Denervation atrophy

Case contributed by Naqibullah Foladi
Diagnosis almost certain

Presentation

History of trauma

Patient Data

Age: 20 years
Gender: Male
mri

Muscular atrophy and fatty degeneration in the right infraspinatus muscle evident by high T1 and T2 signal intensities with the heterogeneous edema-like signal.  
The rest of the muscle bulk around the right shoulder joint is preserved.   
 

Case Discussion

Right infraspinatus muscle atrophy and fatty degeneration most likely representing subacute denervation atrophy secondary to trauma. 

 

This case is also contributed by Dr. Najibullah Rasouly.

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