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A case of pheochromocytoma causing renal arterial stenosis in a hypertensive patient has been described. 2. When using a tip occluded catheter, it is wise to do a second injection without the obturator (similar to selective renal arteriography) in order to opacify vessels originating proximal to the end opening of the catheter.
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Straube et al. (1966) studied this question.
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