Distal Renal Tubular Acidosis

 
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Question :
Kulkarni KP, Kaur S
Department of Pediatrics, PGIMER, Chandigarh, India

Address for correspondence: Dr Ketan P Kulkarni, APC, PGIMER, Chandigarh, India Email: ketanpkulkarni@gmail.com

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_?
Expert Opinion :
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

Correct Answers : yes  47%

Last Shown : Apr 2009
 
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