Dx Imaging 3 review

Trauma-Casey Foster

Cervical Spine

• Atlas fractures– Jefferson’s fracture– Posterior arch fracture of atlas– Anterior arch fracture of the atlas– Lateral mass fracture of the atlas– Rupture of the transverse lig.

• Pneumonic=LAP JR

Jefferson’s Fracture

Posterior Arch Fracture

Anterior Arch Facture

Lateral mass fracture of the Atlas

Rupture of Transverse lig.

Cervical Spine

• Axis Fractures– Hangman’s fracture– Teardrop fracture– Odontoid fracture

Pneumonic=Odin sheds a tear for the hangman

Hangman’s Fracture

Teardrop fracture of the Atlas

Odontoid process fracture

Cervical Spine

• Lower Cervical fractures– Wedge fracture– Burst fracture– Teardrop fracture– Pillar fracture– Clayshoveler’s fracture– Lamina fracture– TP fracture

Wedge fracture

Burst fracture

Teardrop fracture

Pillar fracture

Clayshoveler’s fracture

Lamina fracture

TP fracture

Cervical Spine

• Cervical dislocations– Atlanto-occipital dislocation– Atlantoaxial dislocation– Bilateral interfacet dislocation– Unilateral interfacetal dislocation

Atlanto-occipital dislocation

Atlantoaxial dislocation

Bilateral interfacet dislocation

Unilateral interfacetal dislocation

Thoracic Spine

• Thoracic fractures– Compression fracture– Fracture-dislocation

Compression fracture

Fracture-dislocation

Lumbar Spine

• Lumbar fractures– Compression fracture– Burst fracture– Posterior Apophyseal Ring fracture– Kümmel's Disease– TP fracture– Pars Interarticularis fracture– Chance (Lap Seat Belt) fracture

Compression fracture

Burst fracture

Posterior Apophyseal Ring fracture

Kümmel's Disease

Post traumatic compression fracture (weeks to months afterwards)

TP fracture

Pars Interarticularis fracture

Chance (Lap Seat Belt) fracture

Pelvis

• Fractures of the Pelvis– Bucket-handle fracture Dashboard fracture– Duverney’s fracture Explosion fracture– Matgaigne’s fracture Prussian's disease– Rider’s bone– Sprung pelvis (Open book fracture)– Straddle fracture Suicidal jumper’s

fracture

Bucket-handle fracture

• Superior and inferior pubic ramus fracture w/ fracture or separation of contralateral SI joint

Dashboard fracture

• Posterior acetabular rim fracture

Duverney’s fracture

• Iliac wing fracture

Explosion fracture

• Central acetabular fracture

Matgaigne’s fracture

• Superior and inferior pubic rami fracture w/ fracture near or separating the ipsilateral SI joint

Prussian's disease

• Myositis officans of adductor muscles from riding horseback

Rider’s bone

• Avulsion for secondary growth center of the ischium (united and enlargement)

Sprung pelvis

• Separation of the pubic symphysis and both SI joints

Straddle fracture

• Bilateral superior and inferior pubic ramus fractures

Suicidal jumper’s fracture

• Horizontal fracture through the S1 or S2 segments associated w/ falls from a height

Knee

• Fractures– Bumper/fender fracture– Flake fracture– Floating knee– Lipohemoarthrosis– Segond’s fracture– Trampoline fracture

Bumper/fender fracture

• Medial or lateral tibial plateau fracture from a severe varus or valgus stress

Flake fracture

• Osteochondral fragment separated from the medial facet of the femoral surface of the patella after dislocation

Floating knee

• Suprachondylar femur fracture w/ proximal tibia fracture

Lipohemoarthrosis• Fat and blood in a joint owing to an intra-

articular fracture

Segond’s fracture• Avulsion of the lateral

tibia at the insertion of the TFL

Trampoline fracture

• Proximal tibial metaphysis in children 2-10

Ankle

• Fractures of the ankle– BB fracture– Bimalleolar fracture– Boot top fracture– Dupuytren’s fracture– Maissoneuve’s fracture– Pott’s fracture– Tillaux’s fracture– Toddler’s fracture

BB (Both Bones) fracture

• Both bones of leg or forearm are fractured together

Bimallolar fracture

• Medial and lateral malleolar fractures

Boot-top/Skier’s fracture

• Distal diaphyseal or metaphyseal spiral fracture of tibia and fibular in adults

