Fig. 4From: A hemodialysis patient with bone disease after pregnancy: a case reportHistopathology of the brown tumor removed from the right tibia. Hematoxylin-eosin staining (400× magnification). Proliferation of mesenchymal cells with oval nuclei and eosinophilic cytoplasm. Scattered throughout the stroma are numerous osteoclast-like multinucleated giant cells containing varying numbers of vesicular nuclei (arrows)Back to article page