The American College of Radiology (ACR) and the Radiological Society of North America (RSNA) have developed sophisticated websites that can answer many of your questions.
For information about diagnostic radiology - CT, MRI, ultrasound, mammography, and plain films. Click here
For information about interventional radiology - angiography, venography, biopsy, embolization, clot lysis, stent placement. Click here
For information about nuclear medicine radiology - bone scan, PET scan, V/Q scan, Lymphoscintigraphy, etc. Click here
For a look at images of the body created by various imaging techniques. Click here
For an explanation of what a Radiologist does and why they are important physicians in your health care. Click here
For short informational videos about various radiologic procedures. Click here