Fig. 2. Magnetic resonance imaging scan. (A) T1-weighted coronal. (B) T1-weighted fat suppression with contrast coronal. Abnormally protruded superficial vein (upper arrowheads) in posteromedial malleolar was found, which had been visually considered as ganglion cyst. Varicosity of posterior tibial vein (lower arrowheads) extended to tarsal tunnel, compressing tibial nerve (arrows).
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