Table 1.
Chambers readings values (Pico colon) and absorbed dose (cGy) in the irradiation of Anterior Posterior (AP) and oblique techniques.
Absorbed dose (cGy) | Chamber reading (pc) | Correction (P,T) factor | Pressure (hPa) | Temperature | SSD (cm) | Collimator angle | Gantry angle |
---|---|---|---|---|---|---|---|
8.76 | 59.5 | 2.162 | 876 | 22 | 206.5 | 0° | AP 0° |
6.95 | 47.2 | 2.162 | 876 | 22 | 95 | 0° | AP 318.5° |
6.95 | 47.2 | 2.162 | 876 | 22 | 95 | 0° | AP 42.5° |
2.03 | 13.8 | 2.162 | 876 | 22 | 238.5 | 45° | Oblique291.4° |
SSD: Source to Surface Distance, AP: Anterior Posterior