ESTR specializes in fluoroscopy permit courses, which prepare the California Certified Radiologic Technologist (CRT) to take the California fluoroscopy permit exam. A permit course can be arranged at your place of work. To inquire about arranging a course at your workplace, send us an email

We also offer annual mammography seminars at Northridge Hospital Medical Center in the spring.


California State University, Northridge (CSUN) Radiologic Sciences Program

California Society of Radiologic Technologists (CSRT)