Notes in 17 Wrist and hand

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Published	05/01/2023	e5b022cb189d4bd3a250fdc975367385-ao-1
Published	05/01/2023	e5b022cb189d4bd3a250fdc975367385-ao-2
Published	05/01/2023	e5b022cb189d4bd3a250fdc975367385-ao-3
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Published	05/01/2023	e5b022cb189d4bd3a250fdc975367385-ao-6
Published	05/01/2023	e5b022cb189d4bd3a250fdc975367385-ao-7
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Published	05/01/2023	e5b022cb189d4bd3a250fdc975367385-ao-10
Published	05/01/2023	e5b022cb189d4bd3a250fdc975367385-ao-11
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal imaging: Carpal anatomy and alignment
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhat do the arcs below represent?{{c1::Arcs of Gilula}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handDisruption of the Arcs of Gilula may be a sign of {{c1::ligamentous injury}} or {{c1::fracture}}
Published	05/01/2023	07f7d0e3bf3b4badb2ad86ac6b1b6895-ao-1
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Published	05/01/2023	07f7d0e3bf3b4badb2ad86ac6b1b6895-ao-3
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handIn VISI (ventral intercalated segmental instability, what is the position of the lunate?{{c1::tilted forwa…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand"Intercalated" (wrist imaging) infers that the {{c1::radius}} and {{c1::capitate}} are in normal alig…
Published	05/01/2023	7f9c2b44d6d54c5d9e7362474105cf7c-ao-1
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Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c2::Perilunate}} dislocation describes {{c1::malalignment}} of the capitate-lunate and {{c1::alignment}} of t…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c2::Lunate}} dislocation describes {{c1::volar dislocation}} of the lunate and {{c1::norm…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhat is the mechanism of injury for scapholunate ligament injury?{{c1::Fall on outstretched arm}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhich component of the scapholunate ligament is the strongest and most important carpal stability? {{c1::D…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Terry Thomas}} sign describes increased distance of the {{c2::scapholunate interval}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Scapholunate advanced collapse (SLAC)}} wrist is a consquence of chronic {{c2::scapholunate ligament…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handChronic scapholunate ligament injury can be a sequela of:{{c1::osteoarthritis}}{{c2::CPPD arthropathy}}{{c3::ch…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handSLAC wrist results in {{c1::proximal}} migration of the {{c2::capitate}} into the abnormal gap betwee…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhat is the most common mechanism of injury for scaphoid fractures?{{c1::Fall on outstretched arm}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhich imaging modality is important for detecting suspected occult scaphoid fracture on negative radiograph?{{c…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handBlood supply to the scaphoid is interosseous, from {{c1::distal::distal/proximal}} to {{c1::prox…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhich pole of the scaphoid has the weakest blood supply?{{c1::Proximal pole}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: Wrist radiograph + coronal T1-weighted MRI Yellow arrow: chronic- appearing {{c2::scaphoid…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWrist extensor compartments:Compartment 1: {{c1::APL (abductor pollicus longus)}}, {{c2::EPB (extenso…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWrist extensor compartments:Compartment 2: {{c1::ECRL (extensor carpi radialis longus)}}, {{c2::ECRB …
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWrist extensor compartments:Compartment 3: {{c1::EPL (extensor pollicis longus)}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWrist extensor compartmentsCompartment 4: {{c1::ED (extensor digitorum tendons)}}, {{c2::extensor ind…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWrist extensor compartmentsCompartment 5: {{c1::EDM (extensor digitorum minimi)}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWrist extensor compartmentsCompartment 6: {{c1::ECU (extensor carpi ulnaris)}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: Axial T2-weighted MRI wrist with fat suppression Yellow Arrows: {{c2::edema}} surrounding exten…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Triangular fibrocartilage complex (TFCC)}} is comprised of many ligamentous structures supporti…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handThe TFC disc of the wrist attaches to the {{c1::radial articular cartilage::radial aspect}}, and the&…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handThe TFC disc of the wrist attaches to the {{c1::dorsal radiolunar ligament::dorsal aspect}} and …
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Ligamentum subcruentum}} is a normal, {{c2::hyper}}-intense connective tissue located at t…
Published	05/01/2023	40e92b3d713342d28f18753783343fa5-ao-1
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Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c2::Meniscus}} homolog is a loose fibrovascular tissue of the wrist that {{c1::isn't::is/isn't}} typical…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: Wrist radiographYellow arrows: {{c2::Avulsion fragment}} dorsal to the triquetrum Diagnosis:&nb…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhat view are triquetral fractures best seen on radiographs?{{c1::Lateral view}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: Wrist radiograph Yellow arrows: Diminutive and irregular appearance of the {{c2::lunate}} with …
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c2::Kienbock}} disease is {{c1::avascular necrosis}} of the {{c3::lunate}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handKienbock disease is associated with negative {{c1::ulnar::ulnar/radial}} variance
