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°ß°üÀý ÀÚ±â°ø¸í °üÀýÁ¶¿µ¼ú¿¡¼­ °ß°üÀý ȸÀü À§Ä¡¿¡ µû¸¥ ºñ±³: °üÀý¼ø ÀÎ´ë º¹ÇÕüÀÇ ¸ð¾ç º¯È­¿Í °üÀý¼ø ¿­»óÀÇ Áø´Ü Comparison of Shoulder Positions at MR Arthrography: Change of Labroligamentous Complex Shape and Diagnosis of Labral Tears

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°ûÁø¿µ/Jin Young Kwak ÇϵÎȸ/±èÁ¤¼÷/ÀÌ¿µ¼ö*/Doo Hoe Ha/Jeung Sook Kim/Young Soo Lee*

Abstract

¸ñÀû:°ß°üÀý ÀÚ±â°ø¸í °üÀýÁ¶¿µ¼ú¿¡¼­ Á߸³À§,³»È¸Àü,¿ÜȸÀü¿¡ µû¸¥ °üÀý¼øÀÎ´ë º¹ÇÕüÀÇ ¸ð
¾ç º¯È­¿Í °¢°¢ÀÇ À§Ä¡¿¡ µû¸¥ °üÀý¼ø ¿­»óÀÇ Áø´ÜÀû ÀÇÀÇ¿¡ ´ëÇØ ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.
´ë»ó°ú ¹æ¹ý:°ß°üÀý Àڱ⠰ø¸í °üÀý Á¶¿µ¼úÀ» ½ÃÇàÇÑ 36¿¹ (¿¬·ÉºÐÆ÷ 14-66¼¼,Æò±Õ 40¼¼)¸¦
ÈÄÇâÀûÀ¸·Î ºÐ¼®ÇÏ¿´´Ù.ÀÌ Áß 14¿¹´Â °üÀý°æ ¼ö¼ú·Î È®ÁøÇÏ¿´´Âµ¥,SLAP º´º¯ÀÌ 7¿¹,Bankart
º´º¯ÀÌ 2¿¹ ÀÖ¾úÀ¸¸ç,1¿¹¿¡¼­´Â µÎ º´º¯ÀÌ °°ÀÌ ÀÖ¾ú´Ù.Àڱ⠰ø¸í ¿µ»óÀº Ãà»ó¸é Áö¹æ ¾ïÁ¦
T1°­Á¶ ¿µ»óÀ» Á߸³À§,³»È¸Àü,¿ÜȸÀüÀ» ÇÑ ÈÄ °¢°¢ ¾ò¾ú´Ù.ȸÀüÁ¤µµ´Â °ß°©°ñ °üÀý¿Í¸é¿¡
¼öÁ÷ÀÎ ¼±°ú »ó¿Ï °ñµÎÀÇ ÀåÃà°úÀÇ °¢µµ¸¦ Àç¾ú´Ù.Á߸³À§¿¡ ´ëÇÑ ³»È¸Àü°ú ¿ÜȸÀü À§Ä¡¿¡¼­
Á¤»ó Àü,ÈÄ °üÀý¼øÀÎ´ë º¹ÇÕüÀÇ ¸ð¾ç º¯È­ À¯¹«¿Í ȸÀü Á¤µµ¿ÍÀÇ °ü°è¸¦ ¾Ë¾Æº¸¾Ò´Ù.¶ÇÇÑ ¼ö
¼ú·Î È®ÁøÇÑ 14¿¹¿¡¼­´Â °¢°¢ÀÇ È¸Àü À§Ä¡¿¡¼­ °üÀý¼øÀÇ ¼Õ»ó À¯¹«¸¦ ºÐ¼®ÇÏ¿´´Ù.
°á°ú:°ß°üÀý Á߸³À§¿¡ ´ëÇÏ¿© ³»È¸Àü°ú ¿ÜȸÀüÀº °¢°¢ Æò±Õ 44.1°ú 45.3µµÀÇ °¢µµ º¯È­°¡ ÀÖ
¾ú´Ù.Àü°üÀý¼øÀÎ´ë º¹ÇÕü´Â ³»È¸Àü 25¿¹,¿ÜȸÀü 24¿¹¿¡¼­ ¸ð¾çº¯È­°¡ ÀÖ¾ú°í,ȸÀü°¢µµ¿Í
¸ð¾çº¯È­ »çÀÌ¿¡´Â ¿ÜȸÀü½Ã À¯ÀÇÇÑ °ü·Ã¼ºÀÌ ÀÖ¾úÀ¸¸ç,¸ð¾çº¯È­°¡ ¹ß°ßµÈ °æ¿ì¿¡´Â ȸÀü°¢
µµ°¡ ÄÇ´Ù (p<0.05).ÈÄ°üÀý¼øÀÎ´ë º¹ÇÕü´Â ³»È¸Àü 13¿¹¿Í ¿ÜȸÀü 16¿¹¿¡¼­ ¸ð¾çº¯È­°¡ ÀÖ
¾úÀ¸³ª,Åë°èÇÐÀû À¯ÀǼºÀº ¾ø¾ú´Ù.°üÀý°æ ¼ö¼úÀ» ½ÃÇàÇÑ 14¿¹ Áß,SLAP º´º¯ÀÌ ÀÖ¾ú´ø 8¿¹
¿¡¼­ ¿ÜȸÀü½Ã Áø´ÜÀÇ Á¤È®µµ°¡ ³ôÀº °æÇâÀÌ ÀÖ¾úÀ¸³ª Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÏÁö ¾Ê¾Ò´Ù (p=0.07).
Bankart º´º¯ÀÌ ÀÖ´Â 3¿¹ Áß 1¿¹´Â ³»È¸Àü Àڱ⠰ø¸í ¿µ»ó¿¡¼­ ¿­»ó °¡´É¼ºÀ¸·Î Æǵ¶ÇÏ¿´°í,
³ª¸ÓÁö´Â ¾î´À À§Ä¡¿¡¼­³ª ¸ðµÎ ¿­»óÀ¸·Î Æǵ¶ÇÏ¿´´Ù.
°á·Ð:°ß°üÀýÀÇ Àڱ⠰ø¸í °üÀý Á¶¿µ¼ú¿¡¼­ Àü°üÀý¼øÀÎ´ë º¹ÇÕü´Â ¿ÜȸÀü½Ã °¢µµ°¡ Ŭ¼ö·Ï ¸ð
¾çº¯È­°¡ À¯ÀÇÇÏ°Ô ³ªÅ¸³µ°í,¿ÜȸÀü»óÅ¿¡¼­ ½ÃÇàÇÑ Ãà»ó¸é Áö¹æ¾ïÁ¦ T1°­Á¶ ÀÚ±â°ø¸í¿µ»óÀº
SLAP º´º¯ÀÇ Áø´Ü¿¡ º¸´Ù È¿°úÀûÀ̾ú´Ù.±×·¯¹Ç·Î ÇâÈÄ SLAP º´º¯ÀÌ ÀǽɵǴ °æ¿ì,ÀÌ ¿µ
»óÀÇ Ãß°¡°¡ Áø´Ü¿¡ µµ¿òÀ» ÁÖ¸®¶ó »ý°¢ÇÑ´Ù.

