Shi Wei, MD, PhDUniversity of Alabama at BirminghamDepartment of PathologyBirmingham, AL USA Gene P. Siegal, MD, PhDUniversity of Alabama at BirminghamDepartment of PathologyBirmingham, AL USA

• Introduction.- Bone-Forming Tumors.- Cartilage-Forming Tumors.- Fibrous and Fibrohistiocytic Lesions.- Fibro-osseous Lesions.- Giant Cell–Rich Lesions.- Small, Round Cell Lesions.- Cysts.- Vascular Tumors.- Myogenic, Lipogenic, Neural, and Other Mesenchymal Tumors.- Tumor-like Conditions.- Reactive, Metabolic, and Developmental Conditions.- Metastases to and from Bone.- Suggested Readings.

Shi Wei, MD, PhDUniversity of Alabama at BirminghamDepartment of PathologyBirmingham, AL USA Gene P. Siegal, MD, PhDUniversity of Alabama at BirminghamDepartment of PathologyBirmingham, AL USA

• Introduction.- Bone-Forming Tumors.- Cartilage-Forming Tumors.- Fibrous and Fibrohistiocytic Lesions.- Fibro-osseous Lesions.- Giant Cell–Rich Lesions.- Small, Round Cell Lesions.- Cysts.- Vascular Tumors.- Myogenic, Lipogenic, Neural, and Other Mesenchymal Tumors.- Tumor-like Conditions.- Reactive, Metabolic, and Developmental Conditions.- Metastases to and from Bone.- Suggested Readings.

Shi Wei, MD, PhDUniversity of Alabama at BirminghamDepartment of PathologyBirmingham, AL USA Gene P. Siegal, MD, PhDUniversity of Alabama at BirminghamDepartment of PathologyBirmingham, AL USA

• Introduction.- Bone-Forming Tumors.- Cartilage-Forming Tumors.- Fibrous and Fibrohistiocytic Lesions.- Fibro-osseous Lesions.- Giant Cell–Rich Lesions.- Small, Round Cell Lesions.- Cysts.- Vascular Tumors.- Myogenic, Lipogenic, Neural, and Other Mesenchymal Tumors.- Tumor-like Conditions.- Reactive, Metabolic, and Developmental Conditions.- Metastases to and from Bone.- Suggested Readings.