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Giant cell tumor of the tendon sheath in wrist

Case Study
Dorn, Eric, M.D. Glendale, Orthopaedic Hospital of Wisconsin USA
Ahrens, Mark, BS RT (R) (MR) Glendale, Orthopaedic Hospital of Wisconsin USA

Patient history

A 41-year-old female with radial sided wrist pain and enlarging dorsal radial right wrist mass presented at Orthopaedic Hospital of Wisconsin for an MR examination.

MR examination

The Achieva 1.5T SE with the 8-channel SENSE Wrist coil was used. FOV 8 x 8 cm, 3 mm slices. The 3D fat-suppressed image can be reconstructed in multiple planes.

Images

 Post contrast 3D fat suppressed
Post contrast
3D fat suppressed
 T1-weighted CLEAR T1-weighted CLEAR
T1-weighted CLEAR
T1-weighted CLEAR

There is an avidly enhancing radial mass, hypo-intense on T1-weighted and intermediate signal on T2-weighted. The post-contrast image shows the mass arises from the soft tissues, abuts the radial neurovascular bundle and extends into the capitate and distal scaphoid. T1-weighted images with CLEAR show that the mass passes beneath the dorsal radial sensory nerve, the dorsal branch of the radial artery and the first dorsal compartment tendons.

Diagnosis

The findings are consistent with giant cell tumor of the tendon sheath.

Clinical impact of the Achieva 1.5T SE:

The Achieva 1.5T SE offers a tenfold improvement in homogeneity compared with standard entry-level systems, and this reflects dramatically on the system's off-center imaging. Achieva 1.5T SE provides very good fat-suppressed imaging with the arms by the sides. With the 8-channel SENSE Wrist coil beautiful image quality is seen. The system is able to still maintain good SNR while working at these very small FOVs.

Related reading:



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Jan 20, 2011

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Case Study
Achieva 1.5T
Release 2.5, Release 2.6
Nova, Nova Dual, Pulsar
Musculoskeletal, Oncology, tendon, Wrist
 

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