MEDRADSC 3J03 Study Guide - Midterm Guide: Tophus, Osteophyte, Osteomalacia
29 Jan 2020
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Compression fracture: note differences in body height/thickness, superior and inferior portions forced together, creating wedged shape. Jefferson"s fracture: c1 fracture of anterior bilaterally and posterior unilaterally, dens is seen lateral mass displacement. Osteomalacia: fracture of superior rami of the pelvis, decrease in phosphorus, similar to rickets in children. Image 1: joint space has been eroded by the uric acid; this is an effusion with tophi: may have density to them. Image 2: finger with severe joint effusion, per articular swelling on articular surfaces, joint most likely immobile. Image : rate bite seen, osteophytes are seen on bone. Image hand: osteophytes, not fused but looks bone on bone, limited to no cartilage. Rheumatoid arthritis: fused joints, subluxations, peri-articular soft tissue swelling, sub articular osteoporosis progresses to generalized osteopenia. Osteochondroma: branch/stock like growth parallel to the bone, needs to exhibit a cortex and medullary cavity, benign growth with cartilaginous cap.
