tailieunhanh - Radiology at a Glance - 2

(BQ) Part 2 book "Radiology at a glance" presents the following contents: Fluoroscopic imaging, ultrasound imaging, CT imaging, specialised imaging and MRI, interventional radiology, nuclear medicine, self assessment. | Upper limb XR classic cases II forearm wrist and hand Colles fracture lateral and AP views Scaphoid waist fracture AP view A transverse fracture of the distal radius is clearly seen on both views. Dorsal angulation of the distal component and an accompanying fracture of the ulnar styloid are classic features of a Colles fracture A fracture arrowhead passes across the waist of the scaphoid. Failure to treat this injury leads to a high risk of avascular necrosis of the proximal pole . This fracture is often not detected on X-ray and so clinical suspicion should lead to treatment with clinical and radiological follow-up Monteggia fracture-dislocation lateral view Greenstick fracture AP and lateral views A transverse fracture of the ulna shaft is accompanied by dislocation of the head of radius from the capitulum of the humerus A transverse fracture of the distal radius breaches the dorsal cortex and buckles the ventral cortex. These are typical features of a greenstick fracture Boxer s fracture AP and oblique views Rheumatoid arthritis both hands There is a transverse fracture of the little finger metacarpal with palmar angulation of the distal component. This common fracture is said to relate to poor fighting skills. This patient had punched a wall in anger while intoxicated Severe changes of rheumatoid arthritis are shown. These include loss of the carpal joint spaces erosions of the metacarpal joints and volar subluxation of the metacarpophalangeal joints with ulnar deviation of the phalanges 54 Radiology at a Glance. By R. Chowdhury I. Wilson C. Rofe and G. Lloyd-Jones. Published 2010 by Blackwell Publishing Distal radius and ulna wrist fractures Colles fracture - this is a very common wrist fracture and is usually seen in elderly osteoporotic patients following a fall onto an outstretched hand. The patient typically attends with a painful wrist which has a dinner fork deformity and radial deviation of the wrist and hand. The fracture