Giant cell tumor of the tendon sheath

Case contributed by Dr Maulik S Patel


Swelling over proximal interphalangeal joint dorsal aspect for 5-6 months. No trauma. No significant pain.

Patient Data

Age: 35 years
Gender: Female

Well-defined heterogeneously hypoechoic lesion encircling radial lateral extensor tendon slip.

Lesion extends to the radial side of the digit. No extension of the lesion into the proximal interphalangeal joint.

No cystic spaces/calcification in the lesion. Lesion shows vascularity. Approximate Size - 15 x 12 x 11 mm.

Extensor tendon including lateral slip is intact. Flexure tendon is intact. No joint effusion.

Case Discussion

Soft tissue lesion around the radial extensor tendon slip was reported (based on ultrasound study) as possible giant cell tumor of tendon sheath.

Surgical excision of the lesion was done. Histopathology study reveals giant cell tumor of tendon sheath.

PlayAdd to Share

Case information

rID: 39766
Published: 21st Sep 2015
Last edited: 14th Aug 2019
Inclusion in quiz mode: Excluded

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.