Shaft fracture Subperiosteal new bone Metaphyseal irregularity Generalized osteopenia Comments Osteogenesis imperfecta + + +/- + First fracture may occur before osteopenia is evident Scurvy – + + + Diet…
Figure 19.1 Delayed necrosis on DWI in a two-month-old infant. This child presented with encephalopathy and respiratory failure requiring intubation. An outside CT was performed due to the encephalopathy and…
Figure 23.1 Inflicted fracture and neglect in a disabled child. AP view of the humerus in a one-year-old child with Down syndrome receiving physical therapy for spasticity demonstrates a mature…
High specificity* CMLs Rib fractures, especially posteromedial Scapular fractures Spinous process fractures Sternal fractures Moderate specificity Multiple fractures, especially bilateral Fractures of different ages Epiphyseal separations Vertebral body fractures and…
Figure 1.1 Proximal femur from an older child demonstrating the cortex, medullary cavity, growth plates, apophysis, and articular surface. Tan-white and smooth-surfaced, bones are the hardest and strongest structures of…
Figure 11.1 Obstetric clavicle and contralateral humerus fractures. A term 9-lb, 2-oz. infant with shoulder dystocia delivered by vacuum extraction. AP radiograph of the chest reveals a displaced fracture of…
Figure 29.1 Though MR scanners are primarily used to make images of humans for medical diagnoses, they can also produce exquisite images of the complex tissue water structures within vegetables…
Metric Metric definition Old units SI units Conversion factor Exposure Ionization per unit mass of air Roentgen (R) Coulombs/kilogram (C/Kg) 1 R = 2.58 × 10–4 C/Kg Air Kerma Kinetic…
Type I Milder phenotype Normal or close to normal stature Hearing loss in ~50% Demineralization Wormian bones Group 1A: blue sclerae normal teeth Group 1B: dentinogenesis imperfecta (DI) Type II*…
Figure 10.1 Toddler’s fracture. AP view of the right tibia in a nine-month-old infant who fell from the bed shows a nondisplaced oblique fracture (arrows) of the distal tibial metaphysis….
