Mock exam dosimetry - Study guides, Class notes & Summaries

It is discovered that a patient receiving 400 cGys daily has been given 25 fractions at 77 cm SSD instead of 80 cm SSD. Instead of the prescribed 10,000 cGy, the patient received: a. 9,264 cGy b. 9,628 cGy c. 10.390 cGy d. 10,794 cGy - d. 10,794 cGy If treating a supine patient isocentrically and assuming there is no table sag, given a tabletop (Z) of 13.5cm, an anterior SSD of 84cm, and a 100cm SAD machine, the expected posterior SSD would be? a. 86.5 cm b. 84 cm c. 97.5 cm d. 103.5 ...

It is discovered that a patient receiving 400 cGys daily has been given 25 fractions at 77 cm SSD instead of 80 cm SSD. Instead of the prescribed 10,000 cGy, the patient received: a. 9,264 cGy b. 9,628 cGy c. 10.390 cGy d. 10,794 cGy - d. 10,794 cGy If treating a supine patient isocentrically and assuming there is no table sag, given a tabletop (Z) of 13.5cm, an anterior SSD of 84cm, and a 100cm SAD machine, the expected posterior SSD would be? a. 86.5 cm b. 84 cm c. 97.5 cm d. 103.5 ...