Clinical manifestations and pathogenesis of hydroxyapatite crystal deposition in juvenile dermatomyositis

Lauren M. Pachman*, Adele L. Boskey

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Pathologic deposition of mineral in the form of bone-like hydroxyapatite is a frequent occurrence in juvenile dermatomyositis (JDM) and other connective tissue diseases. Although the sizes of the mineral crystals in JDM are similar to those in bone, there is much more mineral in the deposits than there is in bone. Bone matrix proteins also accumulate associated with the deposits. The reasons for the formation of these deposits are not known. It is our hypothesis that persistent inflammation is a component of JDM and other hydroxyapatite deposition diseases. Other contributing factors are genetic, environmental, and physical chemical. This paper discusses the influence of inflammation on the deposition of hydroxyapatite, with emphasis on the clinical and environmental factors that may facilitate the formation of calcific deposits in JDM.

Original languageEnglish (US)
Pages (from-to)236-243
Number of pages8
JournalCurrent rheumatology reports
Volume8
Issue number3
DOIs
StatePublished - Jun 2006

ASJC Scopus subject areas

  • Rheumatology

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