Fig. 3From: Three cases of BRAF mutation negative Erdheim-Chester disease with a challenging distinction from IgG4-related diseasea Bone lesion histology of case 3. b Technetium-99m bone scintigraphy of case 3. c Abdominal CT-scan of case 3 showing peri-renal infiltration without enhancement. d PET-scan FDG total body of case 3 showing femoral and humeral hyperintensityBack to article page