by drjamescwittigmd_4dcg6x | Oct 2, 2025 | Bone Tumors, Malignant Miscellaneous, Tumor Classification
GENERAL INFORMATION • Chordomas were first described by Virshow in 1957 and named as Chordoma by Ribbert in the 1890s. • Slow growing malignant primary bone tumor• Originates from residual of undifferentiated notochordal remnants in nucleus...
by drjamescwittigmd_4dcg6x | Oct 2, 2025 | Bone Tumors, Malignant Chondroid
General Information Juxtacortical/Periosteal Similar to juxtacortical chondroma Periosteal lesion – cortical erosion Chondroid matrix calcification Similar to periosteal ogs (no hair on end periosteal reaction) Larger soft tissue mass/size (>3-4cm)...
by drjamescwittigmd_4dcg6x | Oct 2, 2025 | Bone Tumors, Malignant Chondroid
General Information High grade malignant, cartilage-forming tumor Comprised primarily of noncartilaginous small, round, oval, or spindle shaped cells with islands of malignant cartilage dispersed throughout noncartilaginous component of tumor Osteoid may be present as...
by drjamescwittigmd_4dcg6x | Oct 2, 2025 | Bone Tumors, Malignant Chondroid
General Information Malignant tumor Comprised of neoplastic chondrocytes With abundany, clear cytosplasm Little interveining matrix Foci of conventional chondrosarcoma may be present Clinical Presentation Signs/Symptoms: Pain and swelling There may be interference...
by drjamescwittigmd_4dcg6x | Oct 2, 2025 | Benign Chondroid, Bone Tumors
General Information Dedifferentiated chondrosarcoma consists of a low grade malignant hyaline cartilage tumor associated with a high-grade nonchondroid spindle sarcoma. The two components are juxtaposed with abrupt clear demarcation line The high grade sarcoma is most...
by drjamescwittigmd_4dcg6x | Oct 1, 2025 | Benign Chondroid
General Information Codman Tumor (old historical name for chondroblastoma) Cartilage Containing Giant Cell Tumor (Kolodney 1972) Calcifying Giant Cell Tumor (Ewing 1928) Clinical Data Rare; 1-2% all bone tumors Male predilection (2:1) Children and young adults; 90%...
