The Tohoku Journal of Experimental Medicine
Online ISSN : 1349-3329
Print ISSN : 0040-8727
ISSN-L : 0040-8727
Case Report
Hydroxyapatite Crystals in Tumoral Calcinosis: A Case Report
Masahito HatoriKouihi OomamiudaShoichi Kokubun
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1996 Volume 180 Issue 4 Pages 359-364

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Abstract

Calcified deposits of tumoral calcinosis from a 77-year-old Japanese woman were examined by scanning electron microscopy (SEM) and x-ray diffraction method. SEM revealed conglomerates of granular calcified materials 0.2 to 0.5 μm in size. X-ray diffraction method revealed the presence of hydroxyapatite that was highly crystallized. No other components such as calcium pyrophosphate dehydrate were detected.

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© 1996 Tohoku University Medical Press
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