Benign Tumors of Bone (PDF)

BENIGN TUMORS OF BONE Bone Cartilage Fibrous tissue Osteoid Compact Osteochondroma chondroma Cho...

BENIGN TUMORS OF BONE Bone Cartilage Fibrous tissue Osteoid Compact Osteochondroma chondroma Chondrobla Chondromyxoid Non ossifying Ossifying Cementoossif Class osteoma osteoma “Exostosis” stoma fibroma fibroma fibroma ying fibroma (Cementoma) Benign Benign Benign tumour of Uncommon Uncommon benign Also called Also also called tumour of tumour cartilage and bone Benign tumour of benign tumour of young “Metaphyseal called Osteofibrous Defin bone arising arising in Considered as Cartilage epiphyseal adults mixture of fibrous cortical Osteofibr dysplasia mainly in membranou Hamartoma tumour of cartilage, myxoid defect” and ous the cortex s bones of long bones of and fibrous tissue “Benign fibrous dysplasia the skull young adults. arranged in lobules histiocytoma” lateral growth from epiphyseal cartilage Short bones of Metaphysis of Site Femur and Bones of Metaphysis Tibia of Craniofacial tibia the skull of long bones and hands and feet long bones long bones of long bones young bones stops growth at children puberty solitary pink Hard Single or multiple Rounded mass & Grayish pink Grossly in colour rounded exostosis appears as Thin capsule bluish growth with gritty ivory non Mushroom-shaped: and translucent expanding sensation capsulated lateral projection the affected composed of bony end of long stalk and a head cartilaginous cap bone Immature Proliferated Mixture of Mixture of Complicati Microscopicall cartilage cell benign spindle proliferatin proliferating Cancellous bone with cells as well as g Spindle Spindle cells covered by characteristic multinucleate cells and and globules Cartilage “chicken d giant cells Active of osteoid wire” and bone tissue that Histiocytes. formation. resemble calcifications Cementum Painful Outer table: Malignant Cartilage cells inside specially at Disfigureme transformation is their lacunae night nt Inner more common in chondrocytes are Improved table: case of multiple rounded with Pressure vacuolated by aspirin exostosis symptoms cytoplasm