%} were included among the 18 cases.
8. We could not found the bone erosion in surgery in the 33 cases(84.6%) of cholesteatoma, .among the 39 cases which revealed the negative findings of cholesteatoma on the simple mastoid X-ray.
9. The most common site of cholesteatoma which revealed the negative- finding on the simple mastoid X-ray was attic and the 26 cases (66.7%) were included among the 39 cases.
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