case_images: PMC5835252_01
case_images: MRI of the left knee (a) in September 2016 and (b) three months later.
case_images: CRIRH2018-7657982.001.jpg
case_images: PMC5835252_01_CRIRH2018-7657982.001.jpg
case_images: fig1
case_images: He was treated conservatively with NSAIDs and physiotherapy and advised to use cane to minimize weight bearing on the diseased knee.  Figure 1 demonstrates MRI of the left knee in September 2016 and three months later.
case_images: MRI of the left knee (a) in April 2017 and (b) four months later.
case_images: CRIRH2018-7657982.002.jpg
case_images: PMC5835252_01_CRIRH2018-7657982.002.jpg
case_images: fig2
case_images: Four months later, the pain got more severe for which he underwent another MRI of the right knee which showed extensive marrow edema involving the medial femoral condyle with complete recovery of the medial tibial plateau bone marrow edema noted in the previous MRI (Figure 2).