osseous xanthoma
Microscopical synopsis
foam cells
giant cells
cholesterol clefts
fibrosis
Differential diagnosis: clear cell cinfiltration of the bone
foamy histiocytes infiltration
- Erdheim-Chester disease (a multisystemic granulomatosis)
- bone involvement in sinus histiocytosis with massive lymphadenopathy (Rosai-Dorfman disease)
- foam cells rich langerhans histiocytosis
metastatic clear cell carcinoma
References: #3140652#