Purpose: To compare the neutral, internal, and external rotation positions of the glenohumeral joint during
magnetic resonance (MR) arthrography performed to assess changes in the shape of the labroligamentous com-plex
(LLC) and in the labral tear.
Materials and Methods: MR arthrography of the shoulder was retrospectively evaluated in 36 patients aged
14 -66 (mean, 40) years. Fourteen cases were confirmed by arthroscopic surgery (7 SLAP lesions, 2 Bankart le-sions,
1 both SLAP and Bankart lesions). Axial fat-suppressed T1-weighted spin-echo images were acquired
with each shoulder in the neutral position, and with internal and external rotations. In each position, we mea-sured
the angle of rotation between the perpendicular line on the glenoid fossa and the long axis of the humer-al
head, analyzing the relationship between the rotational angle and changes in the shape of the LLC at each in-ternal
and external rotation, relative to the neutral position. In addition, labral tears in 14 arthroscopically con-firmed
joints were evaluated in each position.
Results: Mean angles of rotation relative to the neutral position were 44.1 and 45.3 degrees in internal and ex-ternal
rotation, respectively. Changes in the anterior LLC occurred in 25 and 24 cases of internal and external
rotation, respectively. There was a significantly meaningful relationship between rotational angle and change
in the shape of the anterior LLC during external rotation, and when this change was noticed, the rotational an-gle
was wider (p<0.05). The posterior LLC changed in shape in 13 and 16 cases of internal and external rota-tion,
respectively, but changes according to the angle of rotation were not statistically significant. In arthro-scopically
confirmed joints, diagnosis of the eight SLAP lesions at external rotation tended to become more ac-curate,
but no statistically significant differences were noted (p=0.07). Two Bankart lesions were interpreted
as a tear in all three positions, and one other such lesion was interpreted as a tear in the neutral position and at
external rotation, and a possible tear at internal rotation.
Conclusion: In shoulder MR arthrography, changes in the shape of the anterior LLC were statistically promi-nent
according to the angle of external rotation, and accuracy of diagnosis in SLAP lesions tended to be signifi-cantly
higher at external rotation. If a SLAP lesion causes clinical concern, additional axial MR arthrography
with the shoulder externally rotated is suggested.

Å°¿öµå

Shoulder; MR; Shoulder; arthrography; Shoulder; dislocation;

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