Unilateral hip pain in a 27 yo male w/ hx of dermatomyositis on IVIG, MMF, & GC. MRI image below. What’s your diagnosis? Biopsy or no biopsy? Check out Thieves Market poster 19 by Dr. Son from @jhrheumatology. #ACR20 @RheumNow https://t.co/g9R1bB4LeS