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KMID : 0860920040060020165
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Journal of the Korean Association EMG-Electrodiagnostic Medicine
2004 Volume.6 No. 2 p.165 ~ p.169
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The Relationship of Internal Topography of Peroneal Nerve at the Fibular Head and Electrodiagnositc Findings
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Jung Tae-Du
Kim Jae-Ho
Oh Byung-Mo
Kim Jung-Hwan
Chung Sun-Gun
Han Tai-Ryoon
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Abstract
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Objectives: To find the relationship of internal topography of peroneal nerve at the fibular head and
electrodiagnositc findings
Method: Six limbs of 3 cadavers are evaluated to know how the peroneal nerve is innervating the muscles
of lower extremity. We observed the fibular tunnel and extracted the peroneal nerve at that point. We
stained it with hematoxillin-and-eosin and observed internal topography of peroneal nerve with
microscopy. Additionally we compared it with electrodiagnostic findings of 24 patients with peroneal
neuropathy.
Results: In cadaver dissection, we observed that peroneal nerve has many nerve fascicles and is innervating
the muscles of lower extremity with a rule. Superficial peroneal nerve (SPN) is located most laterally.
Deep peroneal nerves (DPN) to extensor digitorum longus (EDL), extensor hallucis longus (EHL),
extensor digitorum brevis (EDB), tibialis longus (TA) are in order from laterally to medially. In electrodiagnostic
studies of 24 patients, 3 nerve fascicles of SPN and DPN to EDB, TA are evaluated. Among
them, 16 patients are common peroneal neuropathy and 8 patients are deep peroneal neuropathy. In 22
limbs of the former, the abnormalities of SPN, DPN to EDB, TA are 22, 22, 8 limbs in order at nerve conduction
study (NCS) and 22, 21, 17 limbs in order at electromyographic study (EMG) respectively. In 11
limbs of the latter, the abnormalities of DPN to EDB, TA are 10, 2 limbs in order at NCS and 11, 11
limbs in order at EMG respectively.
Conclusion: We observed SPN, DPN to EDL, EHL, EDB, TA are in order from laterally to medially.
We can find there is the relationship of internal topography at the fibular head and electrodiagnositc findings
in peroneal nerve
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KEYWORD
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Peroneal nerve, Internal topography, Electrodiagnosis
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