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±¹ÇѼº µÎ°æºÎ ´ë¼¼Æ÷¼º(Diffuse Large Cell) ¸²ÇÁÁ¾ÀÇ ÀûÁ¤ ¹æ»ç¼± Á¶»ç¼±·® The Optimal Radiation Dose in Localized Head and Neck Diffuse Large Cell Lymphoma

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Abstract

¸ñÀû: µÎ°æºÎ¿¡ ±¹ÇÑµÈ 1±â, 2±â ´ë¼¼Æ÷¼º(diffuse large cell) ºñȣġŲ ¸²ÇÁÁ¾ÀÇ Ç×¾ÏÈ­Çйæ»ç¼± º´¿ë¿ä¹ý ½Ã ¹æ»ç¼± Á¶»ç¿µ¿ª ³»ÀÇ Àç¹ßÀ» ¿¹¹æÇϱâ À§ÇÑ ÀûÁ¤ ¹æ»ç¼± Á¶»ç¼±·®À» ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.

´ë»ó ¹× ¹æ¹ý: 1985³â 5¿ùºÎÅÍ 1998³â 12¿ù±îÁö ±¹ÇѼº µÎ°æºÎ ´ë¼¼Æ÷¼º ¸²ÇÁÁ¾À¸·Î Ç×¾ÏÈ­Çпä¹ý ÈÄ ¹æ»ç¼±Ä¡·á¸¦ ¹ÞÀº 53¸íÀ» ´ë»óÀ¸·Î ÇÏ¿´´Ù. ³ªÀÌ´Â 13¼¼ºÎÅÍ 69¼¼±îÁö¿´À¸¸ç Áß¾Ó°ªÀº 49¼¼¿´´Ù. ³²³à ºñ´Â 1.65´ë 1À̾ú°í 1±â, 2±â ȯÀÚ°¡ °¢°¢ 27¸í,
26¸íÀ̾ú´Ù. Á¾¾ç Å©±âº°·Î 5 §¯ ¹Ì¸¸ÀÌ 30¸í, 5 §¯ ÀÌ»óÀÌ 23¸íÀ̾ú´Ù. ¿ø¹ßºÎÀ§´Â °æºÎ¸²ÇÁÀý 22¸í, Æíµµ 20¸í, ºñÀεΠ4¸í, ¼³±âÀúºÎ 3¸í, ºÎºñµ¿ 2¸í, ÈĵΠ1¸í, ¿¬±¸°³ 1¸íÀ̾ú´Ù. Ç×¾ÏÈ­Çпä¹ýÀº 1¸íÀ» Á¦¿ÜÇÏ°í 3ȸ ÀÌ»ó ½ÃÇàµÇ¾úÀ¸¸ç ¹æ»ç¼±Ä¡·á´Â 48¸íÀÌ
¿ø¹ßºÎÀ§¿Í °æºÎÀÓÆļ±À», 5¸íÀÌ ¿ø¹ßºÎÀ§¸¸ Ä¡·áÇÏ¿´´Ù. »ýÁ¸À², ¹«º´»ýÁ¸À², Á¶»ç¿µ¿ª ³» ¹«Àç¹ß»ýÁ¸À²°ú ¹æ»ç¼± Á¶»ç¼±·®¿¡ µû¸¥ ¹æ»ç¼± Á¶»ç¿µ¿ª ³»¿¡¼­ÀÇ Àç¹ßºóµµ¸¦ Á¶»çÇÏ¿´´Ù.

°á°ú: Ç×¾ÏÈ­Çпä¹ý ÈÄ 44¸í(83%)ÀÌ ¿ÏÀü°üÇØ µÇ¾ú°í ¿¬ÀÌÀº ¹æ»ç¼±Ä¡·á ÈÄ 53¸í ¸ðµÎ ¿ÏÀü°üÇØ µÇ¾ú´Ù. 12¸í(23%)ÀÌ Àç¹ßÇÏ¿´°í ±×Áß 2¸íÀº ¹æ»ç¼± Á¶»ç¿µ¿ª ³» Àç¹ßÀ̾ú°í ¹æ»ç¼± Á¶»ç¿µ¿ª ¹Ù±ù Àç¹ßÀº 11¸íÀ¸·Î º¹°­ ¹× °ñ¹Ý³» ¸²ÇÁÀýÀÌ °¡Àå ¸¹¾Ò´Ù.
¹æ»ç¼±
Á¶»ç¼±·® º° Á¶»ç¿µ¿ª ³» Àç¹ßÀº 30~35 §í¿¡¼­ 7¸í Áß 1¸í, 35~40 §í¿¡¼­ 16¸íÁß 1¸íÀ̾ú°í 40 §í À̻󿡼­´Â Àç¹ßÀÌ ¾ø¾ú´Ù. ¹æ»ç¼± Á¶»ç¿µ¿ª ³» Àç¹ß¿¡ À¯ÀÇÇÑ ¿¹ÈÄÀÎÀÚ´Â ¾ø¾úÀ¸³ª 5 §¯ ÀÌ»óÀÎ Á¾¾ç¿¡¼­ Àç¹ßÇÏ¿´°í 5 §¯ ¹Ì¸¸ÀÎ Á¾¾çÀº 30 §í¿¡¼­µµ Àç¹ßÇÏÁö
¾Ê¾Ò´Ù. 10
³â ¹æ»ç¼± Á¶»ç¿µ¿ª³» ¹«Àç¹ß»ýÁ¸À², ¹«º´»ýÁ¸À², Àüü»ýÁ¸À²Àº °¢°¢ 96%, 76%, 75%¿´´Ù.

