Peripheral nerve sheath tumour - Schwannoma
Left ankle posterior - medial aspect - swelling - Few yrs. No significant pain. No trauma.
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Well-defined ovoid lesion is seen in region of interest.
Size - 48 x 35 x 28 mm
Location - along neurovascular bundle at posterior medial ankle.
- Lesion is inseperable from posterior tibial nerve.
- Lesion is seperate from tendon, bone , joint.
Morphology - hypoechoic
- Few tiny calcification foci and tiny cysts.
Dopplar - Arterial as well as venous flow noted.
Surgical excision was done.
Histopathology - Schwanoma.