Application with Photoshop in Integrate block at the nasopharyngeal carcinoma

Subjective: to explore a method making Integrate block accord with target region and proving radiotherapy verification in accelerator with Photoshop in nasopharyngeal carcinoma.Method:One hundred patients with nasopharyngeal carcinoma were treated with radiotherapy using Integrate block.Verification and Localization film images were input into the computer using a scanner to adjust the image size,gray,contrast,registry and measurement error.Results:97 patients were treated Using this method,the coincidence rate is more than 95%.Important tissues such as cerebellum,pituitary,eyeball,etc were well protected and normally organizes dose were reduced significantly with the Integrate block technology,thus target dose were improved.Conclusion:Using Adobe Photoshop Integrate block conformed to target region can be made and radiation field and position can be accurately measured.It′s a simple,safe and reliable method.