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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. À̰ÍÀº Å« Á¤È®¼ºÀ»
º¸À̹ǷΠ°üÀý¿øÆÇº¯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¥¸éÄÚÀϰú °°Àº Ãֽбâ¼úÀû 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 ÇØºÎÇÐÀû 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 ÆÇµ¶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 ÆÇµ¶¿¡ À¯¸®ÇÑ ¿µ»óÀ» Á¶»çÇϰíÀÚ 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.

Ű¿öµå

magnetic resonance image; temporomandibular joint;

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