Radiology Key

(3.1) The radiation used in radiation therapy includes high-energy X-rays and gamma rays, which are types of electromagnetic waves. Their energy in radiation therapy is expressed in the unit of…

Author (year) N Total dose (Gy) Daily dose (Gy) Reference point Local control Median follow-up Arimoto et al. (1998) [3] 24 60 7.5 Isocenter 92 % (not described) 24 months Uematsu et…

Fig. 18.1 Illustrative explanation of the image based phase recognition using NCC between adjacent projections in a limited area (yellow box), which is shifted along with the cranio-caudal axis on…

Fig. 6.1 Stereotactic body frame (Elekta): Patient setup using diaphragm control in SBRT. Breathing-related movement of tumor can be controlled Fig. 6.2 Body FIX (Elekta): Patient setup using diaphragm control…

and is fixed as E 1, that is (19.1)Since the doses for the OAR are denoted as δd 1, δd 2, …, δd N , the damage effect on the OAR (E 0…

Fig. 10.1 Absolute overall displacement for six nonpatient subjects immobilized with the thermoplastic mask system. No repositioning was made for the whole test period (From Ref. [8]) So far, prescribe…

Fig. 2.1 Relative surviving fractions of EMT6 and SCCVII cells after 8 Gy given without a break or in 5 fractions at various intervals. Cell survival after continuous 8-Gy irradiation was…

Fig. 7.1 An example of simple way of abdominal compression using bolus and body-shell   3. Learning of regular respiratory patterns Respiration with regular rhythm within fixed breathing range is…

Organ at risk JCOG 0403 (4 fractions) RTOG 0618 (3 fractions) JROSG10-1 (8 fractions) RTOG 0813 (5 fractions) Spinal cord ≤25 Gy ≤18 Gy ≤35.5 Gy ≤30 Gy (22.5 Gy < 0.25 cc)…

Study Site Technique # of patients Measurement Repeatability (1SD, CC) Hanley et al. (1999) [30] Lung DIBH 9 Diaphragm 0.9 mm Remouchamps et al. (2003) [31] Breast mDIBH 14 Lung surface…