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Abstract

¸ñÀû: ±Ø½ÉÇÑ ¹éÇ÷±¸ Áõ°¡Áõ(105/mm3 ÀÌ»ó)À» µ¿¹ÝÇÑ ±Þ¼º ¹éÇ÷º´Àº ³ú³» ÃâÇ÷·Î ÀÎÇÑ Á¶±â ±Þ»çÀÇ À§ÇèÀÌ ³ôÀº ÁúȯÀÌ´Ù. ÀÀ±Þ ÀüµÎ°³ ¹æ»ç¼±Á¶»ç´Â ºñ±³Àû ´Ü¼øÇÏ°Ô ÀÌ ¹®Á¦¸¦ ´ëóÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀ¸·Î º» ÀúÀÚµéÀº 24¸íÀÇ ±Ø½ÉÇÑ ¹éÇ÷±¸
Áõ´ÙÁõÀ»
º¸ÀΠȯ¾Æ¿¡¼­ÀÇ ÀüµÎ°³ ¹æ»ç¼± Ä¡·áÀÇ °æÇèÀ» º¸°íÇÏ°íÀÚ ÇÑ´Ù.
´ë»ó ¹× ¹æ¹ý: 1990³âºÎÅÍ 1998³â±îÁö 40¸íÀÇ ±Ø½ÉÇÑ ¹éÇ÷±¸ Áõ°¡ÁõÀ» º¸ÀÌ´Â ±Þ¼º ¹éÇ÷º´
ȯ¾Æ°¡ ÀÀ±Þ ÀüµÎ°³ ¹æ»ç¼±Á¶»ç¸¦ À§ÇØ ÀǷڵǾú´Ù. À̵éÁß 24¸íÀÇ È¯¾ÆÀÇ Ãʱ⠺´·ÏÀÇ °Ë
»öÀÌ °¡´ÉÇÏ¿´´Ù. ȯÀÚ±ºÀº ³²¾Æ°¡ 16¸í, ¿©¾Æ°¡ 8¸íÀ̾úÀ¸¸ç ¿¬·É ºÐÆ÷´Â 2¼¼¿¡¼­ 13¼¼(Áß
¾Ó°ª 9.5¼¼)¿´´Ù. ÃʱâÀÇ ¹éÇ÷±¸ ¼öÄ¡´Â 109,910/mm2¿¡¼­
501,111/mm2ÀÇ ¹üÀ§¿¡ ÀÖ¾ú´Ù. ¸ðµç ȯÀÚ¿¡°Ô ¸»ÃÊ Ç÷¾× µµ¸» °Ë»ç¸¦ ½ÃÇàÇÏ
¿´°í ÀÀ±Þ ÀüµÎ°³ ¹æ»ç¼±Á¶»ç´Â ¹éÇ÷±¸ ¼öÄ¡°¡ 105/mm2ÀÌ»óÀÌ
¸ç, ¸»ÃÊ Ç÷¾×¿¡¼­ ¸²ÇÁ±¸¸ð¼¼Æ÷°¡ °üÂûµÈ ȯÀڵ鿡°Ô ½ÃÇàµÇ¾ú´Ù. ¸ðµç ȯÀÚ´Â ¿°±â¼º ÀüÇØ
ÁúÀ» Æ÷ÇÔÇÑ Á¤¸Æ ¼ö¾×¿ä¹ý°ú °æ±¸ allopurinol º¹¿ëÀÇ Ã³Ä¡¸¦ ¹Þ¾Ò´Ù. ÀüµÎ°³ ¹æ»ç¼± Á¶»ç´Â
Áø´ÜÀϷκÎÅÍ ½ÃÀ۵ǾúÀ¸¸ç 2 GyÀÇ ºÐÇÒ Á¶»ç¼±·®À¸·Î 1ȸ ½ÃÇà¹ÞÀº ȯ¾Æ°¡ 4¸í, 2ȸ ½ÃÇà
¹ÞÀº ȯ¾Æ°¡ 20¸íÀ̾ú´Ù.
°á°ú: ¹éÇ÷±¸ ¼ö´Â 19¸íÀÇ È¯¾Æ¿¡°Ô¼­ °¨¼Ò¸¦ ³ªÅ¸³ÂÀ¸¸ç ¹æ»ç¼±Á¶»ç ÈÄ ³ú³» ÃâÇ÷Àº °üÂû
µÇÁö ¾Ê¾Ò´Ù. 5·ÊÀÇ Á¶±â »ç¸ÁÀÌ Àִµ¥ 4·Ê´Â ´ë»çÀû ÇÕº´Áõ°ú °ü·ÃµÈ °ÍÀ̾ú°í 1·Ê´Â ¹æ
»ç¼±Á¶»ç Àü¿¡ ÀϾ ³ú³» ÃâÇ÷·Î ÀÎÇÑ »ç¸ÁÀ¸·Î ¹æ»ç¼±Á¶»ç 5½Ã°£ ÈÄ¿¡ »ç¸ÁÇÏ¿´´Ù. ÀüµÎ
°³ ¹æ»ç¼±Á¶»ç ÈÄ¿¡ Áï°¢ÀûÀÎ ºÎÀÛ¿ëÀº °üÂû µÇÁö ¾Ê¾Ò´Ù.
°á·Ð: ÀÌ»óÀÇ °á°ú¿¡¼­ ±Ø½ÉÇÑ ¹éÇ÷±¸ Áõ°¡ÁõÀ» º¸ÀÌ´Â ¼Ò¾Æ ¹éÇ÷º´ ȯÀÚ¿¡°Ô ÀÀ±Þ ÀüµÎ°³
¹æ»ç¼±Á¶»ç´Â ¾ÈÀüÇÏ°Ô ±×¸®°í È¿°úÀûÀ¸·Î ÀÌ¿ëµÉ ¼ö ÀÖÀ»°ÍÀÌ´Ù.

Purpose: Acute leukemia with hyperleukocytosis (more than 1015/mm3) is at high risk of early sudden death, usually from intracerebral hemorrhage. emergency cranial irradiation is a relatively simple approach to solve this
the
problem. We summarized our experience of cranial irradiation in 24 leukemic children who presented with hyperleukocytosis.
Methods and Materials: Between 1990 and 1998, 40 children with acute leukemia
presenting with hyperleukocytosis were referred for emergency cranial irradiation.
Among these patients, 24 children were evaluable. There were 16 boys and eight girls,
their ages ranged from 2 to 13 years (median 9.5 years). The initial leukocyte counts
ranged 109,910/mm3. to 501,000/mm3. Peripheral blood smear
was performed in all patients and noted the morphology of the blast. Introduction of
emergency cranial irradiation was determined by the leukocyte counts (more than
100,000/mm) and the existence of the blast in peripheral blood smear. All patients were
treated with intravenous hydration with alkaline fluid and oral allopurinol. Cranial
irradiation started on the day of diagnosis. With 2 Gy in one fraction in 4 patients, 4
Gy in two fractions in 20 patients.
Results: the WBC count had fallen in 19 patients (83%) and no intracerebral hemorrhage
occurred after irradiation. There were five cases of early deaths. Four patients died of
metabolic complications, and one patient with intracerebral hemorrhage. He died 5 hours
after cranial irradiation. No patient had any immediate side effect from cranial
irradiation.
Conclusion Our data suggest, that emergency cranial irradiation can be safely chosen
and effective in childhood leukemic patients presenting with high leukocyte counts.

Å°¿öµå

Hyperleukocytosis; Cranial irradiation;

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