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhat is thought to be the etiology of Kienbock disease?{{c1::Increased load on the lunate}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: wrist radiographYellow arrows + diagnosis:  {{c1::minimally displaced fracture of the scaphoid}…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: Coronal PD-weighted MRI with fat suppression Yellow arrow: {{c1::edema}} throughout the scaphoi…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: Coronal PD-weighted MRI with fat suppressionYellow arrows: focal {{c1::slit-like perforation}} in th…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: Coronal GRE MRI Yellow arrow: thinned {{c1::TFC tear}} with {{c2::central}} tearing R…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handTriangular fibrocartilage (TFC) tears can be due to {{c1::degeneration}} or {{c2::trauma}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhich structures are affected in traumatic TFC tears?{{c1::TFC disc proper}}{{c2::radial attachment}}{{c3::ulna…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhat classification is used to characterize TFC tears of the wrist?{{c1::Palmer classification}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handIn the Palmar classification, {{c1::traumatic::traumatic/degenerative}} (type I) TFC lesions are based on locat…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handIn the Palmar classification, {{c1::degenerative::traumatic/degenerative}} (type II) TFC lesions are grade…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Radial}} and {{c1::lunate}} cartilage degeneration is associated with {{c2::degenerative::degen…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c3::TFC}} tear on arthrography shows abnormal communication of the {{c1::radiocarpal joint}} space with …
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: post-arthography wrist radiographYellow arrows: contrast in the {{c1::distal radioulnar}} joint from…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: post-arthrogram T-1 weighted MRI with fat suppression Red arrow: tear of a diminutive {{c1::TFC}}Blu…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Mallet finger}} is injury of the {{c2::extensor tendon}} at the {{c2::distal phalanx}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handMallet finger may be associated with a(n) {{c1::avulsion}} fragment of the {{c2::distal base}} of the phal…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: Hand radiographYellow arrows: {{c1::dorsal avulsion fragment}}Diagnosis: {{c2::Mallet finger}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: hand radiographYellow arrows: {{c1::volar avulsion fragment}} Diagnosis {{c2::Jersey finge…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Jersey finger}} is injury of the {{c2::flexor tendon}} at the {{c2::distal phalanx}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Boutonniere deformities}} is injury to the {{c2::medial slip}} of the {{c2::extensor}} tendon at the…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handBoutonniere deformity is most commonly seen in the setting of {{c1::rheumatoid arthritis}}, but may also b…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handBoutonniere deformity is associated with {{c1::fixed flexion}} of the {{c2::PIP}} and {{c1::exte…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: hand radiographYellow arrows: fixed {{c1::flexion}} of the PIPRed arrows: {{c2::hyperextension}…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: hand radiographYellow arrow: nondisplaced {{c1::avulsion fragment}} at the base of the pro…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Gamekeeper's (skier/break-dancer's) thumb}} is due to rupture of the {{c2::ulnar collatera…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handGamekeeper's thumb is caused by forced thumb {{c1::abduction::mechanism}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handGamekeeper's thumb may be associated with a(n) {{c1::avulsion}} fragment of the {{c2::proximal base}}&nbsp…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handTreatment of incomplete ulnar collateral ligament tears → {{c1::Conservatively}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Stener}} lesion is a complete {{c2::UCL}} disruption with interposition of the {{c3::adductor aponeurosis…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handTreatment of Stener lesion → {{c1::surgically}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: coronal PD-weighted MRI with fat suppression"{{c1::Yo-yo on a string}}" sign: the {{c2::adducto…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Bennett}} fracture is a(n) {{c2::intra-articular}} fracture of the {{c3::thumb metacarpal base}}.
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Rolando}} fracture is a {{c2::comminuted}} form of the {{c3::Bennett}} fracture.
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: PA hand radiograph Yellow arrows: {{c3::comminuted intra-articular}} fracture at the …
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Boxer's}} fractrure is a fracture of the {{c2::metacarpal neck}} most commonly of the {{c3::5th}} di…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: PA radiograph of the handYellow arrows: fracture of the {{c1::fifth metacarpal neck}}Diagnosis:&nbsp…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c1::Volar plate}} fracture is a(n) {{c2::avulsion}} fracture of the volar aspect of the {{c3::proximal middle…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handCase: lateral hand radiographYellow arrows: subtle, tiny {{c1::avulsion fragment}} of the {{c2::volar}}&nb…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handVolar plate fractures are caused by {{c1::hyperextension::mechanism}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handIn dorsal intercalated segmental instability (DISI), what is the position of the lunate?{{c3::Titled backwards …
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c3::Dorsal}} intercalated segmental instability is typically due to {{c1::scapholuna…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and hand{{c2::Ventral}} intercalated segmental instability is typically due to a {{c1::lunatriquetral ligamen…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhat are the components of the scapholuante ligament?{{c1::dorsal}}{{c2::central}}{{c3::volar}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhich carpal bone is the most frequently injured?{{c1::Scaphoid}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handWhat location of scaphoid fractures have the highest risk of avascular necrosis?{{c2::Proximal}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handTriqeutral fracture on lateral wrist radiograph shows a(n) {{c1::avulsion fragment}} {{c2::dorsal::re…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handIn Boutonniere defomity, the {{c1::PIP}} joint herniates through the {{c2::lateral}} slips of the {{c…
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handTreatment of complete ulnar collateral ligament tears → {{c1::surgically}}
Published	05/01/2023	Musculoskeletal Imaging: Wrist and handMallet finger is caused by direct impact on the {{c1::tip}} of the finger
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