Xray

Question 1

Chamberlins line

Answer 1

Hard Palate to Foramen Magnum, measuring for

basilar invagination

Question 2

McGregors line

Answer 2

From the hard palate to the occiput,

Basilar invagination

Question 3

Martins Basilar angle

Answer 3

Nasion to the sella, to the foramen magnum

(Platybasia, arnold chiari

Question 4

McRaes line

Answer 4

Ant. foramen magnum to post foramen magnum

Basilar Impression

Question 5

Jacksons stress lines

Answer 5

post C2 and Post C7 to see which vertebra lines intersect
hyper is 4-5
normal is 4-5
kyphotic is 5-6

Question 6

Spinolaminar line

Answer 6

ant. aspect of SP’s

Question 7

Spinal canal measurements for
UC
cervical
Lumbar

Answer 7

22
12
15

Question 8

Retro Pharyngeal space

Answer 8

7

Question 9

Retro Laryngeal

Answer 9

14

Question 10

Retro Trachial

Answer 10

22 (C-6 cricoid)

Question 11

ADI sapces

Answer 11

5 kid 3 adult

Question 12

Coracoclavicular space

Answer 12

normal 4-5
sprain 6-8
separation >9

Question 13

Glenohumeral

Answer 13

4mm djd cppd, >5 post dislocation

Question 14

Acromiohumeral

Answer 14

7-11

Question 15

Tube tilt with oblique films in cervicals.

Which is prefered?

Answer 15

15 degrees Caudad for ant. and Cephalad for post.

Ant. Decreases pneumbra

Question 16

where does aorta bicurcate

Answer 16

L2-L4

Question 17

how wide to be considered AAA

Emergency size?

Answer 17

3.5 CM

5-6CM

Question 18

PNEUMOCONIOSIS

• 1 Silicosis
• 2 Anthracosis
• 3 Byssinosis
• 4 Asbestosis
• 5 Bagastosis
• 6 Histoplasmosis

Answer 18

Granulomas from occupational dust
1 associated with TB, sandblasting
2 Black lung
3 Cotton
4 causes mesothelioma tumors, construction
5 sugar
6 Mississippi and Ohio river valleys, birds poop chicken coops

Question 19

What does Lymphoma do on Xray?

Answer 19

Widens the mediastinum

Question 20

Hodskins lymphoma symptoms

Answer 20

Relapsing fever, ivory white vertebra, anterior scalloping

Question 21

Osteosarcoma

Answer 21

Young (10-25)
Knee
Blastic (50%)
lytic or mixed
Codmans triangle
Agressive spiculating, radiating periosteal rxn. 
SOMETIME VERY OLD PEOPLE
loves to head to the lungs

Question 22

Chondrosarcoma

Answer 22

Adult lesion-
Secondary origin to pre-existing cartilaginous(popcorn matrix) lesion
like an enchondroma or osteochondroma.

Question 23

Ewings Sarcoma

Answer 23

Diaphyseal tumor in children with

parallel laminated periosteal reaction or saucerization. Permeative pattern of bone destruction and mild fever.