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Paul Gleich, MD
St Paul Ramsey Medical Center

JAMA. 1985;253(5):634-635.

	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.—

In the QUESTION AND ANSWER section¹ of the Sept 7, 1984, issue of THE JOURNAL, the evaluation of recurrent vomiting in a child is discussed.

When evaluating a child for recurrent vomiting, careful consideration should also be given to the possibility of intermittent hydronephrosis. A child with partial ureteral pelvic junction obstruction can produce hydronephrosis sufficient to cause vomiting that then resolves with dehydration. Examination while in the hospital often shows a normal collecting system bilaterally. A diuretic challenge of this collecting system is sometimes necessary to detect the inadequacy of the ureteral pelvic junction. . . . [Full Text PDF of this Article]

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