Ulnar Neuropathy Caused by a Lipoma in Guyon’s Canal <b>—Case Report—</b>

Kyoji SAKAI; Takumi TSUTSUI; Mizuho AOI; Hiroshi SONOBE; Hiroshi MURAKAMI

doi:10.2176/nmc.40.335

Neurologia medico-chirurgica

Online ISSN : 1349-8029
Print ISSN : 0470-8105
ISSN-L : 0470-8105

Case Reports

Ulnar Neuropathy Caused by a Lipoma in Guyon’s Canal

—Case Report—

Kyoji SAKAI, Takumi TSUTSUI, Mizuho AOI, Hiroshi SONOBE, Hiroshi MURAKAMI

Author information

Keywords: ulnar nerve, Guyon’s canal, lipoma, tumor, entrapment neuropathy

JOURNAL OPEN ACCESS

2000 Volume 40 Issue 6 Pages 335-338

DOI https://doi.org/10.2176/nmc.40.335

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Abstract

A 74-year-old female presented with a 3-month history of compression neuropathy of the right ulnar nerve in Guyon’s canal. Magnetic resonance imaging and ultrasonography revealed the location of the mass lesion. Surgical exploration discovered a lipoma pressing against both the ulnar nerve and the ulnar artery. The mass was extirpated. The postoperative course was uneventful with good function recovery.

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