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Abstract

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Á¶·ÎºÎÅÍ ³úô¼ö¾×ÀÇ È帧ÀÌ ÁÁ°í, ¼ö¼ú½Ã Liliequist ¸·À» ³Ð°Ô ¿­¾îÁØ °æ¿ì¿¡ ³ú°æ¸·ÇÏ ¼ö
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Æò±Õ½Ã°£Àº Liliequist ¸·À» ¿­¾îÁØ ºÎÀ§¿Í ¹Ý´ëÃøÀÎ Á¤»óºÎÀ§¿Í ºñ±³ÇÏ¸é °¢°¢ 5.2¡¾6.8 ¹×
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Á¢Çü°ñ Á¢±Ù¼ú·Î ³úµ¿¸Æ·ù ¼ö¼úÈÄ ¹ß»ýÇÑ ³ú°æ¸·ÇÏ ¼öÁ¾ Liliequist ¸·ÀÇ ±¤¹üÀ§ÇÑ °³¹æÀ¸
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#ÃÊ·Ï#
Authors analyzed the post-operative subdural hygroma using radioisotope(RI)
cisternography in 30 cases following aneurysmal surgery with pterional approach from
October, 1995 to March, 1996.
Age, CSF flow from basal cisterns, and etent of opening of Liliequist's membrane
during operation were significantly related to the development of post-operative subdural
hygroma.
Computed tomography(CT) scan of brain and RI cisternography were performed in all
patients at three weeks following operations. RI diffusion time from the interpeduncular
cistern to the cerebral convexity of ipsilateral side with surgically opened Liliequist's
membrane was compared with contralateral nonoperated normal side. Diffusion time of
ipsilateral side(mean 5.2¡¾8.4 hr) was faster than that of contralateral one.
Age, cerebrospinal fluid(CSF) from basal cistern, and extent of opening of Liliquist's
membrane during operation were significantly related to development of post-operative
subdural hygroma.
Development of subdural hygroma after pterional approach for aneurysmal operations
in our series is believed to be caused by stagnation of CSF in the convexity until its
absorption into the arachnoid villi. Increased CSF flow from the infratentorial space to
the supratentorial space through extensively opened Liliequist's membrane is considered
to contribute development of its formation.

Å°¿öµå

Subdural hygroma; RI cisternography; Liliequist's membrane; Ruptured aneurysmal surgery.;

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