TREATMENT OF LYMPHOMAS WITH MEDIUM KILOVOLTAGE EQUIPMENT AND INCIDENCE OF RECURRENCES

¹ Radiology Service, Tampa General Hospital, Tampa, Florida
² Radiation Therapy Section, Radiology Service, Walter Reed General Hospital, Walter Reed Army Medical Center, Washington, D. C.

1. In spite of the variable dose initially used in the treatment of Hodgkin's disease, the long term survival is in the general range as compared to institutions where the initial tumor dose is above 2,500 r; however, the problem of local recurrences and subsequent retreatment to local sites remains a problem in cases where the initial tumor dose is below 3,000 r.

2. The response of lymphosarcoma, reticulum cell sarcoma and giant follicular lymphoma, as treated at this institution, does not indicate a homogeneous group as reported from other institutions. Only the giant follicular lymphoma appears to hold a satisfactory survival rate when treated by means of medium voltage therapy.

3. On the basis of our material, it would appear that an effort should be made to have patients with lymphosarcoma and reticulum cell sarcoma treated at institutions where supervoltage or cobalt 6o therapy is available.

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