Department of Orthopaedics - Hand Surgery Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma - Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168, Rome, Italy.
Department of Neurophysiology, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma - Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168, Rome, Italy.
Eur J Orthop Surg Traumatol. 2021 Apr;31(3):579-585. doi: 10.1007/s00590-020-02807-y. Epub 2020 Oct 17.
The entrapment of the ulnar nerve in Guyon's canal (GC) is a well-known wrist canalicular syndrome which is usually followed by a gradual combination of both sensitive and motor symptomatology. However, GC nerve compression could also cause a pure hand motor dysfunction. This condition, less frequent than the classic Guyon's syndrome, can be difficult to diagnose. Authors report a case series of eight patients affected by isolated compression of the ulnar nerve motor branch, due to piso-triquetrum or triquetro-hamate joint ganglia. Surgical technique and postoperative outcomes are discussed in this paper. The isolated compression of the ulnar nerve motor branch is a very rare clinical condition which is often linked to several causes. The rarity of the pathology is probably due to lack of knowledge and therefore to the difficulty in formulating a correct diagnosis. Surgical treatment appears to be decisive in most cases, although late diagnosis often leads to incomplete functional recovery.
腕管综合征中尺神经在 Guyon 管（GC）内嵌压是一种常见的腕管综合征，通常会逐渐出现感觉和运动症状的综合表现。然而，GC 神经受压也可能导致单纯手部运动功能障碍。这种情况比经典的 Guyon 综合征少见，可能难以诊断。作者报告了一系列 8 例因豆三角关节或三角钩骨关节神经节引起的单纯尺神经运动支受压的病例。本文讨论了手术技术和术后结果。尺神经运动支的单纯受压是一种非常罕见的临床情况，通常与多种原因有关。这种病理的罕见性可能是由于缺乏认识，因此难以做出正确的诊断。手术治疗在大多数情况下似乎是决定性的，尽管延迟诊断往往导致功能恢复不完全。
