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KMID : 0896720010050010062
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Journal of the Korean Society of Foot Surgery
2001 Volume.5 No. 1 p.62 ~ p.68
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The Symptomatic Accessory Navicular in Adult
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Lee Woo-Chun
Rha Jong-Deuk
Park Hyun-Soo
Nam Ki-Heon
Lee Cheol
Ko Kang-Hoon
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Abstract
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Purpose: to investigate the etiology and the results of surgical treatment of the symptomatic accessory navicular in adults.
Materials and Methods:Between 1996 and 2000, 17 cases in 16 adult patients who were older than 20 years were diagnosed as painful accessory navicular. 11 patients could recall a twisting injury of the ankle, and 8 of them were inversion sprain. 4 patients had tibialis posterior tendon lesions. 13 feet of 12 patients were treated by resection of accessory navicular, the synchondrosis, the medial portion of the navicular and reattachment of tibialis posterior tendon without transposition. 9 feet in 8 patients were followed for more than one year after surgery. In 4 patients with tibialis posterior tendon lesions, additional procedures were performed according to the state of the lesion.
Results:All were type Ⅱaccessory navicular bone which had synchondroses. There was gross motion of the synchondrosis in the operating field in all feet. Of the 9 feet which were followed for more than one year after surgery, results were excellent in five and good in four.
Conclusion: The painful accessory navicular in adult might be closely associated with inversion ankle sprain, and also with the tibialis posterior tendon lesions. Satisfactory result could be obtained without transposition of the tibialis posterior tendon to the undersurface of the navicular and immediate postoperative weight bearing does not have harmful effect on the result.
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KEYWORD
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Foot, Accessory navicular, Surgical treatment
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