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Five year old white male followed during the last year with fasting urine glucose levels ranging from 100 mg/dl to 250 mg/dl. There is a significant family history of diabetes (both sides of family) and the child has recent history of polyuria and weight loss. However, fasting blood glucose levels do not correlate to urine glucose levels and are ususally high normal or slightly above normal (most recent was 99). Oral GTT 30 minute blood glucose peak was 252 mg/dl. Question? Why is there no correlation of blood glucose to urine glucose and should this child be evaluated for diabetes by an endocrinologist? Is this a normal variance in renal threshold?

This situation definitely needs further evaluation, by a pediatric endocrinologist. Family history, and symptoms, and urine sugar positive, and at least one high blood sugar, equals diabetes unless pediatric endocrinologist says otherwise.

Original posting 21 Feb 96


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Last Updated: Tuesday April 06, 2010 15:08:52
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