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Deep peroneal nerve palsy caused by an extraneural ganglion cyst: a rare case.

Nikolopoulos D, Safos G, Sergides N, Safos P - Case Rep Orthop (2015)

Bottom Line: The most frequent location of occurrence is the common peroneal nerve and its branches, at the level of the fibular neck.The diagnosis was made preoperatively using MRI.Two months after surgery, the patient was pain-free and asymptomatic except for cutaneous anesthesia in the distribution of the deep peroneal nerve.

View Article: PubMed Central - PubMed

Affiliation: Orthopaedic Department, Central Clinic of Athens, 31 Asklepiou Street, 10680 Athens, Greece.

ABSTRACT
Lower extremities peripheral neuropathies caused by ganglion cysts are rare. The most frequent location of occurrence is the common peroneal nerve and its branches, at the level of the fibular neck. We report the case of a 57-year-old patient admitted with foot drop, due to an extraneural ganglion of the upper tibiofibular syndesmosis, compressing the deep branch of the peroneal nerve. Although there have been many previous reports of intraneural ganglion involvement with the lower limb nerves, to our knowledge, this is the second reported occurrence of an extraneural ganglion distinctly localized to the upper tibiofibular syndesmosis and palsying deep peroneal nerve. The diagnosis was made preoperatively using MRI. The common peroneal nerve and its branches were recognized and traced to its bifurcation during the operation, and the ganglion cyst was removed. Two months after surgery, the patient was pain-free and asymptomatic except for cutaneous anesthesia in the distribution of the deep peroneal nerve.

No MeSH data available.


Related in: MedlinePlus

Left knee MRI demonstrated a lobulated, multilocular, and well-demarcated cystic-appearing mass medial to the fibular head (ganglion).
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fig1: Left knee MRI demonstrated a lobulated, multilocular, and well-demarcated cystic-appearing mass medial to the fibular head (ganglion).

Mentions: Electromyogram studies of the CPN and its branches demonstrated significant neuropathic abnormalities of the DPN. No abnormality was found in the muscles innervated by the tibial nerve. Subsequent left knee MRI demonstrated a lobulated, multilocular, and well-demarcated cystic-appearing mass medial to the fibular head. It measured approximately 3.2 cm × 2.5 cm × 2 cm (Figure 1). The lesion was located anteromedial to the fibular neck, anterior of the upper tibiofibular syndesmosis, compressing the DPN.


Deep peroneal nerve palsy caused by an extraneural ganglion cyst: a rare case.

Nikolopoulos D, Safos G, Sergides N, Safos P - Case Rep Orthop (2015)

Left knee MRI demonstrated a lobulated, multilocular, and well-demarcated cystic-appearing mass medial to the fibular head (ganglion).
© Copyright Policy - open-access
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC4302346&req=5

fig1: Left knee MRI demonstrated a lobulated, multilocular, and well-demarcated cystic-appearing mass medial to the fibular head (ganglion).
Mentions: Electromyogram studies of the CPN and its branches demonstrated significant neuropathic abnormalities of the DPN. No abnormality was found in the muscles innervated by the tibial nerve. Subsequent left knee MRI demonstrated a lobulated, multilocular, and well-demarcated cystic-appearing mass medial to the fibular head. It measured approximately 3.2 cm × 2.5 cm × 2 cm (Figure 1). The lesion was located anteromedial to the fibular neck, anterior of the upper tibiofibular syndesmosis, compressing the DPN.

Bottom Line: The most frequent location of occurrence is the common peroneal nerve and its branches, at the level of the fibular neck.The diagnosis was made preoperatively using MRI.Two months after surgery, the patient was pain-free and asymptomatic except for cutaneous anesthesia in the distribution of the deep peroneal nerve.

View Article: PubMed Central - PubMed

Affiliation: Orthopaedic Department, Central Clinic of Athens, 31 Asklepiou Street, 10680 Athens, Greece.

ABSTRACT
Lower extremities peripheral neuropathies caused by ganglion cysts are rare. The most frequent location of occurrence is the common peroneal nerve and its branches, at the level of the fibular neck. We report the case of a 57-year-old patient admitted with foot drop, due to an extraneural ganglion of the upper tibiofibular syndesmosis, compressing the deep branch of the peroneal nerve. Although there have been many previous reports of intraneural ganglion involvement with the lower limb nerves, to our knowledge, this is the second reported occurrence of an extraneural ganglion distinctly localized to the upper tibiofibular syndesmosis and palsying deep peroneal nerve. The diagnosis was made preoperatively using MRI. The common peroneal nerve and its branches were recognized and traced to its bifurcation during the operation, and the ganglion cyst was removed. Two months after surgery, the patient was pain-free and asymptomatic except for cutaneous anesthesia in the distribution of the deep peroneal nerve.

No MeSH data available.


Related in: MedlinePlus