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측두하악관절에 발생한 색소성 융모결절성 활막염(Pigmented Villonodular Synovitis)의 영상진단
Diagnostic Imaging of Pigmented Villonodular Synovitis of the Temporomandibular Joint.

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Authors
Song, Man-Yong; Lee, Kyung-Hee; Lee, Sang-Chul; Lee, Sam-Sun; Choi, Soon-Chul; Park, Tae-Won; You, Dong-Soo
Issue Date
1998
Publisher
대한구강악안면방사선학회
Citation
치과방사선 28(2):505-519, 1998
Abstract
The occurrence of PVNS in the TMJ is very rare. We report a case of PVNS which was misdiagnosed as a parotid tumor at first. CT and conventional radiograph revealed a well defined mass demonstrating higher attenuation than adjacent soft tissue. Erosion and expansion of the cortical plate of the mandibular condyle and sclerotic change beneath the margin of the lesion were also shown. MRI demonstrated well defined mass of very low signal intensity on both Tl and T2-weighted images due to ferromagnetic effect of the high concentrated hemosiderin and clearly delineated the extent of the lesion. Histopathologic findings and characteristic appearance of the various imaging methods were described and the usefulness of these images for diagnosis and pretreatment evaluation of PVNS were also discussed.
ISSN
0389-9705
Language
Korean
URI
https://hdl.handle.net/10371/47223
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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