°á·Ð: ±¹ÇѼº µÎ°æºÎ ´ë¼¼Æ÷¼º ¸²ÇÁÁ¾¿¡¼­ Ç×¾ÏÈ­Çйæ»ç¼± º´¿ë¿ä¹ý ½Ã Á¾¾çÀÇ Å©±â°¡ 5 §¯ ¹Ì¸¸ÀÎ °æ¿ì¿¡´Â 30 §íÀÇ ¹æ»ç¼± Á¶»ç¼±·®À¸·Îµµ ±¹¼ÒÁ¦¾î¸¦ ÇÒ ¼ö ÀÖ´Ù. µû¶ó¼­ ¹æ»ç¼±Ä¡·á¿¡ µû¸£´Â ±¸°­°ÇÁ¶ÁõÀ» ÃÖ¼ÒÈ­½Ãų ¼ö ÀÖÀ» °ÍÀÌ´Ù. 5 §¯ ÀÌ»óÀÇ
Á¾¾ç¿¡¼­´Â
30 §í ÀÌ»óÀÇ ¹æ»ç¼± Á¶»ç ¼±·®ÀÌ ÇÊ¿äÇϸ®¶ó »ý°¢µÈ´Ù.

Purpose: To determine the optimal radiation dose in a localized non-Hodgkin's lymphoma of the head and neck in the treatment setting for combined chemoradiotherapy.

Materials and Methods: Fifty-three patients with stage ¥° and ¥± diffuse large cell non-Hodgkin's lymphoma of the head and neck, who were treated with combined chemoradiotherapy between 1985 and 1998 were retrospectively reviewed. The median
age
was 49 years, and the male-to-female ratio was approximately 1.6. Twenty-seven patients had stage ¥° disease and 26 had stage ¥±. Twenty-three patients had bulky tumors (¡Ã5 §¯) and 30 had non-bulky tumors (<5 §¯). The primary tumors arose mainly
from
an extranodal organ (70%), most cases involving Waldeyer's ring (90%). All patients except one were initially treated with 3~6 cycles of chemotherapy, which was followed by radiotherapy. Radiation was delivered either to the primary tumor area
alone
(9%) or to the primary tumor area plus the bilateral neck nodes (91%) with a minimum dose of 30 §í (range 30~60 §í). The failure patterns according to the radiation field were analyzed, and the relationship between the dose and the in-field
recurrence
was evaluated.

Results: The 10-year overall survival and the 10-year disease free survival rates were similar at 75% and 76%, respectively. A complete response (CR) after chemotherapy was achieved in 44 patients (83%). Subsequent radiotherapy showed a CR
in all
patients. Twelve patients (23%) had a relapse of the lymphoma after the initial treatment. Two of these patients had a recurrence inside the radiation field. No clear dose response relationship was observed and no significant prognostic factors for
the
in-field recurrences were identified because of the small number of in-field recurrences. However, for patients with tumors <5 §¯ in diameter, there were no in-field recurrences after a radiation dose 30 §í. The 2 in-field recurrences encountered
occurred in patients with a tumor ¡Ã5 §¯.

Conclusion: A dose of 30 §í is sufficient for local control in patients with a non-bulky (<5 §¯), localized, diffuse large cell non-Hodgkin's lymphoma when combined with chemotherapy. An additional boost dose in the primary site is
recommended
for patients with bulky tumors (¡Ã5 §¯).

Å°¿öµå

±¹ÇѼº µÎ°æºÎ ´ë¼¼Æ÷¼º ¸²ÇÁÁ¾; Ç×¾ÏÈ­Çйæ»ç¼± º´¿ë¿ä¹ý; ÀûÁ¤ ¹æ»ç¼± Á¶»ç¼±·®; Localized diffuse large cell lymphoma; Combined chemoradiotherapy; Optimal radiation dose;

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