CHORUS
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rickets
relative or absolute deficiency of vitamin D
- presents by 3-6 months, almost always < 2 yrs
- loss of zone of provisional calcification
- wide physis (> 1 mm)(increased osteoid)
- cupping, fraying + irregularity of metaphyses
- bowing of long bones
- decreased bone density
- rachitic rosary
- periosteal reaction
Charles E. Kahn, Jr., MD - 2 February 1995
Last updated: 1 October 2013
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Copyright © 2013, Charles E. Kahn, Jr.