by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Bone Tumors, Malignant Small Round Blue Cell, Tumor Classification
General Information Primary lymphoma of bone is defined as lymphoma arising within the medullary cavity of a bone in the absence of lymph node or organ involvement for at least 6 months after diagnosis Primary lymphoma of bone is rare (3% of primary bone tumors) and...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Benign Giant Cell, Bone Tumors, Tumor Classification
GENERAL INFORMATION Giant cell tumor (GCT) of bone is a benign but aggressive bone tumor originating from mesenchymal cells. Initially, described by Cooper and Travers in 1818 as an aggressive and destructive lesion of long bones, then Virchow first described the...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Benign Fibrous, Bone Tumors, Tumor Classification
GENERAL INFORMATION Fibrous dysplasia is not considered a tumor; it is a developmental disorder of the bone. It appears similar to a tumor on radiological studies. Fibrous dysplasia is caused by the inability of the bone-forming tissue to produce mature bone due to a...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Bone Tumors, Malignant Small Round Blue Cell, Soft Tissue, Soft Tissue Malignant Miscellaneous, Tumor Classification
General Information Ewing sarcoma is a small round blue cell sarcoma It is a primary osseous neoplasm (cancer/sarcoma) composed of uniform, monotonous, small round blue cells without any matrix production Fourth most common primary malignancy of bone Approximately 5%...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Benign Small Round Blue Cell, Bone Tumors, Tumor Classification
General Information This is a benign proliferation of Langerhans cells usually accompanied with eosinophils, lymphocytes, neutrophils and scattered plasma cells. There may be solitary or multiple lesions confined to bone 70% of cases consist of a solitary lesion...
