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Short-time splenic irradiation for splenomegaly
A U Schratter-Sehn1, M Cerveny, H Simmel
1Institute of Radio-Oncology, Kaiser-Franz-Josef Hospital, Vienna, Austria. annemarie.schratter@kfj.magwien.gv.at
Onkologie
|March 8, 2003
Summary
Short-time splenic irradiation effectively reduces spleen size and improves symptoms in patients with hematologic diseases. This approach offers a faster treatment course compared to low-dose prolonged schedules, with no significant hematologic complications observed.
Area of Science:
- Oncology
- Radiotherapy
Background:
- Splenic irradiation is a standard treatment for splenomegaly in lymphoepithelial and hemopoietic diseases.
- Assessing the efficacy and tolerance of a new short-time irradiation schedule against low-dose prolonged schedules is crucial.
Purpose of the Study:
- To compare the tolerance and efficacy of a new short-time splenic irradiation schedule (2 Gy/fract.) with low-dose prolonged schedules (< or = 1 Gy/fract.).
- To evaluate symptom relief in patients with splenomegaly-associated conditions.
Main Methods:
- Retrospective analysis of 49 patients undergoing 85 treatment courses for various hematologic diseases between 1996 and 2002.
- Comparison of short-time (72 courses) versus low-dose prolonged (13 courses) irradiation schedules.
- Evaluation of spleen volume reduction, clinical improvement, and hematologic parameters post-treatment.
Main Results:
- A >10% reduction in spleen volume was observed in 55 patients (77% in short-time group vs. 62% in low-dose group).
- Clinical improvement was achieved in 62 patients (80% in short-time group vs. 38% in low-dose group).
- No significant hematologic abnormalities were detected in either group, even with multiple irradiation courses.
Conclusions:
- The short-time irradiation schedule provides a rapid response, improving pain and associated symptoms more quickly than low-dose prolonged schedules.
- Both 2 Gy/fract. and < or = 1 Gy/fract. schedules demonstrated comparable safety regarding hematologic abnormalities.
- Short-time splenic irradiation is an effective and well-tolerated treatment option for splenomegaly.