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Yoo, Ahn, Kim, Song, and Shin: The Intraneural Ganglion of the Posterior Tibial Nerve and Medial Plantar Nerve
Case Report
Journal of the Korean Orthopaedic Association

Journal of the Korean Orthopaedic Association 2008; 43(1): 127-130.

Published online: 29 February 2008

DOI: https://doi.org/10.4055/jkoa.2008.43.1.127

The Intraneural Ganglion of the Posterior Tibial Nerve and Medial Plantar Nerve

Seong-Ho Yoo, M.D., Seong-Jun Ahn, M.D., Bu-Hwan Kim, M.D., Moo-Ho Song, M.D., Seoung-Ho Shin, M.D.

Department of Orthopedic Surgery, Busan Deadong Hospital, Busan, Korea.

Address reprint requests to Seong-Jun Ahn, M.D. Department of Orthopedic Surgery, Busan Deadong Hospital, 530-1, Mungruen 1-dong, Dongrae-gu, Busan 607-711, Korea. Tel: +82.51-554-8996, Fax: +82.51-553-7575, ahnjosdept@naver.com

Copyright © 2008 The Korean Orthopaedic Association

Abstract

Intraneural ganglion of the tibial nerve is very rare. We have experienced a case of the intraneural ganglion cyst in the tibial nerve and medial plantar nerve, which was located at the level of the ankle and foot. A 29-year-old male suffered from lumps causing numbness around the medial aspect of the sole and great toe. But there was no weakness and change of the motor function. We excised the cystic mass successfully and the neurologic symptoms disappeared.

Keywords: Tibial nerve, Intraneural ganglion

Figures and Tables

Fig. 1
T1 weighted axial and T2 weighted axial MR images of the ankle at the level of the just posterior of the medial malleolus show a round cystic lesion along the course of the posterior tibial nerve.
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Fig. 2
T1 weighted axial and T2 weighted axial MR images of the foot show a round cystic lesion along the course of the medial plantar nerve.
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Fig. 3
Coronal MR images show two separated round cystic lesions along the course of the posterior tibial nerve and the medial plantar nerve.
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Fig. 4
At surgery, cystic lesion, 1.3×3 cm, was seen in the posterior tibial nerve.
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Fig. 5
After distal extension, cystic lesion, 0.7×1.5 cm, was seen in the medial plantar nerve.
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Fig. 6
Histology of the resected tumor. the tumor consists of thickened collagenous wall and mucoid substance (H&E stain, ×20).
jkoa-43-127-g006

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