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VITAMIN D-DEPENDENT RICKETS, TYPE 2A (VDDR2A)

VITAMIN D-DEPENDENT RICKETS, TYPE 2A (VDDR2A)
VITAMIN D-DEPENDENT RICKETS, TYPE 2A, WITH OR WITHOUT ALOPECIA
277440
OMIM = Online Mendelian Inheritance of Men
93160
Vitamin D3 receptor
12q13.11
rare
autosomal recessive
Laboratory findings    Calcium dec (serum)
    Parathyroid hormone (PTH) inc (plasma)
    Phosphatase, alkaline inc (serum)
    Phosphate dec (serum)
    Vitamin D inc (plasma)
Symptoms   chest deformity
   defect of walking, running, rising or climbing
   epiphysis, delayed opacification
   failure to thrive
   head, posterior flattening of the skull
   hypoplastic enamel (thin)
   hypotonia
   motor retardation
   muscle weakness
   prominent abdomen
   prominent forehead
   seizures
   skeletal changes, skeletal abnormalities
   Teeth: delayed eruption or noneruption
   thin bony cortex
   widened cranial sutures
    
    alopecia
    bone fractures
    bowing of the legs
    dental caries
    growth retardation, poor growth
    hearing defect, deafness
    irritability
    limb abnormalities, limb deformities
    onset, infancy
    rickets
    skin defects