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Initial Clinical Results of Stereotactic Radiotherapy for the Treatment of Craniopharyngiomas (p. 51-60)

The efficacy and toxicity of stereotactic radiotherapy (SRT) for the treatment of craniopharyngioma has been retrospectively evaluated in 16 patients. The median tumor diameter was 2.8 cm (range 1.5-6.1) and the median tumor volume was 7.7 cc (range 0.7-62.8). SRT was delivered to a single isocenter using a dedicated 6 MV linear accelerator to patients immobilized with a relocatable stereotactic head frame. The three-year actuarial overall survival was 93% and the rate of survival free of any imaging evidence of progressive disease was 75%. The three-year actuarial survival rates free of solid tumor growth or cyst enlargement were 94% and 81% respectively. Our results suggest that SRT is a safe and effective treatment approach for patients with craniopharyngioma. Long-term follow-up is required to determine whether the normal tissue-sparing inherent with SRT results in reduction of the neurocognitive effects of conventional radiotherapy for craniopharyngioma. SRT can be delivered to craniopharyngioma that may be difficult to treat with stereotactic radiosurgery due to proximity of the optic chiasm. Further clinical experience is necessary to determine the clinical utility of beam shaping in the setting of SRT.




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TCRT February 2002

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Volume 1
No. 1 (p 1-94)
February 2002
ISSN 1533-0338

Michael T. Selch, M.D.1,4*
Antonio A.F. DeSalles, M.D., Ph.D.2,4
Maria Wade, BS 3
Steve P. Lee, MD, Ph.D.1,4
Timothy D. Solberg, Ph.D.1,4
Robert E. Wallace, Ph.D.1
Judith M. Ford, M.D., Ph.D.1,4
Gregory Rubino, M.D.2,4
Cynthia Cabatan-Awang, R.N.2
H. Rodney Withers, M.D., D.Sc.1,4

1Department of Radiation Oncology
2Division of Neurosurgery
3School of Medicine
4Jonsson Comprehensive Cancer Center
School of Medicine
University of California
Los Angeles CA 90095 USA
*selch@radonc.ucla.edu