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Common Peroneal Nerve Compression Neuropathy Due to a Large Synovial Cyst From the Proximal Tibiofibular Joint in a Teenager

Ganglion cysts are very rare in the lower limb and when present, ganglion cysts rarely cause compression neuropathy at any site. Peripheral nerve sheath tumors as a whole, are also very rare and mostly presented as a painful lump along the nerve path. Ganglion cysts are non-neoplastic gelatinous cys...

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Detalles Bibliográficos
Autores principales: Khalefa, Mohamed A, Hussain, Shakir, Bache, Edwards C
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Cureus 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10625661/
https://www.ncbi.nlm.nih.gov/pubmed/37933352
http://dx.doi.org/10.7759/cureus.46562
Descripción
Sumario:Ganglion cysts are very rare in the lower limb and when present, ganglion cysts rarely cause compression neuropathy at any site. Peripheral nerve sheath tumors as a whole, are also very rare and mostly presented as a painful lump along the nerve path. Ganglion cysts are non-neoplastic gelatinous cysts, which lack true synovial lining. They can be divided into intraneural cysts which can be found within the epineurium of a peripheral nerve and lead to signs and symptoms of peripheral neuropathy or extraneural cysts which can develop from surrounding joints or tendon sheaths causing gradual nerve compression. Intraneural tumors of common peroneal nerve (CPN) are widely reported in the literature with varying degrees of symptoms; however, there are only a few case reports describing CPN palsy due to extraneural cysts. We are reporting a rare case of atraumatic CPN palsy, which resulted in irreversible foot drop in a teenage boy who presented with right leg radiating calf and foot pain. We recommend prompt investigation and excision of the cyst to decompress the nerve to increase the chances of early recovery and favorable outcomes.