Diagnostic Imaging Part 1 Flashcards

1
Q

1 cause of calcaneal spur

A

Plantar fascitis

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2
Q

2 cause of calcaneal spur

A

Reiter’s

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3
Q

HLA B27 + Arthropathies

A
PEAR
Psoriatic
Enteropathic
AS
Reiter's (Reactive)
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4
Q

MC BBT of appendicualr skeleton

A

Osteochondroma

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5
Q

HME description

A

Multiple Osteochondromas–> 20% undergo malignancy

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6
Q

Fallen fragment sign is associated with

A

Unicameral Bone Cyst

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7
Q

ABC location

A

Eccentrically

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8
Q

Giant cell tumor location

A

Epiphyseal/ Metaphyseal

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9
Q

Giant cell tumor age

A

20-40

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10
Q

Giant Cell tumor appearance

A

Soap bubble

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11
Q

Chondroblastoma location and MC age

A

Epiphysel/ Metaphyseal

<20 y/o

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12
Q

Radiolucent central nidus with sever reactive sclerosis

A

Osteoid Osteoma

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13
Q

MC BBT of the hand

A

Enchondroma

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14
Q

What is Ollier’s DZ?

A

Multiple Enchondromas

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15
Q

Ollier’s chance of malignant degeneration

A

10-50%

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16
Q

MC BBT of the spine

A

Hemangioma

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17
Q

Hemangioma appearance

A

Vertical striations (Corduroy cloth)

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18
Q

MC BBT to affect neural arch

A

Osteoblastoma

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19
Q

MC place to see Osteoma

A

Frontal Sinus

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20
Q

MC BBT to affect the skull

A

Osteoma

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21
Q

Best view for Osteoma

A

Caldwell projection

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22
Q

Signs of Fibrous Dysplasia

A

Rind Sign
Saber Shin Tibia
Sheppard’s Crook
Coast of Maine appearance (jagged)

23
Q

Neurofibromatosis signs

A

Cafe Au lait spots
IVF enlargement
Coast of California

24
Q

MC primary malignancy of bone

A

Multiple Myeloma

25
Q

Rain drop skull

A

Multiple Myeloma

26
Q

Multiple myeloma xray appearance

A

Multiple dark densities similar in size aka Punched out lesions

27
Q

Multiple myeloma can cause…

A

Pathological collapse (vertebra plana)

28
Q

Labs for multiple myeloma

A
M spike on electrophoresis
Reversal of A/G ratio
Bence Jones Proteinuria
Elevated ESR
Bone Scan is COLD
29
Q

Lytic METs appearance

A

Bone darker in color–> Eats away at pedicle

Swiss cheese appearance

30
Q

MC malignancy of Bone

A

METs

31
Q

Lab for lytic mets

A

Alkaline Phosphatase

32
Q

MC Mets age 20-40

A

Hodgkin’s (Caucasian Male)

33
Q

Hodgkin’s appearance on film

A

Ivory white vertebrae with anterior body scalloping

34
Q

How to confirm Hodgkin’s

A

Biopsy –> Reed Sternberg cells

35
Q

Stages of Paget’s

A
  1. Lytic/ Destructive
  2. Combined
  3. Sclerotic
  4. Malignant (Osteosarcoma)
36
Q

Labs for Paget’s

A

Alkaline Phosphatase
Urinary hydroxyproline
Hot on Bone scan

37
Q

Blastic Mets appearance

A

Ivory White –> No cortical thickening or bone enlargement

38
Q

MC malignancy seen in children

A

Osteosarcoma

39
Q

Ewing’s Sarcoma appearance

A

Multi paralleled onion skin (laminated)

40
Q

MC and 2nd MC location of a Chordoma

A

MC–> Skull

2nd MC –> Sacrum

41
Q

Best way to measure Scoliosis

A

Cobb’s* and Riser Ferguson

42
Q

Scoliosis Tx under 20 degrees

A

Adjust and monitor

43
Q

Scoliosis risk over 50 degrees

A

Cardiopulmonary compromise and DJD

44
Q

3 ways to monitior scoliosis

A

Risser’s Sign
Wrist Films
Tanner’s SIgn/ Scale

45
Q

RA radiologic signs

A
Rat bite erosions
DIPs spared*
Atlanto-axial instability
Heygarth's nodes
Ulnar/fibular deviation--> Lanois Deformity
46
Q

MC ages for AS

A

Male 15-35 y/o

47
Q

Signs of RA

A
Iritis
Shiny corner sign --> early
Bamboo Spine
Dagger sign
Trolley track sign
poker spine
48
Q

Labs for AS

A

+ HLA B27

+ ESR

49
Q

PA signs

A
Increased joint space
Mouse ear deformity
pencil in cup deformity
Ray sign
AA Instability
Non- marginal Syndesmophytes in spine
50
Q

Reiter’s signs on film

A

Fluffy periostitis

51
Q

Reiter’s Symptoms

A
*Can't see, can't pee, can't dance with me*
Urethritis
Conjunctivitis
Arthritis
Oral Ulcers
52
Q

Cause of Reiter’s

A

Chlamydia

53
Q

Labs for Reiter’s

A

+ESR

+HLA B27