Diagnostic Imaging Part 1

Question 1

1 cause of calcaneal spur

Answer 1

Plantar fascitis

Question 2

2 cause of calcaneal spur

Answer 2

Reiter’s

Question 3

HLA B27 + Arthropathies

Answer 3

PEAR
Psoriatic
Enteropathic
AS
Reiter's (Reactive)

Question 4

MC BBT of appendicualr skeleton

Answer 4

Osteochondroma

Question 5

HME description

Answer 5

Multiple Osteochondromas–> 20% undergo malignancy

Question 6

Fallen fragment sign is associated with

Answer 6

Unicameral Bone Cyst

Question 7

ABC location

Answer 7

Eccentrically

Question 8

Giant cell tumor location

Answer 8

Epiphyseal/ Metaphyseal

Question 9

Giant cell tumor age

Answer 9

20-40

Question 10

Giant Cell tumor appearance

Answer 10

Soap bubble

Question 11

Chondroblastoma location and MC age

Answer 11

Epiphysel/ Metaphyseal

<20 y/o

Question 12

Radiolucent central nidus with sever reactive sclerosis

Answer 12

Osteoid Osteoma

Question 13

MC BBT of the hand

Answer 13

Enchondroma

Question 14

What is Ollier’s DZ?

Answer 14

Multiple Enchondromas

Question 15

Ollier’s chance of malignant degeneration

Answer 15

10-50%

Question 16

MC BBT of the spine

Answer 16

Hemangioma

Question 17

Hemangioma appearance

Answer 17

Vertical striations (Corduroy cloth)

Question 18

MC BBT to affect neural arch

Answer 18

Osteoblastoma

Question 19

MC place to see Osteoma

Answer 19

Frontal Sinus

Question 20

MC BBT to affect the skull

Answer 20

Osteoma

Question 21

Best view for Osteoma

Answer 21

Caldwell projection

Question 22

Signs of Fibrous Dysplasia

Answer 22

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

Question 23

Neurofibromatosis signs

Answer 23

Cafe Au lait spots
IVF enlargement
Coast of California

Question 24

MC primary malignancy of bone

Answer 24

Multiple Myeloma

Question 25

Rain drop skull

Answer 25

Multiple Myeloma

Question 26

Multiple myeloma xray appearance

Answer 26

Multiple dark densities similar in size aka Punched out lesions

Question 27

Multiple myeloma can cause...

Answer 27

Pathological collapse (vertebra plana)

Question 28

Labs for multiple myeloma

Answer 28

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

Question 29

Lytic METs appearance

Answer 29

Bone darker in color--> Eats away at pedicle | Swiss cheese appearance

Question 30

MC malignancy of Bone

Answer 30

METs

Question 31

Lab for lytic mets

Answer 31

Alkaline Phosphatase

Question 32

MC Mets age 20-40

Answer 32

Hodgkin's (Caucasian Male)

Question 33

Hodgkin's appearance on film

Answer 33

Ivory white vertebrae with anterior body scalloping

Question 34

How to confirm Hodgkin's

Answer 34

Biopsy --> Reed Sternberg cells

Question 35

Stages of Paget's

Answer 35

1. Lytic/ Destructive 2. Combined 3. Sclerotic 4. Malignant (**Osteosarcoma**)

Question 36

Labs for Paget's

Answer 36

Alkaline Phosphatase Urinary hydroxyproline Hot on Bone scan

Question 37

Blastic Mets appearance

Answer 37

Ivory White --> No cortical thickening or bone enlargement

Question 38

MC malignancy seen in children

Answer 38

Osteosarcoma

Question 39

Ewing's Sarcoma appearance

Answer 39

Multi paralleled onion skin (laminated)

Question 40

MC and 2nd MC location of a Chordoma

Answer 40

MC--> Skull | 2nd MC --> Sacrum

Question 41

Best way to measure Scoliosis

Answer 41

Cobb's* and Riser Ferguson

Question 42

Scoliosis Tx under 20 degrees

Answer 42

Adjust and monitor

Question 43

Scoliosis risk over 50 degrees

Answer 43

Cardiopulmonary compromise and DJD

Question 44

3 ways to monitior scoliosis

Answer 44

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

Question 45

RA radiologic signs

Answer 45

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

Question 46

MC ages for AS

Answer 46

Male 15-35 y/o

Question 47

Signs of RA

Answer 47

``` Iritis Shiny corner sign --> early Bamboo Spine Dagger sign Trolley track sign poker spine ```

Question 48

Labs for AS

Answer 48

+ HLA B27 | + ESR

Question 49

PA signs

Answer 49

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

Question 50

Reiter's signs on film

Answer 50

Fluffy periostitis

Question 51

Reiter's Symptoms

Answer 51

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

Question 52

Cause of Reiter's

Answer 52

Chlamydia

Question 53

Labs for Reiter's

Answer 53

+ESR | +HLA B27