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Sagittal fat saturated proton density weighted (A) and axial T2-weighted (B) magnetic resonance images of the foot show an elongated cystic lesion (arrow) in the medial aspect of the plantar fascia.
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MPN entrapment in the right foot. Magnetic resonance imaging (MRI) was conducted to identify the cause of entrapment, and we observed a 5.5-cm long elongated cystic lesion (Fig. 1).
A, The surgical exposure reveals an elongated cystic mass (arrow). B, The resected 5.5-cm-long elongated cystic mass.
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During the operation, a 5.5 x 1.5 x 0.5 cm gray and white, collapsed cyst was removed (Fig. 2).
Histological section of the specimen shows the fibrous wall of the ganglion cyst with focal myxoid changes (black arrow) and peripheral nerve bundles (white arrow) (hematoxylin and eosin staining, 40x).
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Biopsy confirmed that the mass was a ganglion cyst (Fig. 3).