Distal Renal Tubular Acidosis

KP Kulkarni, S Kaur.
Department of Pediatrics, PGIMER, Chandigarh, India.

Dr Ketan P Kulkarni, APC, PGIMER, Chandigarh, India
A 2 year old male child with failure to thrive and polyuria. He has non-anion gap metabolic acidosis with hypokalemia. Urine pH was More than 5.5.

What is the diagnosis?

X-ray shows bilateral medullary nephrocalcinosis. The etiological diagnosis of medullary nephrocalcinosis included distal Renal Tubular Acidosis {RTA}, hyperparathyroidism, hyperthyroidism, hypercalciuria, vitamin D intoxication, frusemide. Other rarer causes include sarcoidosis, renal trauma, fungal infections of kidney and immobilization. In this child the diagnosis is Distal RTA.

E-published: April 2009, Vol 6, Issue 4, Art # 22
Compliance with ethical standards
Funding:  None  
Conflict of Interest:  None
Cite this article as:
Kulkarni K, Kaur S. Distal Renal Tubular Acidosis with nephrocalcinosis. Pediatr Oncall J. 2009;6: 35.
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