Radiology at a Glance - 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Radiology at a Glance - 2
Radiology at a Glance - 2
Upper limb XR classic cases II: foicciiiiij WIIOI, and hand54 Radiology at a Glance. By R. Chowdhury. I. Wilson. c. Roie and G. Lloyd-Jones. Published Radiology at a Glance - 2d 2010 by Blaofcwell PublishingDistal 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 outstretclsed hand- The patient typically attends with a painful wrist, which has a ’dtruier f Radiology at a Glance - 2ork’ deformity and radial deviation of the wrist and hand- The fracture is within 2.5 cm of the wrist joint and lias dorsal angulation and displacemenRadiology at a Glance - 2
t of the distal radial fragment. There IS frequently an associated fracture of the ulnar Styloid. Imaging includes AP and lateral views of the wrist bUpper limb XR classic cases II: foicciiiiij WIIOI, and hand54 Radiology at a Glance. By R. Chowdhury. I. Wilson. c. Roie and G. Lloyd-Jones. Published Radiology at a Glance - 2ions include damage to the median nerve and extensor pollicis longus which usually require surgical inten ention.Classic XR features of Colles' fracture•Lucent distal radius fracture line (sclerotic line suggests impaction)•Shortened radius•Distal fragment displaced and angulated dorsally (distal ra Radiology at a Glance - 2dius has a normal volar angulation of 0-22°)•Ulnar styloid fracture may be present•No articular involvement I unlike Barton’s fracture)•Smith's fractuRadiology at a Glance - 2
re - this IS a distal radius fracture, where the distal fragment is palmar (volar) displaced and usually results from a fall onto the arm with the wriUpper limb XR classic cases II: foicciiiiij WIIOI, and hand54 Radiology at a Glance. By R. Chowdhury. I. Wilson. c. Roie and G. Lloyd-Jones. Published Radiology at a Glance - 2us fracture, which involves die articulai surface of the distal radius and therefore piedisposes to joint pain, stiffness and osteoarthritisRadius and ulna fracturesThe intimate association of the radius and ulna at tlseir proximal and distal ends forms a ring. If one part of die ring is broken, tls Radiology at a Glance - 2ere may be a another break elsewhere.•Monteggia fracture - tlús usually arises from a direct blow to the forearm. This IS an ulnar fracture with an asRadiology at a Glance - 2
sociated radial head dislocation at the elbow.•Galeazzi fracture - this usually arises from a fall onto an outstretched hand with a flexed elbow. ThisUpper limb XR classic cases II: foicciiiiij WIIOI, and hand54 Radiology at a Glance. By R. Chowdhury. I. Wilson. c. Roie and G. Lloyd-Jones. Published Radiology at a Glance - 2roken and the other side is bent but still in continuity. It commonly occurs in the forearm of children due to the pliability of theư bones and derives its name from the similar pattern seen in a broken young tree branch.Carpal injuries•Scaphoid fracture - this is usually caused by a fall onto a dor Radiology at a Glance - 2siflexed outstretched hand or violent hyperextension of the wrist. The patient classically presents with swelling at the wrist and pain in the ’anatomRadiology at a Glance - 2
ical snuffbox’ The blood supply to the scaphoid bone enters rise bone distally and travels proximally to supply the proximal pole. Fractures of the scUpper limb XR classic cases II: foicciiiiij WIIOI, and hand54 Radiology at a Glance. By R. Chowdhury. I. Wilson. c. Roie and G. Lloyd-Jones. Published Radiology at a Glance - 2 often difficult to appreciate scaphoid fractures on plain X-ray imaging and therefore, if tliere is clinical suspicion, multiple views are taken. If the clinical suspicion is high but a fracture IS not identified, it cannot be exchided and the patientshould be managed empirically with repeat clinic Radiology at a Glance - 2al and radiological assessment in 10—14 days. If diagnosis remains uncertain. MR imaging may provide the answer•Perilunate dislocation - hyperextensioRadiology at a Glance - 2
n injuries can dislocate the lunate from the carpus leaving It attached to the radius. This injury can be easily missed on AP views but is readily seeUpper limb XR classic cases II: foicciiiiij WIIOI, and hand54 Radiology at a Glance. By R. Chowdhury. I. Wilson. c. Roie and G. Lloyd-Jones. Published Radiology at a Glance - 2 combination of perilunate dislocation with an associated scaphoid waist fracture. This fracture pattern is present in 70% of perilunate dislocations. The proximal scaphoid pole remains attached to the lunate.Osteoarthritis of the hand (see Chapter 24)Osteoarthritis (OA) of the wrist and hands is du Radiology at a Glance - 2e to wear and tear and commonly involves the distal I DIP JI and proximal interplialangeal joints (PIPJ). trapezoscaphoid joint and first carpometacarRadiology at a Glance - 2
pal joint. Patients classically present with joint pain, deformation and crepitus, which IS worse after use Osteophytes are noticeable as lumps aroundUpper limb XR classic cases II: foicciiiiij WIIOI, and hand54 Radiology at a Glance. By R. Chowdhury. I. Wilson. c. Roie and G. Lloyd-Jones. Published Radiology at a Glance - 2l cyst formation•Osteophyte formation•Radial subluxation of the first metacarpal baseRheumatoid arthritis of the handRheumatoid arthritis (RA I is a chronic systemic inflammatory disease causing synovial overgrowth (pannus), leading to destruction of cartilage and bone resulting in joint deformation Radiology at a Glance - 2. The deformities include radial deviation of the wrist, ulnar deviation and subluxation of the metacarpophalangeal joints (MCPJ). damage to extensorRadiology at a Glance - 2
tendons causing PIPJ hyperextensiou with DIPJ hyperflexion (swan neck deformity) and PIPĨ flexion with DIPJ bypenextension (Boutonniere deformity), anUpper limb XR classic cases II: foicciiiiij WIIOI, and hand54 Radiology at a Glance. By R. Chowdhury. I. Wilson. c. Roie and G. Lloyd-Jones. Published Radiology at a Glance - 2tiffness and symmetrical painful swelling of the MCPJs, PIPJs. wrist joints, but typically sparing of the DIPJs. The stiffness seems to improve with use.Classic XR features of hand RA•Periarticular swelling and osteopenia, loss of fat planes (early changes)•Joint space narrowing•Erosions where carti Radiology at a Glance - 2lage lias been lost•Joint subluxation dislocation, joint fusion (late changes)Upper limb XR classic cases II: foicciiiiij WIIOI, and hand54 Radiology at a Glance. By R. Chowdhury. I. Wilson. c. Roie and G. Lloyd-Jones. PublishedUpper limb XR classic cases II: foicciiiiij WIIOI, and hand54 Radiology at a Glance. By R. Chowdhury. I. Wilson. c. Roie and G. Lloyd-Jones. PublishedGọi ngay
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