Imaging

Myopathy

Preliminary Diagnosis: Myopathy

I. What imaging technique is first-line for this diagnosis?

  • MRI with and without contrast

II. Describe the advantages and disadvantages of this technique for diagnosis of myopathy.

Advantages

  • Highly sensitive and specific in detecting, diagnosing, and characterizing myopathy and any muscular pathology.

  • Offers exquisite detail of the muscles, ligaments, tendons, and surrounding soft tissues

  • Gold standard imaging modality in diagnosing myopathy.

  • May further detail any secondary abnormalities or complications such as an abscess

  • Offers exquisite visualization and detail of the surrounding soft tissues and fascial structures

  • Does not expose patients to ionizing radiation

Disadvantages

  • Less sensitive and specific in characterizing osseous abnormalities

  • Expensive

  • Time consuming

  • Susceptible to motion artifact

III. What are the contraindications for the first-line imaging technique?

  • Contraindicated in patients with non–MR-compatible hardware

IV. What alternative imaging techniques are available?

  • No specific alternative imaging techniques are available

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