27 Pneumoperitoneum – CXR Fig. 27.1A Pneumoperitoneum on an erect chest X-ray. Background The erect chest x-ray is the most important plain film for diagnosis of perforated abdominal viscus. The…

56 Intussusception Fig. 56.1A This figure demonstrates a very subtle soft tissue mass protruding into the bowel lumen – this abnormality is projected over the left side of the pelvis….

58 Slipped upper femoral epiphysis Fig. 58.1A(Top) Slipped left capital femoral epiphysis – AP view. Fig. 58.1A(Bottom) Slipped left capital femoral epiphysis – frog-leg view. This patient has a slip…

61 Non-accidental injury (NAI) NAI, or child abuse, is a topic so large and important that it merits a book in itself. Numerous complex imaging investigations may be involved. The…

8 Pneumonia Background This is an extremely common presentation to the on-call doctor. It can present on admission wards as community-acquired pneumonia or complicate a ward stay in any patient…

17 Lobar collapses Background Collapse of the five lung lobes (right upper, middle and lower, left upper and lower) produces characteristic appearances on a CXR. Interpretation requires a good knowledge…

60 Brodie’s abscess Fig. 60.1A This radiograph demonstrates a lucent lesion in the distal femoral metaphysis, with a slightly sclerotic border. This is a Brodie’s abscess. Background Brodie’s abscess is…

7 System for interpretation of the CXR This chapter is a checklist of all the places to look on a CXR once you have checked the technical quality of the…

20 Pleural effusion Fig. 20.1A This radiograph demonstrates a moderate right pleural effusion, with a meniscus at its upper aspect, and loss of the contour of the right hemidiaphragm. Background…

57 Retropharyngeal abscess Fig. 57.1A This lateral radiograph of the cervical spine in a child demonstrates gross increase in the soft tissue in the retropharyngeal space, effacing and displacing the…