CLINICAL STUDIES ON SELECTIVE ANGIOGRAPHY IN UROLOGY

PART II. SELECTIVE RENAL ANGIOGRAPHY IN VARIOUS UROLOGICAL DISEASES

Abstract

One hundred and twelve trials of selective renal angiography were carried out during September 1963 to April 1965 with the failure of 11 times (10%). Main causes of failure were for tortuous aorta and iliac artery due to arteriosclerosis and for stricture of renal artery.
The contrast media utilized were mainly 60% Conray which had low viscosity available for the rapid injection.
In this paper presentation is concerned to various renal diseases especially to renal tumor cases, showing the interesting films and discussing the characteristic findings and diagnostic features.
Abundant pathological vessels, A-V fistulas and pooling were usually demonstrated in malignant renal tumors. Tumor stain in nephrographic phase was irregular and in which pathological artery and pooling were evidently remained. Rapid appearance of venous phase was common.
Benign renal tumors on the contrary, showed no pathological vessels. In nephrographic phase filling defect with well defined borders was characteristic.
Nephrogram in renal cyst revealed beak-shaped appearance (Fig. 18, 20) and in polycystic kidney revealed wormeaten cortex (Fig. 22, 25).
Early changes of renal tuberculosis detectable in pyelography were not evident in angiogram.
However, angiograms were useful in visualizing renal contour and in judging the parenchymal impairment in end stadium cases of hydronephrosis, contracted kidney, motal kidney and so forth.
In discussion the author stressed the prevalence of selective renal angiography in the diagnosis of renal artery disorders and renal parenchymal changes especially in early diagnosis of renal tumors because of better visualization of small arterioles and nephrograms than in hithertofore abdominal aortography.