| Combined Chemotherapy and Radiotherapy versus Radiotherapy alone in the Management of Localized Angiocentric Lymphoma of the Head and Neck |
| Sei Kyung Chang, Gwi Eon Kim, Sang wook Lee, Hee Chul Park, Hong Ryull Pyo, Joo Hang Kim, Sun Rock Moon, Hyeong Sik Lee, Eun Chang Choi, Kwang Moon Kim |
1Department of Radiation Oncology, Yonsei University, College of Medicine, Korea.
2Department of Internal Medicine, Yonsei University, College of Medicine, Korea.
3Department of Otolaryngology, Yonsei University, College of Medicine, Korea.
4Department of Radiation Oncology, Ulsan University, College of Medicine, Korea.
5Department of Radiation Oncology, Hallym University, College of Medicine, Korea.
6Department of Radiation Oncology, Wonkwang University, College of Medicine, Korea.
7Department of Radiation Oncology, Dong-A University, College of Medicine, Korea. |
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| ABSTRACT |
PURPOSE:
To clarify the clinical benefit derived from the combined modality therapy (CMT) consisting of chemotherapy (CT) and involved field radiotherapy (RT) for stage I and II angiocentric lymphomas of the head and neck.
MATERIALS AND METHODS:
Of 143 patients with angiocentric lymphoma of the head and neck treated at our hospital between 1976 and 1995, 104 patients (RT group) received involved field RT alone with a median dose of 50.4 Gy (range : 20-70 Gy), while 39 patients (CMT group) received a median 3 cycles (range : 1-6 cycles) of CT before involved field RT. The response rate, patterns of failure, complications, and survival data of the RT group were compared with those of the CMT group.
RESULTS:
Despite a higher response rate, local failure was the most common pattern of failure in patients of both groups. The patterns of failure, including the systemic relapse rate were not influenced by the addition of combination CT. Although both modalities were well tolerated by the majority of patients, aberrant immunologic disorders or medical illnesses, such as a hemophagocytic syndrome, sepsis, intractable hemorrhage, or the evolution of second primary malignancies were more frequently observed in patients of the CMT group. The prognosis of patients in the RT group was relatively poor, with a 5-year overall actuarial survival rate of 38% and disease-free survival rate of 32%, respectively. However, their clinical outcome was not altered by the addition of systemic CT. Achieving complete remission was the most important prognostic factor by univariate and multivariate analyses, but treatment modality was not found to be a prognostic variable influencing survival.
Conclusions : Involved field RT alone for angiocentric lymphoma of the head and neck was insufficient to achieve an improved survival rate, but the addition of CT to involved field RT failed to demonstrate any therapeutic advantage over involved field RT alone. |
| Key Words:
Chemotherapy, Radiotherapy, Angiocentric lymphoma |
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