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ORAL AND MAXILLOFACIAL MANIFESTATIONS OF LARON SYNDROME

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½ÅÂ÷¿í ( Shin Cha-Uk ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç
±è¿µÀç ( Kim Young-Jae ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÁ¤¿í ( Kim Jung-Wook ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç ¹× Ä¡Çבּ¸¼Ò
Àå±âÅà( Jang Ki-Taeg ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ÀÌ»óÈÆ ( Lee Sang-Hoon ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ÇѼ¼Çö ( Hahn Se-Hyun ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÁ¾Ã¶ ( Kim Chong-Chul ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

Growth hormone insensitivity(GHI) ÁõÈıºÀº Laron¿¡ ÀÇÇØ Ã³À½ º¸°íµÈ ÁúȯÀ¸·Î ¼ºÀå È£¸£¸ó °áÇÌÁõ°ú À¯»çÇÏ°Ô ¾Ç¾Ç¸é ¾ç»ó°ú ½É°¢ÇÑ ¼ºÀå Áö¿¬À» º¸ÀÌÁö¸¸, ÀÌ¿Í´Â ´Þ¸® Ç÷Áß ¼ºÀåÈ£¸£¸óÀº Á¤»óÀ̰ųª Áõ°¡µÇ¾î ÀÖ°í Ç÷Áß Insulin like growth factor-I(IGF-I)°ú ¼ºÀå È£¸£¸ó °áÇÕ ´Ü¹éÁúÀº °¨¼ÒµÇ¾î Àִ Ư¡À» º¸ÀδÙ. ÀÌ Áß¿¡¼­ ¿ø¹ß¼ºÀ¸·Î GHI ÁõÈıºÀ» º¸ÀÌ´Â °æ¿ì¸¦ ¶ó·Ð ÁõÈıºÀ¸·Î ºÐ·ùÇÏ°í ÀÖÀ¸¸ç, ¼¼°èÀûÀ¸·Î ¾à 200¿© Áõ·Ê°¡ º¸°íµÇ°í ÀÖÀ¸³ª, Ä¡ÀÇÇÐÀûÀÎ º¸°í´Â ±ØÈ÷µå¹°´Ù. º» Áõ·Ê´Â ¶ó·Ð ÁõÈıºÀ» º¸ÀÌ´Â µÎ Áõ·Ê¸¦ °üÂûÇÑ ¹Ù ÀÛÀº µÎ°³Àú¿Í »óÇϾǰñ, ¿Ö¼ÒÄ¡, ±¸±Ù»ó Ä¡°ü, ħ»ó Ä¡±Ù µîÀÇ Ä¡¾ÆÇüÅ ÀÌ»ó µîÀÇ ´Ù¾çÇÑ ±¸°­ ¾Ç¾È¸é ÀÌ»óÀ» º¸¿´±â¿¡ À̸¦ º¸°íÇÏ´Â ¹ÙÀÌ´Ù.

Laron syndrome was first described by Dr. Laron. Administration of exogenous growth hormone failed to stimulate insulin-like growth factor-I(IGF-I) production which was related to postnatal growth, because these patients lacked receptors in the liver for this hormone. The diagnosis of this syndrome is based on the typical features of GH resistance such as normal or elevated serum GH, low serum IGF-I, and impaired IGF-I response to hGH. Laron syndrome patients showed characteristically severe postnatal growth failure and markedly reduced adult height. This report describes the oral and maxillofacial manifestations of children associated with Laron syndrome. Children with Laron syndrome have several dental and skeletal irregularities. Relatively little is known of the direct effect of Laron syndrome on dental development. Further research should be needed.

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Growth hormone; Growth failure; Microdontia; Bulbous crown; Spiculate root

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