Osteoid osteoma of the pisiform seems not to have been previously reported. In both the cases reported in this paper there was diagnostic difficulty and delay. Complete surgical removal of the nidus was curative. © 1985 The British Society for Surgery of The Hand, The Royal College of Surgeons, Lincoln's Inn Fields, London WC2A 3PN.
Kernohan, J., Beacon, J. P., Dakin, P. K., & Helal, B. (1985). Osteoid osteoma of the pisiform. Journal of Hand Surgery, 10(3), 411–414. https://doi.org/10.1016/S0266-7681(85)80079-6