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  • Title: Patchy renal vasoconstriction after exercise in a child without renal hypouricemia.
    Author: Watanabe T.
    Journal: Pediatr Nephrol; 2002 Apr; 17(4):284-6. PubMed ID: 11956883.
    Abstract:
    Here, I present a case of patchy renal vasoconstriction and renal injury in a girl without renal hypouricemia, following exercise and ingestion of an analgesic. For the previous 2 years, she had suffered from re-current abdominal pain following exercise. Postcontrast renal computed tomographic scan showed low-density patchy areas immediately after contrast medium injection, and then patchy wedge-shaped contrast enhancement 22 h later. These symptoms and signs are typical findings of patchy renal vasoconstriction. Although precise mechanisms for the development of patchy renal vasoconstriction after exercise in patients without renal hypouricemia remain obscure, both exercise and ingestion of an analgesic were active in the development of patchy renal vasoconstriction and renal injury in our patient.
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