Part 2 book “Review of radiolog” has contents: Musculoskeletal radiology, radiotherapy and nuclear scans (radiotherapy and chemotherapy, nuclear scans), few thumb rules in radiology, image based questions. | om .c e m ks oo eb m fre ks oo eb m m co m co e. e. fre ks oo eb m co m m co m e. fre e m Age Neuroblastoma – 30–70 MM – > 50 Metastasis – > 50 eb om e. c fre m co e. fre ks oo ks oo eb m m co e. co m re oo ks f eb m I ee om m .c o .c ee ee co m e m re m e. co m om co e. c e. fre fre sf oo k eb m ks oo eb m ks oo eb m co m e m m co e. ks fre m e. co m co m e. co Musculoskeletal Radiology oo eb m fre fre oo ks eb m ks eb oo m 5 e m e m e m e m oo m m e. co re sf m om e. c fre co m e. fre ks oo e eb om .c ee ee .c om m m m m .c o ee e oo k eb m eb eb oo oo ks ks • Single lamella –– Healing fracture, Osteomyelitis • Solid periosteal –– Osteoid osteoma (smooth) Undulating –– . pulmonary osteoarthropathy fre fre e. e. co co Periosteal Reaction m e eb m m m eb • Flecks, punctate, flocculated calcified foci. • Punctate—When disruption is in zone of provi sional calcification • Ring and arc—Disrupted enchondral bone formation • Enchondroma, osteochondroma m oo Cartilage Matrix I Benign tumor—sharp inner and outer margin Benign inflammatory condition— sharp inner but fuzzy outer margin oo ks ks oo ks f fre re e. • Bony trabeculae, radiodense struts (pathognomonic) • Osteosarcoma, parosteal osteosarcoma, osteoblastoma, FD, fat necrosis I (**-FD-shows thick sclerotic rim—Rind of orange) eb m co Osseous Matrix m eb m e. co m m Matrix Pattern I NCCT—most valuable modality in detection of subtle matrix calcifications m oo • Ewing’s, reticulum cell sarcoma, high grade chondrosarcoma fibrosarcoma, angiosarcoma, leukemia and metastasis eb m ks fre fre ks oo III. Permeative Bone Destruction co e eb m m co e. e. c GCT [no marginal sclerosis] • Reticulum cell sarcoma, osteosarcoma, chondrosarcoma, fibrosarcoma, round cell tumor .