Dupuytren’s fracture

• Distal fibular fracture (7 cm above malleolus) disrupted distal tibiofibular ligament, diastasis, lateral talus dislocation

• Up and out foot displacement

Maissoneuve’s fracture

• Proximal fibula fracture owing to inversion and external rotation of ankle

Pott’s fracture

• Distal fibular fracture (7 cm above malleolus) w/ disruption of the distal tibiofibular ligament

Tillaux’s fracture

• Fractures of the medial malleolus, anterior tibial tubercle, and lateral malleolus (7 cm from tip)

Toddler’s fracture

• Distal diaphyseal or metaphyseal spiral fracture in the tibia of an infant

Foot• Fractures of the foot

– Aviators fracture-neck of talus– Beak fracture-posterior calcaneal tubercle– Bedroom fracture-stubbed toe– Chopart’s dislocation-b/t talonavicular and

calcaneonavicular joints– Jones’/Dancer’s fracture-avulsion of styliod on5th

metatarsal– Lisfranc’s fracture-metatarsal bases– March fracture-2/3rd metatarsal

Lisfranc’s fracture

• Metatarsal base fracture

Jones’ fracture

• Fracture of styloid process of 5th metatarsal

Shoulder• Bankart’s-avulsion of triceps insertion• Drooping shoulder-inferior subluxation of humerus• Flap fracture-avulsion of greater tuberosity of

humerus• Hill-Sachs defect-fracture of humeral head from

anterior dislocation• Separated shoulder=AC dislocation• Subluxio erecta-inferior subluxation humerus w/

arm up in air

Bankhart’s fracture

• Avulsion of triceps insertion

Flap fracture

• Avulsion of greater tuberosity of humerus

Hill-Sack’s fracture

• Fracture of humeral head from anterior dislocation

Elbow/Forearm

• Chisel fracture-vertical crack in radial head• Essex-Lopresti fracture-radial head w/ distal

radioulnar dislocation• Galeazzi’s fracture-at junction of distal and

middle 1/3 of radial shaft (w/ dislocation of the inferior radioulnar joint)

• Kocher’s fracture-fracture of capitulum• Continued…

Elbow/Forearm cntd• Little leaguer’s elbow-avulsion of medial

epicondyle• Monteggia’s fracture-proximal ulnar shaft w/

dislocation of radial head• Nightstick fracture-due to direct blow• Pulled elbow-radial head separation from annular

ligament• Sideswipe-arm out window (radius, ulna, humerus

fracture)

Essex-Lopresti fracture

• Radial head fracture w/ radioulnar dislocation

Galeazzi’s fracture

• Fracture-at junction of distal and middle 1/3 of radial shaft (w/ dislocation of the inferior radioulnar joint)

Little Leaguer’s fracture

• Avulsion of the medial epicondyle of the humerus

Monteggia’s fracture

• Ulnar shaft fracture w/ radial dislocation

Sideswipe fracture

• Combination radius, ulna, humerus fractures

Wrist fractures

• Barton’s fx-post. Rim fx distal radius• Chauffeur’s fx-radial styloid• Colle’s fx-radial fx w/ posterior angulation• deQuervain’s fx-ant. Dislocation lunate w/ part of fx

scaphoid• Fisher’s fx-dorsal avulsion of triquetrum• Moore’s fx-colle w/ fx ulnar styloid process and

dislocation• Smith’s fx-radial fx w/ anterior angulation

Barton’s fracture

• Fracture of the posterior rim of the radius

Chauffeur's fracture

• Fracture of radial styloid process

Smith fracture

• Radial fracture w/ Anterior angulation

Fisher’s fracture

• Avulsion from dorsal portion of triquetrum

Colle’s fracture

• Distal radius fracture with posterior angulation

Hand fractures

• Bar room fx-fx of 4/5th metacarpal neck w/ ant displacement

• Bennett’s fx-thru base of 1st metacarpal (dorsal and radial displacement)

• Boxer’s fx-2nd/3rdmetacarpal neck w/ ant displacement

• Rolando’s fx-base of 1st metcarpal• Volar plate-disruption of ant articular at base of

middle phalanx

Bar-room fracture

• Transverse fracture through the 4th or 5th metacarpal

Bennett fracture

• Fracture of 1st metacarpal head w/ anterior displacement

Rolando fracture

• Fracture at base of 1st metacarpal