Metabolic Diseases of the Brain
Fig. 2.1 Schematic drawing of oligodendrocytes (ODG) extending myelin sheath over the axons. The area devoid of myelin sheath is called as node of Ranvier (arrows), and the nerve impulse…
Pediatric Airway Disorders
Fig. 12.1 An 18-month-old boy who underwent chest radiograph for evaluation of pneumonia in the setting of fever and elevated white blood cell count. Frontal chest radiograph demonstrates normal deviation…
Inflammation, Infection, and Neoplasms in the Abdomen
Fig. 21.1 Crohn disease. (a) Small bowel series in an 8-year-old girl with Crohn disease shows irregular loops of the distal ileum with nodular thickening of the mucosal folds and…
CT and MRI Findings of Cardiac Defects in Congenital Heart Disease
Fig. 17.1 Atrial septal defect. Four-chamber CT image shows a large secundum atrial septal defect (asterisk) between the right atrium (RA) and the left atrium (LA) (a). An extracardiac conduit…
Pediatric Diffuse Lung Disease
Fig. 15.1 Surfactant protein B mutation in a full-term newborn boy. (a) Frontal chest radiograph shows diffuse hazy granular opacity resembling respiratory distress syndrome of prematurity. (b)Axial lung window CT…
CT Findings of Congenital Lung Malformations
Fig. 10.1 (a–c) Right pulmonary agenesis. Plain chest radiograph shows an opacified right hemithorax with a severe mediastinal shift toward the right and the hyperinflated left lung (a). Axial CT…
Urinary Tract Infection
Fig. 25.1 Acute pyelonephritis. Sagittal US of the right kidney (a) shows only mild pelvic dilatation. Sagittal US of the left kidney (b) shows diffuse swelling with increased cortical echoes…
Cardiac failure and pulmonary oedema
26 Cardiac failure and pulmonary oedema Fig. 26.1A Pulmonary oedema due to heart failure. Mild. Background The commonest causes of pulmonary oedema encountered by the on-call doctor are cardiac failure…
Aggressive versus benign bone processes
49 Aggressive versus benign bone processes The following table of x-rays summarizes features of benign and aggressive lytic (destructive) processes in bone. These are areas of increased lucency in bone….
Pneumothorax
18 Pneumothorax Fig. 18.1A This erect radiograph shows a right-sided simple pneumothorax. Background Causes • Spontaneous (in tall males, Marfan syndrome) • Secondary to chronic lung disease – asthma/COPD •…
