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Magnetic Resonance Imaging of the Temporomandibular Joint

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Abstract

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ÀÚ±â°ø¸í¿µ»óÀº ÃøµÎÇϾǰüÀýÀÇ ³»ÀåÁõ Áø´Ü¿¡ ÃÖÀûÀÇ ¼±Åÿµ»óÀÌ´Ù. ÀÌ°ÍÀº Å« Á¤È®¼ºÀ»
º¸À̹ǷΠ°üÀý¿øÆǺ¯À§ÀÇ Áø´Ü¿¡ ÀÌ¿ëµÇ¾î ¿À°í ÀÖÀ¸¸ç ¼ö¼Ò¾çÀÚ ¿µ»ó±îÁö ÃÔ¿µ°¡´ÉÇϹǷÎ
Àå·¡¿¡ °üÀý¿øÆÇÀÌ»ó ÀüµµÀÇ ºÐ·ù ±× ÀÌ»óÀÇ Á¤º¸¸¦ Æò°¡ÇÒ ¼ö ÀÖ´Â ÀáÀ缺ÀÌ ÀÖ´Ù.
±×·¯³ª ÀÚ±â°ø¸í¿µ»ó¿¡ À־ÀÇ ÁÖ¿äÇÑ ¹®Á¦´Â ÃÖ»óÀÇ ÁúÀ» °¡Áø ¿µ»óÀ» ¾ò´Â °ÍÀÌ ¾î·Æ
´Ù´Â °ÍÀÌ´Ù. ÃøµÎÇϾǰüÀýÀÇ ÁÁÀº ¿µ»óÀ» ¾ò±â À§Çؼ­´Â Ç¥¸éÄÚÀÏ°ú °°Àº ÃֽŠ±â¼úÀû Áø
º¸ »Ó ¾Æ´Ï¶ó ¼úÀÚÀÇ ±â¼ú°ú °æÇèÀÌ ÇÊ¿äÇÏ´Ù. ³Ê¹«³ª Á¾Á¾ ÀÌ·¯ÇÑ °ÍµéÀÌ °áÇ̵Ǿî ÃÔ¿µµÈ
¿µ»óÀÌ Áø´Ü¿¡ ÀûÇÕÇÏÁö ¾Ê°Ô µÈ´Ù. ÀÌ·¯ÇÑ »ç½Ç¸¸ ¾Æ´Ï¶ó¸é, ÃøµÎÇϾǰüÀýÀÇ ³»ÀåÁõ Áø´Ü¿¡
¼­ ÀÚ±â°ø¸í¿µ»óÀÌ Á¶¿µ¿µ»óÀ̳ª CT¸¦ ´ëÄ¡ÇÏÁö ¸øÇÒ ÀÌÀ¯°¡ ¾ø´Ù.
´õ¿í »õ·Î¿öÁø Çϵå¿þ¾î¿Í ¼ÒÇÁÆ®¿þ¾îÀÇ Çõ½ÅÀÌ Áö³­ ¼ö³â°£ ¿µ»óÀÇ ÁúÀ» ȹ±âÀûÀ¸·Î °³
¼±½ÃÄѼ­, ÃøµÎÇϾǰüÀý°ú °°ÀÌ ÀÛÀº ÇغÎÇÐÀû ºÎÀ§¿¡¼­ Áõ°¡µÈ ÇØ»ó·Â°ú ´õ ³ªÀº ÀüüÀûÀÎ
¿µ»óÀ» Á¦°øÇÏ°Ô µÇ¾ú´Ù.
ÃøµÎÇϾǰüÀýÀÇ ÇÙÀÚ±â°ø¸í¿µ»ó¿¡¼­ °¡Àå ¸¹ÀÌ ÃÔ¿µµÇ´Â °ÍÀº ½ºÇÉ¿¡ÄÚ ¿µ»óÀÌ´Ù.
Conventional spin-echo (CSE) T1-weighted sagittal-obliquqe¿µ»óÀÌ °üÀý¿øÆÇÀÇ ³»ÀåÁõ Áø
´ÜÀ» À§ÇÑ °³±¸ ¹× Æó±¸À§ ÃÔ¿µÀÇ ±âº»ÀÌ¸ç ¶ÇÇÑ T2 ¿µ»óÀ» ÃÔ¿µÇÏ¿© °üÀý³»ÀÇ »ïÃâ¾× À¯
¹«¸¦ È®ÀÎÇϱ⵵ÇÏ°í °ü»ó¿µ»óÀ» Ãß°¡ÇÏ¿© ÃÔ¿µÇÏ´Â °ÍÀ» ÃßõÇϱ⵵ ÇÑ´Ù. ¶Ç Fast
spin-echo techniques (FSE)µµ Æò°¡µÇ¾î ¿À°í ÀÖÀ¸¸ç ÀÌµé ¿µ»óÀÌ ÃÔ¿µÀÇ È¿À²¼ºÀ̳ª Áø´Ü
ÀûÀÎ Ãø¸é¿¡¼­ CSE¿Í ÇÊÀûÇÒ ¸¸ Çϰųª ´õ ³´´Ù´Â °ÍÀ» º¸¿©ÁÖ°í ÀÖ´Ù.
ÀúÀÚ´Â 1.5 TeslaÀÇ Magnetom Vision±âÁ¾À» ÀÌ¿ëÇÏ¿© ÃøµÎÇϾǰüÀýÀÇ ½ºÇÉ¿¡ÄÚ¿µ»óÀ» ÃÔ
¿µÇ쵂 T1, PD ¹× T2 ¿µ»óÀ» µ¿½Ã¿¡ ÃÔ¿µÇÏ¿© ÀÌµé ¿µ»ó¿¡¼­ °üÀý¿øÆÇÀÇ Æǵ¶Á¤µµ¸¦ À°¾È
ÀûÀ¸·Î µî±Þº°·Î ºÐ·ùÇÑ ÈÄ ÀÌµé µî±Þ°£ÀÇ °üÀý¿øÆÇ¿µ»óÀÇ ÁúÀ» ȸ»öµµÀÇ °ªÀ¸·Î ÃøÁ¤ ÇØ
º½À¸·Î½á °üÀý¿øÆÇ Æǵ¶¿¡ À¯¸®ÇÑ ¿µ»óÀ» Á¶»çÇÏ°íÀÚ ÇÏ¿´´Ù.
#ÃÊ·Ï#
Purpose : To find out the best imaging parameters for the diagnosis of disc in MRI
imaging.
Materials and methods : The diagnostic quality of the disc among the T1, PD and T2
images of same patients(12 joints, 223 images) was compared by visual(¥°-¥³ grades)
and gray level measurement(pre- and infra-discal area) method.
Results : PD images showed best results with 43.7% of the images belonging to
grade ¥²(good) and with statistically significant higher difference of the gray levels at
pre- and infra-discal areas. But there were no grade ¥³(excellent) images.
Conclusions : PD images are best method among T1, PD and T2 images in
diagnosing the disc but since there were no excellent images further imaging parameters
should be studied for better images.

Å°¿öµå

magnetic resonance image; temporomandibular joint;

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