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Radiotherapy Department
Radiotherapy is a medical specialty that involves the use of sealed
radioactive sources to irradiate cancerous and a few other non-malignant
conditions. Ionizing radiation is effective in controlling a variety of
malignant tumors by limiting tumor size as well as spread to other areas
of the body.
The first step in radiotherapy is to accurately determine the size and
extent of the tumor. This is done with the help of a simulator. The
simulator is a fluoroscopic X-ray machine that simulates the conditions
on the treatment machine. Accurate localization of tumor prevents the
neighboring normal tissues from unwanted effects of radiations.
The second step is to prepare an accurate treatment plan. This is done
by a medical physicist using treatment planning software.
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