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Papers of the Week

2020 Feb

J Wrist Surg



Hypertrophic Pisiform: A Case of Osteoid Osteoma.


Hori K, Nakamura T, Sato K, Ikegami H, Toyama Y
J Wrist Surg. 2020 Feb; 9(1):71-75.
PMID: 32025358.


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.