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±¹¼Ò¼º Aggressive ºñÈ£ÁöŲ ¸²ÇÁÁ¾¿¡ ´ëÇÑ CHOP(Cyclophosphamide, Doxorubicin, Vincristine, Prednisolone) º¹ÇÕÈ­Çпä¹ý ¹× ħ¹üºÎÀ§ ¹æ»ç¼± Ä¡·áÀÇ È¿°ú Primary CHOP Chemotherapy Followed by Involved Field Radiation Therapy in Clinical Stage I or II Aggressive Non-Hodgkin's Lymphomas

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Abstract

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Purpose: Although radiation therapy had been the treatment of choice for localized
non-Hodgkin's lymphoma(NHL), recent studies have revealed that treatment result after
radiation therapy alone is not successful for localized aggressive NHL, if it is not
pathologically but clinically staged. A prospective phase II trial was conducted to
evaluate the therapeutic results of 4 cycles of CHOP chemotherapy followed by involved
field radiation therapy in clinically staged localized aggressive NHL.
Materials & Methods: Patients with a diagnosis of aggressive NHL(all intermediate
grade and immunoblastic histology in NCI working formulation), Ann Arbor stage I or II
without poor prognostic factors(presence of B symptoms, bulky diseases, or 2 or more
extranodal involvement) were treated with 4 cycles of CHOP(cyclophosphamide,
doxorubicin, vincristine, prednisolone) followed by involved field radiation therapy of
3,000¡­6,000(median: 4,500) cGy.
Results: Between April 1990 and March 1995, 62 consecutive patients entered this trial.
Forty six patients with measurable diseases were evaluable for response. Complete
response was achieved in 41(89.1%) patients after CHOP chemotherapy and 4 more
patients after subsequent radiation therapy, making total CR rate of 98%. Progression
free survival(PFS) of all 62 patients were 2.2+ ¡­73+ months and 5 year PFS rate was
64.6%. Overall survival(OS) were 2.4+ ¡­75+ months and 5 year OS rate was 75.2%. Old
age( > 60) was the only significant prognostic factor, which - affected overall survival
negatively. Treatment was relatively well tolerated, but 3 patients died associated with
treatment.
Conclusions: Four cycles of CHOP chemotherapy followed by involved field radiation
therapy is highly curative and safe treatment for clinically staged, localized aggressive
NHLs.

Å°¿öµå

Localized aggressive non-Hodgkin's lymphoma; CHOP chemotherapy; Involved field radiation therapy;

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