case_images: PMC2787188_01
case_images: AP and MR image of both knees. AP film of both knees shows osteolytic lesions as
  well-marginated lucencies in femurs and tibias. Sagittal T2-weighted MR image
  of both knees shows multiple nodular low-density lesions.
case_images: IJPED2009-950687.001.jpg
case_images: PMC2787188_01_IJPED2009-950687.001.jpg
case_images: fig1
case_images: In addition, magnetic resonance (MR) imaging of both knee joints demonstrated multiple nodular low-density lesions on T1- and T2-weighted images in both distal femurs and both proximal tibias and fibulas (Figure 1).