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Biomedical subjects

P J Van Blerk

Publications and source records attributed to P J Van Blerk.

12 recordsLinked to original sources
PubMed1978

Current concepts in congenital vesico-ureteral reflux.

Primary vesico-ureteric reflux must be graded according to severity. Significant reflux up a dilated ureter appears to be an important factor in causing renal damage. There is evidence in favour of the theory that the renal deterioration seen in some cases of reflux can be explained on a congenital basis of site or origin of the ureteral bud and resultant dysplasia of the developing kidney. Surgery should be reserved for selected patients with significant reflux.

Adult↗
PubMed1975

The angiographic evaluation of renal pelvic carcinoma.

The angiographic findings are described in 6 cases of renal pelvic carcinoma. An angiographic finding which has not hitherto been emphasised is a diminished branching of arteries in the kidney segment related to the pelvi-calyceal tumour--the "pruned-tree" appearance. This is generally associated with a deficiency of the nephrogram in the same segment. These appearances may be due to invasion of the renal parenchyma by tumour. However, the findings may occur also in the absence of parenchymal invasion by the tumour and therefore do not necessarily reflect the stage of the disease.

Aged↗