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UNC MSK Course Day 3 Lab XR UNKNOWNS(for self study)
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Anatomy, name?
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Ilium
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Anatomy?
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Ischium
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Anatomy?
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Pubic and ischial rami
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Anatomy?
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Acetabulum and femoral head
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Anatomy?
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Pubic symphysis and Obturator foramen
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Anatomy?
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Femoral neck Greater trochanter Lesser trochater
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Name of bone?
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Innominate
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Pathology?
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Fracture of Ilium into acetabulum
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Pathology?
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Fracture of Ilium into acetabulum Swelling & hematoma iliacus, gluteus maximus
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Pathology?
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Dislocation SI joint Fractures rami Fracture femoral neck
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Pathology?
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Anterior dislocation hip
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Anatomy?
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Lateral or frog leg view of hipGreater trochanterLesser trochanter
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Pathology?
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Fracture of femur in child
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Anatomy?
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PatellaFibular headMed & lat epicondylesMed & lat condylesMed & lat tibial plateaus
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Pathology?
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Varus knees with mild medial compartment degenerative arthritis.
Patient has had a valgus producing osteotomy on R to relieve pressure on medial compartmentNormal is 5-10 degrees valgus alignment between the fermoral and tibial shafts. Is 0 degrees in this patients L knee and so he is actually in varus mechanically.Medial compartment joint space narrowing and small osteophyte
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Anatomy?View?
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Anatomy?PatellaView?Sunrise view
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Pathology?
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Pathology?
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Patella fracture.Difficult to see on AP view.
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Pathology?
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Bicondylar tibial plateau fracture.
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Anatomy?
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This is a coronal plane MRI. What are the arrowed structures?
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ACLPCLMCL
Medial and lateral meniscii.
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This is a saggital plane MRI. What compartment of the knee is this slice through?
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What are these structures?The presence of the fibula tells us it is through the lateral compartment.
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Patellar tendon (ligament)Anterior and posterior horns of the lateral meniscusThe presence of the fibula tells us it is the lateral compartment.
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What is this structure?
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ACL
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What is this structure?
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PCL
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Pathology?
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Degenerative tear posterior horn medial meniscus (its not solid black like it should be).
Healthy lateral meniscus is solid black
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T2 weighted MRI of same degenerative tear posterior horn medial meniscus.
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Pathology?
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Fracture tibia and fibula
Cast
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Pathology?
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Pathology?
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Fracture of fibula (hard to see on lateral view - this is why it is often said that you MUST have two views)
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Anatomy?
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Anatomy?Medial malleolusLateral malleolusTalus
AP viewMortise view
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Anatomy?
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Anatomy?Posterior malleolusTalar bodyTalar neckTalar headCalcaneusNavicularCuboid
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Pathology?
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Pathology?Fracture fragment from talar dome
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Pathology?
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Pathology?Bimalleolar ankle fracture.
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Pathology?
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Pathology?Bimalleolar ankle fracture with posterior subluxation of talus in ankle mortise
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Pathology?
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Pathology?Fracture of lateral malleolus with rupture of deltoid ligament and lateral shift of talus in mortise
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Pathology?
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Pathology?Fracture of talar neck and body
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Anatomy?
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Anatomy?
Sesamoids
Medial cunieformNavicularLateral cuneiformCuboidOs peroneus
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Pathology?
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Pathology?
Fracture, base of 5th metatarsal
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Pathology?
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Pathology?
Fracture 5th metatarsal shaft
Incidental note: bipartite medial sesamoid
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Alaska, inside passage