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A) Dec 2015: Before surgical removal, ectopic calcifications (arrow) in keeping with calcific periarthritis from hydroxyapatite crystal deposition are characteristic of adult HPP. B) Feb 2016: Two months after surgery, ectopic calcification has been partially removed. C) Feb 2021: Five years after surgery and 3.5 years of TPTD treatment, ectopic calcification is not increased.
