Dysosteosclerosis Presents as an “Osteoclast-Poor” Form of Osteopetrosis: Comprehensive Investigation of a 3-Year-Old Girl and Literature Review
2010

Dysosteosclerosis: A Rare Bone Disease in a Young Girl

Sample size: 1 publication Evidence: moderate

Author Information

Author(s): Michael P Whyte, Deborah Wenkert, William H McAlister, Deborah V Novack, Angie R Nenninger, Xiafang Zhang, Margaret Huskey, Steven Mumm

Primary Institution: Shriners Hospital for Children, St Louis, MO, USA

Hypothesis

How osteopenia follows in dysosteosclerosis is an enigma of human skeletal pathobiology.

Conclusion

Dysosteosclerosis is a distinctive osteoclast-poor form of osteopetrosis associated with reduced bone remodeling.

Supporting Evidence

  • Dysosteosclerosis features short stature and fractures, similar to osteopetrosis.
  • The patient showed significant skeletal abnormalities including metaphyseal widening and sclerosis.
  • Bone histology revealed unresorbed primary spongiosa and a lack of osteoclasts.

Takeaway

Dysosteosclerosis is a rare bone disease that makes bones very dense but also very fragile, leading to fractures.

Methodology

The study involved clinical, biochemical, radiologic, histopathologic, and genetic investigations of a young girl with dysosteosclerosis.

Limitations

The genetic basis for dysosteosclerosis remains unclear, and the study is based on a single case.

Participant Demographics

The participant was a 3-year-old American girl.

Digital Object Identifier (DOI)

10.1002/jbmr.131

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