PMC4337918_01
Magnetic resonance imaging studies of the patient's left leg. Tumor visible on the lateral leg compartment below the level of the left fibular head. (A) Axial view on T1 weighted image. (B) Sagital view on T1 weighted image showing a well-defined ovoid mass distal to the fibula head (measuring up to 18 mm in long axis), which arises, the underlying superficial peroneal nerve.
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Further evaluation was obtained by MR of the leg (Fig. 1).
Surgical excision of the patient's left leg tumor. (A) Antero-lateral approach with tumoral exposure. (B) Perineural dissection and tumoral detachment of the nerve sheath. (C) Measurement of resected specimen.
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The excised tumor (Fig. 2) was histologically studied and being described as a benign neurilemmoma with characteristics of ancient degenerative Schwannomas.