CHORUS
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Musculoskeletal system
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vitamin D-resistant rickets
- X-linked dominant
defect in renal tubular resorption of phosphate
- presents in 1st yr
- progressive limb deformities
xray:
- less severe changes than other rickets
- presents later
DDx features:
- family hx
- normal serum calcium
- marked hypophosphatemia (decreased PO4)
- no secondary hyperPTH
Charles E. Kahn, Jr., MD - 2 February 1995
Last updated: 1 October 2013
Copyright © 2013, Charles E. Kahn, Jr.
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