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Alderson Radiation Therapy phantom (ART)
ART phantoms are molded of tissue-equivalent material; they are designed within highly sophisticated technological constraints and follow ICRU-44 standard. They are also designed for accuracy and ease of use. The male ART represents a 175cm (5ft. 9in) tall, 73.5kg (162lbs), and the female ART represents a 155cm (5ft. 1in) tall, 50kg (110lbs) The ART phantom is transected-horizontally into 2.5cm thick slices.
Each slice has holes, which are plugged with bone-equivalent, soft-tissue-equivalent or lung tissue-equivalent pins which can be replaced by TLD holder pins. Soft tissue-equivalent coating produce slices with glass smooth interfaces. There coating are cut away over the air spaces of the oronasal pharynges, trachea and stem bronchi. Dosimetry holes are drilled in grid 3cm x 3cm or 1.5cm x 1.5cm in 5 and 7mm diameters. These afford detailed measurements of dose distributions. |