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J Wrist Surg 2020; 09(01): 071-075
DOI: 10.1055/s-0039-1683929
Case Report
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Hypertrophic Pisiform: A Case of Osteoid Osteoma

Keiko Hori
1   Department of Orthopaedic Surgery, School of Medicine, Keio University, Tokyo, Japan
,
Toshiyasu Nakamura
2   Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare, Tokyo, Japan
,
Kazuki Sato
1   Department of Orthopaedic Surgery, School of Medicine, Keio University, Tokyo, Japan
,
Hiroyasu Ikegami
3   Department of Orthopaedic Surgery, Toho University School of Medicine (Ohashi), Tokyo, Japan
,
Yoshiaki Toyama
1   Department of Orthopaedic Surgery, School of Medicine, Keio University, Tokyo, Japan
› Author Affiliations
Further Information

Publication History

24 January 2019

15 February 2019

Publication Date:
01 April 2019 (online)

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Abstract

We treated an extremely rare case of osteoid osteoma of the pisiform. Pisiform hypertrophy caused persistent pain and ulnar nerve irritation at Guyon's canal after the initial trauma. The re-enlargement of the pisiform attracted our attention allowing us to ultimately diagnose the condition as osteoid osteoma and treat the patient with a successful clinical result.

Keywords

osteoid osteoma - pisiform - hypertrophic change
 

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