Abstract
Aims
To analyze the clinical and therapeutic aspects of patients with primary tonsillary non-Hodgkin's lymphoma.
Methods
Twenty-eight patients with primary tonsillary non-Hodgkin's lymphoma who had been followed in the Hacettepe Oncology Institute between 1974 and 1992 were retrospectively analyzed. Fifteen patients were male, 13 were female. Median age was 55 years.
Results
Constitutional symptoms were present in 10 patients (35.7%). Stages according to the Ann Arbor classification were I and II in 12 and 16 patients, respectively. According to the Rappaport classification, poorly differentiated lymphocytic was the most common pathologic subgroup (42.9%). Grades according to the Working Formulation were low, intermediate and high in 3, 22 and 3 patients, respectively. Twenty-two patients had received chemotherapy. Cyclophosphamide, vincristine and prednisone (CVP), and cyclophosphamide, doxorubicin, vincristine and prednisone (CHOP) were the regimens most commonly employed. Eighteen patients received radiotherapy to Waldeyer's ring and neck. Eight patients achieved remission with chemotherapy plus radiotherapy, 7 patients with chemotherapy alone, and 5 patients with radiotherapy alone. In addition to the 20 patients who achieved complete remission, 3 patients achieved partial remission; the overall response rate was 82.1%. The response rates and survival attained with the combined modality, chemotherapy, or radiotherapy alone were not statistically different (P > 0.05). The median follow-up was 14 months. Overall and disease-free survival at 5 years were 62.6% and 77.6%, respectively. Pathologic grade was the most important prognostic factor influencing overall survival in the Cox multivariate model.
Conclusions
Poorly differentiated lymphocytic lymphomas were the most common pathologic subtype, and pathologic grade was the most important prognostic factor to influence survival in the present study. Although combined modality treatment did not appear to be superior to chemotherapy or radiotherapy alone, a larger number of patients is needed to draw definite conclusions.
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