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|Articles|December 14, 2010

Diagnostic Imaging

  • Diagnostic Imaging Vol 32 No 11
  • Volume 32
  • Issue 11

Delayed contrast MR may predict rheumatoid arthritis

Delayed gadolinium enhancement during MR imaging of cartilage of the metacarpophalangeal joints in patients with rheumatoid arthritis is feasible at 3T and may help predict rheumatoid arthritis.

Delayed gadolinium enhancement during MR imaging of cartilage of the metacarpophalangeal joints in patients with rheumatoid arthritis is feasible at 3T and may help predict rheumatoid arthritis.

The procedure involves T1 mapping following intravenous contrast. Concentration of the contrast in cartilage is an indirect measure of glycosaminoglycan (GAG), a component of hyaline cartilage.

The absence of GAG during delayed-contrast MR may help assess cartilage degeneration in the morphologically normal-appearing second and third metacarpophalangeal joints in patients.

Phalangeal and metacarpal delayed-enhancement values in patients with rheumatoid arthritis were significantly lower than in control subjects, although joint thickness was comparable in both groups, according to the researchers. Cartilage damage is a common occurrence in rheumatoid arthritis patients, so imaging may help for diagnosis and treatment purposes (Radiol 2010;257:441-447).

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As teleradiology evolves, it changes dramatically, plays growing role in practice

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CT follows clinical findings for suspected child abuse

almost 16 years ago

ER patients favor CT; will tolerate radiation risk

almost 16 years ago

Coronary artery calcification found on CT predicts death

almost 16 years ago

Riverrain's new x-ray lung CAD features bone removal

almost 16 years ago

After a decade of growth in teleradiology; now what's next?

almost 16 years ago

PET/MR steps up as first new hybrid modality in a decade

almost 16 years ago

Philips updates its flagship ultrasound scanner with 3D

almost 16 years ago

FMRI shows connections missing in autistic brains

almost 16 years ago

Debate over mastectomy/breast MR link continues

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