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논문 기본 정보

자료유형
학술저널
저자정보
최형식 (국군수도병원 구강외과)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제25권 제1호
발행연도
1989.1
수록면
86 - 92 (7page)

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The temporomandibular joint(TMJ) is really a complex of two synovial space separated by fibrocartilaginous disc. Single inferior joint space arthrography is commonly performed for evaluation of TMJ disorders which is known to be superior in demonstrating joint dynamics. But it reveals only the inferior surface of the disc, Therefore dual space arthrography is superior to demonstrate the soft tissue anatomic features of the joint such as disc position and shape. Authors performed 83 TMJ arthrograms in TMJ problems. Initially the inferior joint space was done and then the superior space was sequentially contrasted. The following results wese noted: 1. In all cases dual space arthrography revealed accurate disc shapes and positions. 2. Concordant findings between the two techniques: 68 cases(82%) Discordance between the two techniques: 15 cases(18%) 3. Possible causes of discordance between inferior and dual space arthrography. a) Normal variants of anterior recess: 3 cases b) Posterior disc displacement:4 cases c) Influence of the patient's head position change : 4 cases d) False perforation :2 cases e)Reduction change: 2 cases 4. In 5 cases with anterior displacement dual space arthrography gave additional findings such as adhesion within the superior space which could not be ebaluated by single inferior space arthrography. 5. Dual space arthrography be required especially when the clinical findings are not similar to single inferior joint space arthrography and disc position is questionable.

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