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George M. Weisz, MD
Chicago

JAMA. 1970;214(10):1889.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

Summarizing his anatomical study on the pararenal venous system, Anson in 1947 wrote:

The left renal vein is found to be situated at the core of an impressive set of venous plexuses and veins: inferior phrenic and suprarenal tributaries enter from above; from below and to the side come spermatic (or ovarian), capsular, lumbar, and ascending lumbar veins, and the anomalous vena cava. Additionally, communication is made with azygos and hemiazygos veins (usually through lumbars) and with the extensive set of internal and external plexuses by way of intervertebral and lumbar veins.

These findings were proved further by cadaveric studies, with surgical applications by Erlik et al in 1962 (as cited above). Their final 1965 results, employing urinary output and urine specific gravity measurements, study of electrolytes, use of excretory urography, differential phenolsulfonphthalein studies, and radioactive kidney scans, showed that: "Ligation and even complete section of the . . . [Full Text PDF of this Article]

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