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Teenager with lethargy, lower limb aches and pains. High clinical suspicion of dermatomyositis.
Diffuse high T2 signal throughout the musculature of both upper limbs and visualized pelvis.
No muscle group is spared.
Juvenile dermatomyositis is a autoimmune inflammatory conditions involving muscles.
The juvenile form has a tendancy to be more severe and is less associated with an underlying malignancy than the adult form.
Auto-antibodies are relatively specific for the condition -- the specific elevated muscle specific antibodies being anti-RNa and anti-Mi2.
This case has the characteristic findings of diffuse high signal throughout affected muscles on T2/TIRM sequences.
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14 public playlists include this case
- MSK by Arthur Daire
- MSK_US by Joseph Angelo Peguit
- 2b by Ibrahim Kanbour
- MSK_MRI by Joseph Angelo Peguit
- Frcr 2b by Syed Rahman
- Paeds assorted by Arthur Daire
- peds by Sharbell Hashoul
- mri pelvis by Pallavi Kamat
- MSK spotter by elroy
- ff msk by fathima Fasooha
- PEDI MSK by Dr. Raja Tamiru Muleta
- Chest 2 by Rubi Subhash
- Paediatric Tony Chen by Tony Chen
- FRCR 3 by Reham Ibrahim