Wrist ganglion cyst: pseudo-solid appearance
Complaining of lump on palmer radial aspect of the right wrist for last 3 months. There is no local pain. There was no history of trauma.
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At the site of clinically visible lump, there is a well-defined lesion with a thin capsule. It measures about 15 x 14 x 10 mm. Lesion abutts skin as well as flexure carpi radialis tendon. There is no obvious extension into a joint. The lesion shows hypoechoic echopattern without calcification/vascularity. There is the presence of posterior acoustic enhancement. The lesion is partly compressible. There is no flexure tenosynovitis /joint effusion. A patent radial artery is deep and on the radial side to the lesion.
A young female with a dorsal wrist lump was referred for an ultrasound. Clinical diagnosis was a ganglion cyst. Ultrasound showed an encapsulated, hypoechoic, avascular lesion. Surgery revealed a ganglion cyst with thick avascular material within. Histopathology confirmed the clinical and surgical diagnosis.
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- Imaging of Hand and Wrist Cysts: A Clinical Approach. Véronique Freire1and others. AJR 2012; 199:W618–W628 DOI:10.2214/AJR.11.8087