Tarsal Tunnel Syndrome Associated with an Accessory Muscle

Between 1986 and 1999, we surgically treated 41 patients (49 feet) with Tarsal Tunnel Syndrome (TTS) in whom seven (eight feet) were associated with an accessory muscle. An accessory flexor digitorum longus muscle was present in six patients, and an accessory soleus muscle was in one patient (both f...

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Bibliographic Details
Published in:Foot & ankle international 2003-02, Vol.24 (2), p.132-136
Main Authors: Kinoshita, Mitsuo, Okuda, Ryuzo, Morikawa, Junichi, Abe, Muneaki
Format: Article
Language:English
Subjects:
Adolescent
Adult
Child
Female
Follow-Up Studies
Humans
Male
Middle Aged
Muscle, Skeletal - abnormalities
Muscle, Skeletal - surgery
Retrospective Studies
Tarsal Tunnel Syndrome - etiology
Tarsal Tunnel Syndrome - surgery
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Summary:Between 1986 and 1999, we surgically treated 41 patients (49 feet) with Tarsal Tunnel Syndrome (TTS) in whom seven (eight feet) were associated with an accessory muscle. An accessory flexor digitorum longus muscle was present in six patients, and an accessory soleus muscle was in one patient (both feet). Three of them were males and four females, with the mean age of 33.1 years (12 to 59 years). The mean interval from the onset of symptoms to operation was 7.5 months (range, six to nine months). All patients with an accessory muscle had a history of trauma or strenuous sporting activity. The diagnosis of TTS was made based on physical findings in all the patients (eight feet) and confirmed in five patients (six feet) by electrophysiological examination. Imaging examinations (radiography, ultrasonography, MRI) revealed abnormal bone and soft tissue lesions in and around the tarsal tunnel. Preoperative signs and symptoms disappeared average 4.1 months after decompression of the tibial nerve in addition to excision of the muscle. No functional deficit was observed at final follow-up (24 to 88 months).
ISSN:1071-1007
1944-7876
DOI:10.1177/107110070302400206