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Legg-Calv'e -Perthes Áúȯ¿¡¼­ °ñ°£´ÜÀÇ ÀÚ±â°ø¸í¿µ»ó¼Ò°ß MR Evaluation of ¡°Metaphyseal ¡±Change in Legg-Calv'e -Perthes Disease

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¹®ÇàÁø/Haeng Jin Moon ³ªÀç¹ü/½Éâ¹Î/À¯ÁøÁ¾/Á¤¼ºÈÆ/Jae Boem Na/Chang Min Shim/Jin Jong You/Sung Hoon Chung

Abstract

¸ñÀû:Legg-Calve ¡Ç-Perthes(LCP)Áúȯ ȯÀÚ¿¡¼­ °ñ°£´ÜÀÇ º¯È­¸¦ ÀÚ±â°ø¸í¿µ»óÀ» ÀÌ¿ëÇÏ¿© ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.
´ë»ó°ú ¹æ¹ý:1992³âºÎÅÍ 1999³â±îÁö LCPÁúȯÀ¸·Î Áø´Ü ¹ÞÀº 80¸íÀ» ´ë»óÀ¸·Î ÇÏ¿´°í ÀÌÁß
7¸íÀÇ È¯ÀÚ´Â ¾çÃø¼ºÀ̾ ÃÑ 87°í°üÀýÀ» ´ë»óÀ¸·Î ÇÏ¿´´Ù.¸ðµç ȯÀÚ¿¡¼­ °í°üÀý ÀüÈÄ X-
¼± »çÁø°ú Ãø¸é X-¼± »çÁø(frog leg view)¹× ÀÚ±â°ø¸í¿µ»óÀ» ¾ò¾ú´Ù.°ñ°£´ÜÀÇ º¯È­¸¦ °üÂû
Çϱâ À§ÇØ °ñ¼öºÎÁ¾,³¶Á¾ÀÇ ºóµµ,³¶Á¾ÀÇ À§Ä¡ ¹× Å©±â,º´±â¿ÍÀÇ °ü°è µîÀ» ºÐ¼®ÇÏ¿´´Ù.
°á°ú:87°í°üÀý ÀÚ±â°ø¸í¿µ»ó Áß 43°í°üÀý(49%)¿¡¼­ °ñ°£´Ü¿¡ ÀÌ»ó¼Ò°ßÀÌ °üÂûµÇ¾úÀ¸¸ç,13
°í°üÀý(15%)¿¡¼­ °ñ¼öºÎÁ¾ÀÌ,15°í°üÀý(17%)¿¡¼­´Â ³¶Á¾ÀÌ °üÂûµÇ¾ú°í,15°í°üÀý(17%)¿¡¼­
´Â °ñ¼öºÎÁ¾°ú ³¶Á¾ÀÌ µ¿½Ã¿¡ ³ªÅ¸³µ´Ù.³¶Á¾Àº Á¶¿µÁõ°­¾ç»ó¿¡ µû¶ó Áø¼º³¶Á¾°ú °¡¼º³¶Á¾À¸
·Î ±¸ºÐµÇ¾úÀ¸¸ç,³¶Á¾ÀÌ °üÂûµÈ 30°í°üÀý Áß¿¡¼­ Áø¼º³¶Á¾Àº 9°í°üÀý(33%)¿¡¼­,°¡¼º³¶Á¾Àº
21°í°üÀý(68%)¿¡¼­ ³ªÅ¸³µ°í,°¢°¢ÀÇ ÃÖ´ëÁ÷°æÀº Æò±Õ 1.1 ¡¾0.3 cm ¹× 1.1 ¡¾0.4 cmÀ¸·Î Â÷
ÀÌ°¡ ¾ø¾úÀ¸¸ç,Áø¼º ³¶Á¾Àº 7°í°üÀý(78%),°¡¼º³¶Á¾Àº 16°í°üÀý(76%)¿¡¼­ Àü¹æ¿¡ À§Ä¡ÇÏ¿´
´Ù.Waldenstro ¡§m ºÐ·ù»ó Áø¼º³¶Á¾ÀÌ °üÂûµÈ 9°í°üÀý Áß 7°í°üÀý(78%)Àº ¹«Ç÷¼º±â¿´À¸¸ç,°¡
¼º³¶Á¾ÀÌ °üÂûµÈ 21°í°üÀý Áß 15°í°üÀý(71%)Àº ºÐÀý±â¿´´Ù.Catterall ºÐ·ù»ó Áø¼º³¶Á¾ÀÌ °ü
ÂûµÈ 9°í°üÀý Áß 7°í°üÀý(78%)ÀÌ,°¡¼º³¶Á¾ÀÌ °üÂûµÈ 21°í°üÀý Áß 19°í°üÀý(90%)ÀÌ grade
IV¿´´Ù.
°á·Ð:LCP Áúȯ¿¡¼­ ÀÚ±â°ø¸í¿µ»ó¿¡¼­ º¸ÀÌ´Â °ñ°£´ÜÀÇ º¯È­´Â °ñ¼öºÎÁ¾°ú ³¶Á¾À̾ú°í,³¶Á¾
Àº ´Ù½Ã Áø¼º³¶Á¾°ú °¡¼º³¶Á¾À¸·Î ±¸ºÐÇÒ ¼ö ÀÖ¾ú´Ù.°ñ³¶Á¾Àº ÁÖ·Î °ñ°£´ÜÀÇ Àü¹æºÎ¿¡ À§Ä¡ÇÏ
¿´À¸¸ç,°ñ´ÜÀÇ °ñ±«»ç°¡ ½ÉÇÑ °æ¿ì¿¡ ÁÖ·Î ¹ß°ßµÇ¾ú´Ù.

Purpose: To determine the metaphyseal changes occurring in Legg-Calve ¡Ç-Perthes(LCP) disease using MRI.
Materials and Methods: Between 1992 to 1999, 80 LCP patients (87 hips) underwent MR imaging and plain ra-diography. All MR images were reviewed, bone marrow signal intensity, the size and location of the metaphyseal cyst and its epiphyseal
necrosis
grade determined.
Results: Metaphyses were abnormal in 43hips (49%), while bone marrow edema was present in 28 (32%) and a metaphyseal cyst in 30 (34%). Metaphyseal cysts were classified as either ¡®true¡¯ (n=9) or ¡®false¡¯ (n=21) according to the enhancement
pattern.
The maximum diameters of true and false cysts were 1.1 ¡¾0.3 cm and 1.1 ¡¾0.4 cm, respectively. Their most commom location was the anterior column; a true cyst occurred there in 7cases (78%), and false cyst in 16 (76%). Using the Waldenstro ¡§m
classification, seven of the nine hips wih a true cyst (78%), were found to be at the avascular stage and 15 of the 21 with a false cyst (71%) were at the fragmentation stage. Seven of these nine (78%) and 19 of these 21 (90%) were Catterall
grade
IV.
Conclusion: According to the findings of MR imaging, the metaphyseal changes occurring in LCP disease were bone marrow edema and metaphyseal cyst. This latter was visualized mainly in the anterior column and severely affected hip, and was
classified as
¡®true¡¯ or ¡®false¡¯.

Å°¿öµå

Femur; necrosis; Children; skeletal system; Hip; MR;

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