Osteoid osteoma of the pisiform

Osteoid osteoma of the pisiform: A case report

“…The most frequently involved carpal bones are the scaphoid and the capitate [5]. OO of the pisiform is exceptional and to the best of our knowledge we found only one report of OO occurring in the pisiform [6].…”

Hypertrophic Pisiform: A Case of Osteoid Osteoma

“…Many reports have revealed a tendency for a delay in the diagnosis of osteoid osteoma of the carpal bones. [1][2][3][4][5][6] One of the reasons is that patients often present with a history of wrist injury, or other suggestive diseases such as arthritis, carpal tunnel syndrome, ganglion, infection, or neuroma. Inflammatory reaction around the nidus often causes actual wrist arthritis or synovitis.…”

“…1 Osteoid osteoma in the pisiform bone is especially rare, and to the best of our knowledge, only five cases have been reported before. [2][3][4][5] One of the unique findings in this case was the hypertrophic change of the pisiform. Osteoid osteoma can cause hypertrophy of the pisiform.…”

Osteoid Osteoma of the Hamate as a Cause of Compression Neuropathy of the Ulnar Nerve in Guyon Canal (Case Report)

“…В ли-тературе описаны случаи сдавления локтевого нерва из-за аномалии крючковидной кости [9], раздвоения крючка крючковидной кости [12], коалиции (синхондроза) крючковидной и го-роховидной костей. J. Kernohan и соавторами описали два случая локализации опухоли в го-роховидной кости, проявляющихся синовитом и невралгией [15]. В доступной литературе нам не удалось найти описания случая невропатии локтевого нерва в канале Гийона вследствие развития остеоид-остеомы крючковидной кости.…”