Radiology Key

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…

Fig. 16.1 Vero4DRT system 16.2 Specification of Vero4DRT A system overview of Vero4DRT is shown in Fig. 16.2. The characteristic components of the system are an O-ring gantry, a beam delivery…

   Median tumor size BCLCa stage C Previous treatment Dose/fraction Prescription Local control rate Overall survival rate Toxicity ≧Grade 3 Author/year n (mm) (%) (%) (Gy/fr) (%) Bujold, 2013, Canada…

Category Intrafractional variations Interfractional variations Systematic Random Systematic Random Variation of CTV size Physiological processes Physiological processes Tumor reduction or swelling Physiological processes Variation of CTV position Change in treatment…