by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Benign Fibrous, Bone Tumors, Tumor Classification
GENERAL INFORMATION Desmoplastic fibroma is a benign but aggressive tumor composed of fibroblasts and myoblasts in heavily collagenized stroma. It’s a very rare tumor with slow growth and produces collagen. It characterized also by aggressive...
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...