Radiology is the specialty directing medical imaging technologies to diagnose and sometimes treat diseases. Originally it was the aspect of medical science dealing with the medical use of electromagnetic energy emitted by X-ray machines or other such radiation devices for the purpose of obtaining visual information as part of medical imaging. Radiology that involves use of x-ray is called roentgenology. Wilhelm Conrad Roentgen first discovered x-radiation on 8 November 1895...
Interventional radiologists are radiologists who perform nonsurgical treatments for a number of medical conditions, most commonly vascular disease. Examples of these treatments include angioplasty, thrombolysis, atherectomy, embolization of bleeding vessels...