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½½°üÀý Àü¹æ½ÊÀÚ ÀδëÀÇ ¿ÏÀü°ú ºÎºÐÆÄ¿­ : ÀÚ±â°ø¸í¿µ»óÀ» ÀÌ¿ëÇÑ °¨º° Complete and Partial-Thickness Tears of the Anterior Cruciate Ligament : Differential Features Seen on MR Imaging

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Ç¥Çö¼ø ( Pyo Hyun-Sun ) 
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ÀÌÇü·¡ ( Lee Hyung-Rae ) 
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±èÀå¹Î ( Kim Jang-Min ) 
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ÀÌÁ¤Èñ ( Lee Jung-Hee ) 
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Abstract

¸ñÀû : ½½°üÀý ÀÚ±â°ø¸í¿µ»ó¿¡¼­ Àü¹æ½ÊÀÚÀδë ÆÄ¿­ÀÇ ¿µ»ó¼Ò°ßÀ» ºÐ¼®ÇÏ¿© ¿ÏÀüÆÄ¿­°ú ºÎºÐÆÄ¿­ÀÇ °¨º°Á¡À» ã¾Æº¸°íÀÚ ÇÏ¿´´Ù.
´ë»ó ¹× ¹æ¹ý : ¼ö¼ú ¹× ½½°üÀý°æ ½Ã¼ú·Î Àü¹æ½ÊÀÚÀÎ´ë ¼Õ»óÀ» Áø´Ü¹ÞÀº 36¿¹(¿ÏÀüÆÄ¿­ 16 ¿¹, ºÎºÐÆÄ¿­ 20¿¹)ÀÇ ÀÚ±â°ø¸í¿µ»óÀ» ÀÎ´ë ¿¬¼Ó¼ºÀÇ ´ÜÀý°ú ½ÅÈ£°­µµÀÇ º¯È­ µîÀÇ ÀÏÂ÷ÀûÀÎ ¼Ò°ß°ú Àü¹æ½ÊÀÚÀδëÀÇ Ã༱, ÈĹæ½ÊÀÚÀδëÀÇ ¸ð¾ç°ú °¢µµ, °æ°ñÀÇ Àü¹æÀüÀ§, ¿ÜÃø ¿¬°ñÆÇÀÇ ÈĹæÀüÀ§, empty notch sign, ¿ÜÃø ´ëÅð°ñ ¿­±¸ÀÇ ±íÀÌ º¯È­ µîÀÇ Àü¹æ½ÊÀÚÀÎ´ë ¼Õ»óÀÇ ÀÌÂ÷ÀûÀÎ ¼Ò°ß, ±×¸®°í µ¿¹Ý¼Õ»ó¿¡ ´ëÇØ ÈÄÇâÀûÀ¸·Î ÀçÆǵ¶ÇÏ¿´´Ù.

°á°ú : ÀÎ´ë ¿¬¼Ó¼ºÀÇ ´ÜÀýÀº ¿ÏÀüÆÄ¿­±º¿¡¼­ ºÒ¿ÏÀüÆÄ¿­±º¿¡ ºñÇØ ´õ ¸¹ÀÌ º¸¿´°í (10/16 ¿¹ : 4/20¿¹, p=0.009), Àü¹æ½ÊÀÚÀδëÀÇ Ã༱ÀÌ ¿ÏÀüÆÄ¿­±º¿¡¼­ Á¤»óº¸´Ù ³·Àº °æ¿ì°¡ ´õ ¸¹¾Ò´Ù(11/16¿¹ : 2/20¿¹, p=0.001). ±×·¯³ª Àü¹æ½ÊÀÚÀδëÀÇ ½ÅÈ£°­µµ º¯È­´Â Åë°èÀûÀ¸·Î À¯ÀÇÇÏÁö ¾Ê¾ÒÀ¸¸ç ´Ù¸¥ Àü¹æ½ÊÀÚÀÎ´ë ¼Õ»óÀÇ ÀÌÂ÷ÀûÀÎ ¼Ò°ß°ú µ¿¹Ý¼Õ»óÀº ¿ÏÀü ÆÄ¿­±º¿¡¼­ ´õ ¸¹ÀÌ º¸¿´À¸³ª Åë°èÀûÀ¸·Î À¯ÀÇÇÑ Â÷ÀÌ´Â ¾ø¾ú´Ù.

°á·Ð : ¼ú°üÀý ÀÚ±â°ø¸í¿µ»óÀ» ÀÌ¿ëÇÑ Àü¹æ½ÊÀÚÀδëÀÇ ¿ÏÀüÆÄ¿­°ú ºÎºÐÆÄ¿­ÀÇ °¨º°Àº ÀÎ´ë ¿¬¼Ó¼ºÀÇ ´ÜÀý°ú Àü¹æ½ÊÀÚÀδëÀÇ Ã༱ÀÇ º¯È­°¡ À¯¿ëÇÑ ¼Ò°ßÀ̾ú°í, ¿ÏÀüÆÄ¿­±º¿¡¼­´Â Ã༱ÀÌ 45¡ÆÀÌÇÏ·Î °¨¼ÒÇÏ°í ÀüÆø¿¡ °ÉÄ£ ÀÎ´ë ¿¬¼Ó¼ºÀÇ ´ÜÀýÀ» º¸ÀÌ´Â °æ¿ì°¡ ¸¹¾Ò°í, ºÒ¿ÏÀü ÆÄ¿­±º¿¡¼­´Â Ã༱ÀÌ 45¡ÆÀÌÇÏ·Î °¨¼ÒÇÏ´Â °æ¿ì°¡ Àû¾ú°í ÀϺκÐÀÇ ÀÎ´ë ¼¶À¯°¡ º¸ÀÌ´Â °æ¿ì°¡ ¸¹¾Ò´Ù.

Purpose : To evaluate the differential features of complete and partial-thickness tears of the anterior cruciate ligament, as seen on magnetic resonance imaging(MRI).

Materials and Methods : We retrospectively reviewed MR images of 36 patients with ACL injuries (complete tear 16, incomplete tear 20). In all cases, the presence of an ACL tear was determined by arthroscopy or surgery. Primary and secondary signs of ACL injury and associated injuries were assessed.

Results : Ligamentous discontinuity of the ACL was observed in ten complete tears (63%), but in only four(10%) of those that were partial (p=0.009). In addition, complete tears were more likely to show a low degree of ACL axis, less than 45¡Æ(11/16 : 2/20, p=0.001). There was, however, no statistically significant difference between complete
and partial tears with regard to signal intensity of ACL, PCL buckling or angle, anterior displacement of the tibia, uncovered meniscus sign, deep notch sign, empty notch sign, and associated injuries.

Conclusion : Ligamentous discontinuity and the ACL axis are features which usefully differentiate between complete and partial tears of the ACL.

Å°¿öµå

Knee injuries; Knee MR; Knee ligaments menisci and cartilage; Ligaments;

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