Adult hypophosphatasia with painful periarticular calcification treated with surgical resection

Keiichiro Iida, Jun-Ichi Fukushi, Toshifumi Fujiwara, Yoshinao Oda, Yukihide Iwamoto

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)

抄録

Hypophosphatasia is a rare inherited disorder characterized by a low serum alkaline phosphatase (ALP) activity and defective bone mineralization. Adult hypophosphatasia typically manifests in middle-age as a result of osteomalacia with recurrent stress fractures of the lower limb. However, considerable variation occurs in the clinical expression of hypophosphatasia, and no curative treatment has yet been established. We herein report a case of adult hypophosphatasia with painful calcific periarthritis, which showed improvement after surgical resection. A 32-year-old male was referred to our clinic complaining of pain in his elbows and knees. A painful subcutaneous mass was palpable on his right lateral epicondyle, where periarticular calcification was detected by plain radiography. The laboratory data showed a slight decrease in serum ALP activity and bone mineral density, and an elevation in the urinary phosphoethanolamine. Genomic DNA sequencing revealed an F310L mutation and a Y246H polymorphism in the tissue-nonspecific alkaline phosphatase gene, confirming the diagnosis of hypophosphatasia. The pain in the patient's right elbow was not responsive to nonsteroidal anti-inflammatory drugs, and triamcinolone diacetate was locally injected for treatment. His symptoms were ameliorated after the injection; however, they recurred in 3 months, and he became refractory to additional steroid injection. Surgical debridement of the calcified lesion was performed, and his symptoms were successfully ameliorated after the surgery.

元の言語英語
ページ(範囲)722-725
ページ数4
ジャーナルJournal of Bone and Mineral Metabolism
30
発行部数6
DOI
出版物ステータス出版済み - 11 1 2012

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Hypophosphatasia
Alkaline Phosphatase
Elbow
Periarthritis
Pain Clinics
Physiologic Calcification
Osteomalacia
Stress Fractures
Injections
Patient Rights
Debridement
Serum
DNA Sequence Analysis
Radiography
Bone Density
Lower Extremity
Knee
Anti-Inflammatory Agents
Steroids
Pain

All Science Journal Classification (ASJC) codes

  • Endocrinology, Diabetes and Metabolism
  • Orthopedics and Sports Medicine
  • Endocrinology

これを引用

Adult hypophosphatasia with painful periarticular calcification treated with surgical resection. / Iida, Keiichiro; Fukushi, Jun-Ichi; Fujiwara, Toshifumi; Oda, Yoshinao; Iwamoto, Yukihide.

:: Journal of Bone and Mineral Metabolism, 巻 30, 番号 6, 01.11.2012, p. 722-725.

研究成果: ジャーナルへの寄稿記事

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