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Test 2 - NRAD

Normal Radiographic Anatomy - The extremities

QuestionAnswer
What are the 2 views in the Standard Shoulder Series? 1.AP with external rotation of the humerus 2.AP with internal rotation of the humerus
***Which view is the greater tuberosity of the humerus seen in profile? AP shoulder -external rotation
***Which view is the lesser tuberosity of the humerus seen en face? AP shoulder - external rotation
***Which view is the greater tuberosity of the humerus seen in en face? AP shoulder - Internal rotation
***Which view is the lesser tuberosity of the humerus seen in profile? AP shoulder - Internal rotation
***When is greater tuberosity seen: in profile? en face? What view is the lesser tuberosity seen: in profile? en face? Greater tuberosity: in profile = external, and en face = internal. Lesser tuberosity: en face = external, profile = internal
What is the accessory shoulder view when the humerus is 90 degress of abduction and external rotation, giving a lateral projection of the humeral head? Baby Arm Projection
What is the accessory shoulder view that is shot AP with the patient rotated 35-45 degrees with the arm externally rotated, it allows clear visualization of the glenohumeral joint? Grashey Spot Projection
In what shoulder view is the Cresent sign not visible? Grashey Spot Projection
What is the accessory shoulder view that allows visualization of the scapula without superimposition? Lateral Scapula or "Y" projection
***What should the distance be between the acromion process and the humeral head? The distance should be between 7-11mm
***When measuring the distance b/w the acromion process and the humeral head and then comparing the left side to the right side, there is a problem if there is more than _____mm when comparing the 2 shoulders? when there is more than 2mm when comparing the two shoulders
What is a developmental variation at the attachment site of the costoclavicular ligament? Rhomboid Fossa
When is Vacuum Phenomenon not good? If vacuum phenomenon is seen in discs then its bad, if its seen in extremities its fine
What represents an ununited secondary ossification center, its an accessory ossicle at the inferior angle of the scapula? Os Infrascapular
What is a congenitally high position of the scapula, it may be unilateral or bilateral? Sprengle Deformity
What allows passage of the medial branch of the supraclavicular nerve? Supraclavicular foramen
***What view gives a pseudotumor appearance? AP shoulder - Internal Rotation
What is pseudotumor apperance? cystic appearance produced by the greater tuberosity
What are the 3 views for the Standard Elbow Series? 1. AP elbow 2.Medial Oblique Elbow 3.Lateral Elbow
T/F AP elbow view is taken in pronation? the Medial Oblique Elbow is taken in supination? Lateral elbow taken in flexion? False: AP elbow = supination Medial Oblique elbow = pronation, Lateral elbow = 90 degre flexion, thumb up
What is the accessory elbow projection that allows clear visualization of the trochlea-olecranon joint space? Jones Projection (aka Tangential Olecranon Projection)
What is the accessory elbow projection that allows visualization of otherwise obscure fractures of the trochlea and ulna? Capitellum view
What is the most common fracture in the elbow? the head of the radius
***List the Order of Appearance of the Elbow Ossification Centers? (CRITOE) Capittelum, Radial Head, Internal (medial) epicondyle, Trochlea, Olecranon, External (lateral) epicondyle
T/F there are NO visible elbow ossification centers at birth? true
***In a lateral view of the elbow, should Anterior and Posterior fat pads be seen? You should never see a Posterior fat pad, the Anterior fat pad should be seen, BUT if its in a triangle shape then there is a problem
T/F You should see posterior fat pads and ant fat pads in a triangle shape? No, no, no. Posterior fat pads should never be seen, and Anterior fat pads should be seen but not in a triangle shape
What is the complication with Radioulnar synostosis? It may decrease supination or pronation
What is a Supracondylar Process? An osseous projection on the anteromedial aspect of the distal humerus
What is seen around 10% of the time with Supracondylar Process that may cause neurovascular signs or symptoms? Struther's Ligament
Created by: pcc Normal Rad