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Radiology Exam 2 > Upper Extremity > Flashcards

Upper Extremity Flashcards

1
Q

Importance of AP shoulder view to include_____ and _____ joints

A

AC & SC

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2
Q

For shoulder dislocations it is important to evaluate position of the humerus in relation to _____

A

glenoid

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3
Q

Y-scapula view is shows _____, _____ and _____.

A

acromion; coracoid process; scapular body

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4
Q

Y-scapula view showing anterior shoulder dislocation that in most cases is ______.

A

Sub-coracoid

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5
Q

In internal humeral rotation radiographs (esp. chest x-ray) overimposition of humeral head should not be confused with bone lesion. This is known as?

A

Humeral pseudotumour

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6
Q

Unfused secondary centre of acromion ossification. Can be symptomatic especially with repeated trauma. This is known as?

A

Os acromiale

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7
Q

Important to view anterior humeral line continuity and that no _____ or posterior fat pad elevation is seen.

A

sail sign

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8
Q

Tangential or Jones view to evaluate ______.

A

olecranon process

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9
Q

Importance of anterior humeral line is to evaluate for common pediatric fracture, known as _____fracture of distal humerus.

A

supracondylar

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10
Q

If Ant and Post fat pads are _____ (displaced)-indicates ______ of any abnormal source (e.g.fluid, blood, puss)

A

elevated; intra-articular effusion

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11
Q 
•C-capitellum
•R-radial head 
•I-internal condyle •T-trochlea 
•O-olecranon 
•E-external condyle
What are the ages for these structures to ossify?
A

•CRITOE (1-3-5-7-9-11)

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12
Q

Supracondylar process is found in __ %. What is the clinical significance?

A

<1%;
potentially compressing median nerve simulating signs of carpal tunnel syndrome or vascular pathology of the brachial artery compression

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13
Q

Osteochondroma will point (AWAY/ TOWARD) the joint?

A

AWAY

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14
Q

Radio-ulnar synostosis. Can be congenital or 2ndary to fracture or other pathology. What are the symptoms?

A

Unable to pronate/supine forearm

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15
Q

Congenital absence of the limb is known as?

A

Phacomelia

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16
Q

Phacomelia is a rare anomaly, which can be caused by?

A

Thalidomite embriopathy

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17
Q

What is polydactyly?

A

Having an extra digit

18
Q

Polydactyly can be seen in some _____ disorders

A

Congenital

19
Q

What is Synphalangism?

A

Digits fused together by means of bone and/or skin

20
Q

Complex Syndactyly due to Apert syndrome is also known as?

A

Acrocephalosyndactyly

21
Q

Complex syndactyly due to _____ syndrome

A

Apert

22
Q

Syndactily and synphalangism

May be part of ______ anomalies (e.g. Apert Syndrome)

A

severe congenital

23
Q

Accessory ossicle to ulnar styloid, triquetrum and sometimes lunate. (Not fracture) This is known as?

A

Os triangulare

24
Q

Persistant radial styloid is known as?

A

Os radiostyloidum

25
Q

Ossicle around trapezium

A

Os paratrapezium

26
Q

Unfused failed ossification centre of the Hook of the Hamate bone. Is known as?

A

Os Hamuli proprium

27
Q

_____ view of the wrist. Essential view for carpal navicular or scaphoid bone visualization.

A

Ulnar deviation

28
Q

Hands radiographs are important in evaluation of _____ and _____

A

trauma and arthritis

29
Q

How many views are needed for the hand?

A

Typically 4, at least 2 views.

30
Q

Metacarpal sign uses what view?

A

PA hand

31
Q

To test for Metacarpal sign: A line is drawn tangentially through the articular cortex of the ___ and ___ metacarpal heads

A

4th and 5th

32
Q

To test for Metacarpal sign: The line should pass distal to or just touch the ___metacarpal head

A

3rd

33
Q

To test for Metacarpal sign: If the line passes through the 3rd metacarpal head = _____ sign; usually due to fracture deformity

A

positive

34
Q

Normal Ulnar Radial

Relationship: ___ - ___ Differential

A

2.3-4.2 mm

35
Q

Lunate and triquetral bone fusing together is known as?

A

Luno-triquetral Coalition

36
Q

_____ are essential in the evaluation of trauma and alignment

A

Carpal arcs

37
Q

Carpal angle is essential to exclude some anomalies like _____ deformity.

A

Madelung

38
Q

Normal Carpal angle: ___-___ degree

A

130-137

39
Q

What is Madelung deformity?

A

Bowing of distal radius

40
Q

Brachydactyly

A

Shortening of digits, usually congenital

Radiology Exam 2 (3 decks)

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