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2002, Number 3

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Med Sur 2002; 9 (3)

Operation and quality control requirements in radiosurgery and stereotactic radiotherapy services

Valle RR, Valenzuela RR, Rojas CP, Pérez PMA, Gómez GE, Jaramillo MJ, Ramírez CV, Ruiz GS, Zenteno M, Corona R, Estrada VJ, Rojas HA, Calvo FA
Full text How to cite this article

Language: Spanish
References: 10
Page: 119-125
PDF size: 51.56 Kb.


Key words:

Lonizing radiation, quality control, single dose, dose fractionation, intracranial, extracranial, dynamic, intensity modulated, stereotaxy, magnetic resonance.

ABSTRACT

Radiosurgery is the delivery of high doses of ionizing radiation in a single fraction to small and well-delineated brain volumes localized stereotactically and through multiple narrow radiation beams converging to a point. Stereotactic radiotherapy has the same basis except that the dose is fractionated and can be delivered to extracraneal structures. Radiosurgery was developed 30 years ago by Lars Leksell, neurosurgeon from Sweden, however, its application in Mexico began until 1995. There are seven centers in operation in our country and at this time, there is not specific regulation or organization certifying training of professionals involved in the procedures. Therefore, a Stereotactic Radiosurgery and Radiotherapy section of the Mexican College of Neurological Surgery has been formed recently and gathered experts and other college members to provide the basic recommendations for the operation of stereotactic radiosurgery and radiotherapy centers. Minimal requirements for installation and operation of a radiosurgery and/or stereotactic radiotherapy center, profile of professionals involved in the treatment, proposed quality control programs and minimal equipment according to treatment modality are presented.


REFERENCES

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  2. Reglamento General de Seguridad Radiológica. Diario Oficial de la Federación. Noviembre 1988.

  3. Kondziolka D, Dempsey PK, Lunsford LD, Kestle JRW, Dolan EJ, Kanal E, Tasker RR-A comparison between magnetic resonance imaging and computed tomography for stereotactic coordinate determination. Neurosurgery 1992; 30(3): 402-6.

  4. Gauvin A. Geometrical distortion of magnetic resonance images. Master Thesis, McGill University, Mayo 1992.

  5. Posewitz A, Jones D, Young RE. Evaluating MRI inaccuracies. Proceedings of 7th Annual LGKS Mtg; 1995.

  6. Wallin A, Lubbert K. Correction of angiographic images for stereotactical convergence radiation. Electromedica 1998; 66(1): 8-11.

  7. The American Association of Neurological Surgeons Task Force, The American Society for Therapeutic Radiology and Oncology Task Force. Consensus Statement on Stereotactic Radiosurgery: Quality Improvement. Neurosurgery 1994; 34(1): 193.

  8. Flickinger JC, Lunsford LD, Kondziolka D, Maitz A. Potential human error in setting stereotactic coordinates for radiosurgery: implications for quality assurance. Int J Radiat Oncol Biol Phys 1993;27(2): 397-401.

  9. American Association of Physicist in Medicine Radiation Therapy Task Group 42. AAPM Report 54. Stereotactic Radiosurgery. New York, 1995.

  10. Sanders M, Sayeg J, Coffey CW, Patel P, Walsh J. Beam profile analysis using Gaf Chromic films. Stereotactic and Func Neurosurg 1993; 61: 124-9.




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Med Sur. 2002;9