The first balloon angioplasty performed by Dr.Charles T.Dotter in 1964 marked the birth of a new discipline in radiology(1),which was initially named''interventional diagnostic radiology''by Dr.Alexander R.Margulis in 1967(2),and later defined as''Interventional Radiology(IR)''by Dr.Sidney Wallace in 1976(3).Along with the wide adaptation of Seldinger’s technique for percutaneous vascular access(4),interventional radiology expanded the horizon of traditional radiology.
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