Granular cell tumor: a rare tumor of the ulnar nerve

Case report

Gavin A. Davis M.B.B.S., F.R.A.C.S.
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  • Department of Neurosurgery, Cabrini Hospital, Victoria, Australia
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✓Granular cell tumors of the ulnar nerve are extremely rare, with only two cases previously reported in the English literature. The author presents a case of granular cell tumor of the ulnar nerve, in which the tumor was resected and the nerve was repaired with a nerve graft. The histopathological characteristics, imaging findings, and clinical data regarding these tumors are reviewed, and based on all the available evidence, a new treatment paradigm is proposed, which differs from that used in the earlier reported cases and takes into account the reported rate of tumor recurrence after incomplete resection.

Abbreviations used in this paper:LSUMC = Louisiana State University Medical Center; MR = magnetic resonance; PAS = periodic acid–Schiff.

✓Granular cell tumors of the ulnar nerve are extremely rare, with only two cases previously reported in the English literature. The author presents a case of granular cell tumor of the ulnar nerve, in which the tumor was resected and the nerve was repaired with a nerve graft. The histopathological characteristics, imaging findings, and clinical data regarding these tumors are reviewed, and based on all the available evidence, a new treatment paradigm is proposed, which differs from that used in the earlier reported cases and takes into account the reported rate of tumor recurrence after incomplete resection.

Abbreviations used in this paper:LSUMC = Louisiana State University Medical Center; MR = magnetic resonance; PAS = periodic acid–Schiff.

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Contributor Notes

Address reprint requests to: Gavin A. Davis, M.B.B.S., F.R.A.C.S., Suite 53—Neurosurgery, Cabrini Medical Centre, Malvern, Victoria 3144, Australia. email gadavis@netspace.net.au.

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