Schwannoma of the tibial nerve

Case contributed by Domenico Nicoletti


Swelling of the left calf.

Patient Data

Age: 50 years
Gender: Male

Left leg


In the lateral gastrocnemius muscle there is a large hypoechoic, lobulated, vascularized lesion.

Left leg


In the posterolateral compartment of the left calf, is visible lesion with lobulated margins, adhering to the transverse and posterior intermuscular septum, with lobulated spurs surrounding the peroneal diaphysis posteriorly. This lesion that compresses the neurovascular axis shows low signal intensity in T1 weighted sequences and high signal in T2 weighted sequences and in those with saturation of the adipose tissue. After IV contrast, intense enhancement is appreciated with intra-tumoral cystic degeneration.

Case Discussion

Subsequent biopsy demonstrated Schwannoma of the tibial nerve

Case courtesy Dr.ssa Sandra Pennacchini

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