Polymyositis

Case contributed by Dr Kamel Mahmoud Alkhateeb

Presentation

Patient has severe pain in bilateral legs with mild swelling, fever and muscle weakness.

Patient Data

Age: 50 years
Gender: Male
MRI

Bilateral almost-symmetrical multifocal feathery-edema involving the bilateral posterior muscle compartments, mainly bilateral soleus muscles. Minimal fluid signal is seen between affected muscle compartments.

Case Discussion

The clinician's initial impression was bilateral cellulitis. MRI for both legs was performed and the findings were suggestive of polymyositis.

Differential diagnosis:

  • collagen vascular diseases
  • muscular dystrophy
  • inclusion body myositis
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Case information

rID: 64929
Published: 17th Dec 2018
Last edited: 18th Dec 2018
Inclusion in quiz mode: Included

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