Radiology Key

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…

53 Bone metastases Background Bone metastases are aggressive lesions (see Chapter 49). It is important to detect them as their presence will have an impact on further management. Always look…

38 Imaging of urinary tract calculi Fig. 38.1 This radiograph demonstrates an opacity to the left of the L3/4 disc space which represents a stone. Background Ninety per cent of…

37 Pneumatosis intestinalis Fig. 37.1A This patient has extensive air in the bowel wall in the left lower quadrant of the abdomen which is in keeping with pneumatosis intestinalis. The…

36 Appendicitis Fig. 36.1A This patient has a calcified density projected over the right ilium. This is an appendicolith in appendicitis. Background Appendicitis is one of the commonest surgical emergencies…

46 Hip fractures Fig. 46.1A There is a sclerotic line traversing the left hip, which represents an intertrochanteric fracture. Background This is an important fracture in the ward scenario, often…

59 Perthes’ disease Fig. 59.1A This patient has bilateral Perthes’ disease, with more marked changes on the right than the left. Background In Perthes’ disease there is idiopathic osteonecrosis of…

50 Osteomyelitis Fig. 50.1A This patient has osteomyelitis of the left great toe, particularly affecting the distal phalanx. Background The main routes of bone infection (osteomyelitis) are either haematogenous or…

35 Inflammatory bowel disease Fig. 35.1A This patient has thick-walled descending colon caused by active inflammatory bowel disease. Background Many conditions can cause the appearance of thick-walled bowel, with thumb…