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Henry Schneiderman, MD
The University of Connecticut Health Center Farmington

JAMA. 1989;262(13):1771-1772.

	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.—

The article on unilateral absence of a palpable vas deferens by Donahue and Fauver¹ is an important contribution. I wonder if the authors have data on whether the presence of bilateral vasa deferentia excludes unilateral renal agenesis. This would be most helpful and, if substantiated in large series, could avoid the use of excretory urograms or ultrasound studies merely to establish the presence of two kidneys in, for example, potential renal donors. If the authors do not have data on a substantial number of patients with solitary kidneys as established by conventional imaging, I would propose the creation of a registry to address this issue.

On another issue, in the age of infection control and universal precautions, I would recommend one modification in their technique for physical examination of the vas deferens, namely, the use of gloved hands bilaterally. Sensitivity for palpation with a glove on . . . [Full Text PDF of this Article]

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