THE EFFICIENCY OF ACTIVE CONTROL METHOD OF LUNG RISE BY SOLITARY TUMORS IRRADIATION
Abstract
In this paper, we present the efficiency estimations of active breathing control with usage ABC system to ensure accuracy and reproducibility of patient positioning for hypofractionated or radiosurgery treatment of solitary lung tumors. The treatment procedures were holding on Elekta Axesse linac. Patients were positioning as for CT pretreatment scanning in supine position with hands behind their head and with using additional fixation (usually, knee and head support cushions). Patient’s position corrections were done with usage 3D imaging system XVI (Elekta AB) and robotic couch HexaPod to match isocenters the treatment plan and linac. It’s considered the interfraction patients’ offsets due to inaccurate setup and respiratory movements. It’s developed a protocol of choosing CTV-PTV margins for use in clinical practice, which is 5-9 mm, depending on anatomical directions. The margins have the greatest value in vertical (SI) and much lesser in transverse (LR) and longitudinal (AP) directions.
About the Authors
M. A. Efremov
Novosibirsk research institute of pathology of blood circulation of acad. E. N. Meshalkina
Russian Federation
Russian Federation
I. V. Bedny
Novosibirsk research institute of pathology of blood circulation of acad. E. N. Meshalkina
Russian Federation
Russian Federation
O. Yu. Anikeeva
Novosibirsk research institute of pathology of blood circulation of acad. E. N. Meshalkina
Russian Federation
Russian Federation
E. V. Kizhaev
Russian medical academy of Postgraduate Studies
Russian Federation
Russian Federation
O. A. Pashkovskaya
Novosibirsk research institute of pathology of blood circulation of acad. E. N. Meshalkina
Russian Federation
Russian Federation
E. S. Polovnikov
Novosibirsk research institute of pathology of blood circulation of acad. E. N. Meshalkina
Russian Federation
Russian Federation
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Review
For citations:
Efremov M.A., Bedny I.V., Anikeeva O.Yu., Kizhaev E.V., Pashkovskaya O.A., Polovnikov E.S. THE EFFICIENCY OF ACTIVE CONTROL METHOD OF LUNG RISE BY SOLITARY TUMORS IRRADIATION. Diagnostic radiology and radiotherapy. 2015;(2):89-94. (In Russ.)
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