Question

A child with rachitic changes in limbs, which was not responding to Vitamin D. Investigations done shows
Calcium- 9.5mg/dl, Phosphorous- 1.6 mg/dl, ALP- 814 IU, Sr. PTH- 24.2.Sr. Electrolytes, Creatinine and blood gases- normal.Diagnosis?

• A. Vitamin D dependent rickets type 1
• B. Vitamin D dependent rickets type 2
• C. Hypophosphatemic rickets
• D. Chronic renal failure

Answer 1

Answer: (C)

Hypophosphatemic rickets

Answer 2

The correct option is (C) :Hypophosphatemic rickets