KEY FACTS Terminology Classic metaphyseal lesion (CML) or metaphyseal corner fracture: Transverse fracture of subphyseal metaphysis that undercuts subperiosteal bone collar peripherally Fracture of infants with high specificity for child abuse Imaging Most common at distal femur, proximal & distal…
KEY FACTS Terminology Incomplete fracture: Macroscopic fracture line does not traverse entire bony diameter Pediatric bones more elastic than adult bones Greater propensity to bow or bend before breaking Buckle fracture: Focal outward bulge of cortex (without frank interruption) on…
KEY FACTS Terminology Apophysis: Nonarticular secondary center of ossification that serves as attachment site for muscle or tendon Acute injury: Avulsion fracture of osseous &/or cartilaginous apophysis through subjacent physis Chronic injury: Repetitive submaximal tensile forces (avulsive microtrauma) exceed rate…
KEY FACTS Terminology Fracture of immature skeleton involving cartilaginous primary growth plate (physis) Imaging Most fractures detected & managed by radiographs alone Widening or interruption of normally uniform undulating lucent physis Translation &/or angulation of bony fragment adjacent to physis…
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KEY FACTS Terminology Nonrandom association of anomalies involving multiple organ systems V ertebral/vascular A nal atresia/auricular C ardiac T racheoesophageal fistula E sophageal atresia R enal/radial ray/rib L imb VACTERL association diagnosed when ≥ 3 of above malformations present; causative…
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Imaging Modalities Radiography Although there have been great advances in imaging technology, radiographs (i.e., x-rays or plain films) remain the most important imaging test in most circumstances of suspected musculoskeletal pathology. Most studies will require 2-3 views to adequately image…