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A Clinical Study of Cysts on Mandible

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Abstract

¼­·Ð
³¶Á¾(cyst)Àº fluid³ª semisolid materialÀ» Æ÷ÇÔÇÏ´Â, »óÇÇ·Î ÀÌ°³µÇ¾îÀÖ´Â pathologic
cavity·Î Á¤ÀǵǾîÁö¸ç ´Ù¸¥ °ñ¿¡¼­º¸´Ù ¾Ç°ñ¿¡¼­ ´õ ÈçÇѵ¥ ÀÌ°ÍÀº ´ëºÎºÐÀÇ ³¶Á¾ÀÌ Ä¡¾Æ
Çü¼ºÈÄ¿¡ ¾Ç°ñ¿¡ ÀÜÁ¸ÇÏ´Â ¸¹Àº Ä¡¼º »óÇÇÀÜ»ç·ÎºÎÅÍ À¯·¡ÇÏ¿´±â ¶§¹®ÀÌ´Ù. ¾Ç°ñ¿¡ ¹ß»ýÇÏ
´Â ³¶Á¾Àº Ä¡¼º³¶Á¾(odontogenic cyst)°ú ºñÄ¡¼º³¶Á¾(nonodontogenic cyst)À¸·Î ºÐ·ùµÇ¾îÁö
¸ç ÀÌÁß Ä¡¼º ³¶Á¾Àº ¾Ç°ñ ³¶Á¾ÀÇ ¾à 90%¸¦ Â÷ÁöÇϴµ¥ ÀÌ¿¡´Â primordial cyst,
dentigerous cyst, periodontal cyst, odontogenic keratocyst, calcifying odontogenic cyst µî
ÀÌ ÀÖ´Ù. ºñÄ¡¼º ³¶Á¾¿¡´Â nasopalatine cyst, median palatine cyst, nasoalveolar cyst,
dermoid cyst µîÀÌ ÀÖÀ¸¸ç À̵éÀº ¾Ç°ñ ³¶Á¾ÀÇ ¾à 6%¸¦ Â÷ÁöÇÑ´Ù. ÇϾǰñÀÇ cystic lesions
Àº ¿Ö ÈçÇÏ¸ç ¹æ»ç¼±ÇÐÀû ¼Ò°ß¸¸À¸·Îµµ Áø´ÜÀÌ ½±°Ô ³»·ÁÁö´Â °ÍÀÌ º¸ÅëÀ̳ª ¶§·Î´Â Ä¡·á¹æ
¹ýÀÇ ¼±Åÿ¡ ÀÖ¾î Áß¿äÇÑ ¿ªÇÒÀ» ÇÏ´Â Áø´Ü¿¡ error¸¦ ¹üÇÒ ¼öµµ ÀÖ´Ù. ¹æ»ç¼±»çÁø»óÀ¸·Î Áø
´ÜÀ» Çϴµ¥ ÀÖ¾î °¡Àå È¥µ¿µÉ ¼ö ÀÖ´Â °Íµé¿¡´Â traumatic bone cyst, dentigerous cyst,
radicular cyst µîÀÌ ÀÖ´Ù. Ä¡±Ù´Ü ³¶Á¾(radicular cyst)Àº Ä¡¼º ³¶Á¾ Áß °¡Àå ÈçÇÑ °ÍÀ¸·Î¼­
ÀÌ°ÍÀº ´ëºÎºÐ Ä¡¾Æ ¿ì½ÄÁõÀ¸·Î ÀÎÇÑ Ä¡¼öÀÇ °¨¿°À» ÅëÇØ ¹ß»ýÇÑ´Ù. Ä¡±Ù´Ü ³¶Á¾ÀÇ »óÇÇ´Â
Ä¡±Ù¸·¿¡ ÀÖ´Â rest of Malassez ¿¡¼­ ¹ß»ýÇϸç ÀÌ »óÇÇÀÜÀçµéÀº ¿°Áõ¼º »ê¹°¿¡ ÀÚ±ØÀ» ¹Þ
¾Æ Áõ½ÄµÈ´Ù. »ó¾Ç ÀüÄ¡°¡ °¡Àå ÈçÈ÷ ÀÌȯµÇ¸ç ¹æ»ç¼± »çÁø»óÀ¸·Î Ä¡±Ù´Ü ºÎÀ§¿¡ ¿øÇü ¶Ç´Â
Ÿ¿øÇüÀÇ ¹æ»ç¼± Åõ°ú»óÀ» º¸ÀÌ¸ç ¾ãÀº °ú°ñ¼º °æ°è¸¦ º¸ÀδÙ. ÀÓ»óÀûÀ¸·Î º¸Åë Áõ»óÀÌ ¾ø
À¸¸ç ÇÇÁú°ñ ÆØâÀ» ÀÏÀ¸Å°´Â °æ¿ìµµ ¸Å¿ì µå¹°´Ù.
#ÃÊ·Ï#
Cystic lesions of the mandible are fairly common and usually a presumptive diagnosis
is made readily, more often on the basis of roentgenographic appearance than by any
other means. Occasionally, however, it is easy to fall into errors of diagnosis which may
affect one's choice of treatment. The diagnosis in these situations are usually resolved
by the histopathologic examination of material obtained by surgical exploration. The
present discussion to the lesions which can be most easily confused in the
roentgenographic interpretation, that is, the traumatic bone cyst, the dentigerous cyst,
the radicular cyst. These lesions often grow to considerable size before they cause any
subjective or objective symptoms. Less frequently, perhaps, the patient presents himself
with the complaint of enlargement of the affected part, a discharge, or pain. On rare
occasions the first sign is fracture through the cyst cavity. In any case, an adequate
roentgenographic survey by means of extraoral films is essential. This is the primary
means of diagnosis. The three lesions in mandible, reported here, resembled each other
roentgenographically in that they were osteolytic lesions. The follicular and radicular
cysts usually have a smooth periphery and may be surrounded by a white line. The
follicular cyst, slow-growing lesions, is usually associated with an unerupted tooth. The
radicular cyst, the most common type of the odontogenic cyst, is always associated with
a nonvital tooth, or it may persist as a 'residual' radicular cyst after the causative tooth
has been extracted. The traumatic bone cyst can often be differentiated from the first
two in that the periphery is less definite and is irregular. It is thought that because it
does not occur in older people, the lesion is self-limiting and heals spontaneously if left
alone.

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