A Case of Probable Hydroxyapatite Deposition Disease (HADD) of the Hip

Hiroyuki KURODA; Yumiko WADA; Kaoru NISHIGUCHI; Takumi NINOMIYA; Akihiro TAKAHAMA; Shinya SATO; Hajime KITAGAKI

doi:10.2463/mrms.3.141

Clinical Images

A Case of Probable Hydroxyapatite Deposition Disease (HADD) of the Hip

Hiroyuki KURODA, Yumiko WADA, Kaoru NISHIGUCHI, Takumi NINOMIYA, Akihiro TAKAHAMA, Shinya SATO, Hajime KITAGAKI

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Keywords: acute calcific periarthritis, calcium hydroxyapatite crystal, ilio-femoral ligament

JOURNAL OPEN ACCESS

2004 Volume 3 Issue 3 Pages 141-144

DOI https://doi.org/10.2463/mrms.3.141

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Abstract

We describe a patient with acute calcific periarthritis in an unusual site, the ilio-femoral ligament. The clinical findings in this patient resembled those of septic arthritis. T₂^*-weighted images with gradient field echo clearly showed foci of low signal intensity in this region, corresponding to the calcification shown on plain radiographs, and increased signal intensity around the foci, representing edema. These signal intensities were diagnostic of the disease.

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