Friday, October 11, 2019
October 2019 Quiz Answers
Congrats to - Dr. Dey, Bonney, Vosburgh, Lussier, and The Great Yoni
Answers!
Spine
1. 3; Anterior (anterior 1/2 of vertebral body and ALL), Middle (posterior 1/2 of the vertebral body and PLL), and posterior (posterior elements, facets, associated ligaments) (4 points)
2. 2 to 3 columns (1 point)
3. 2/3 width of C2 body level at C3 and C4 and no more than 14 mm at C6 (1 point)
4. 1 - Anterior vertebral line, 2. Posterior vertebral line, 3. spinal laminar line, 4 - posterior spinous line; Posterior spinous line is least likely to be associated with significant instability (2 points)
5. 2.5 mm; 5 mm (1 point)
6. Hypoglossal canal or jugular foramen; Cranial nerves IX and XII (2 points)
7. Type 1 - Tip; 2 - waist or base; 3 - extend into the body (1 point)
8. Flexion teardrop (1 point)
9. c (1 point)
10. b (a would have been 100%) (1 point)
15 points
Pelvis
11. d (1 point)
12. inferior (1 point)
13. AP compression, lateral compression, vertical shear (1 point)
14. iliac crest (abdominal muscles), anterior superior iliac spine (sartorius), anterior inferior iliac spine (rectus femoris), inferior pubic ramus (adductor muscles), ischial tuberosity (hamstrings) - (5 points)
15. Anterior wall, posterior wall, transverse, anterior column, posterior column (1 point)
16. Separates the upper hemipelvis from the lower hemipelvis and can occur above, at, or inferior to the roof of the acetabulum (1 point)
10
Hip and Femur
17. medial and lateral circumflex femoral arteries from the profunda femoris artery (1 point)
18. Greater in profile; lesser - hidden (1 point)
19. AVN (1 point)
20. e (1 point)
21. 10-16; males, AA, obese, delayed skeletal maturation (2 points)
6
Total - 31 points +/- bonus
Sunday, October 6, 2019
October Quiz
October Quiz - Get Your Geek On!
Spine
1. Spine stability can be thought of through the ___ column model. How many columns and what make them up?
2. Disruption of how many columns lead to instability?
3. In general, what are the rules for prevertebral thickness in kids?
4.
What are the lines? Of the lines, which is likely the least significant for stability?
5. What is the normal atlantodental space in adults? In children?
6. In the setting of an occipital condyle fracture, what canals might be involved? What respective cranial nerves may be injured?
7. What are the 3 types of odontoid fractures?
8. Anterior inferior corner fragment with widening of the posterior disc space and spinous processes is concerning for what type of injury?
9. Extension injuries are associated with?
a. Widened spinous process distance
b. PLL disruption and facet dislocation
c. tear or stretch of ALL and disruption of the anterior annulus fibrosus
d. tear or stretch of PLL and disruption of the anterior annulus fibrosus
10. 90% of thoracic and lumbar fractures occur?
a. T1-L5
b. T11-L4
c. T12-L2
D. T10-L3
Pelvis
11. Fracture of what suggests the presence of occult sacral fractures?
a. L5 body
b. L4 transverse process
c. L4 body
d. L5 transverse process
e. b and c
12. The superior or inferior margin of the pubic symphysis is allowed some step off.
13. What are the 3 major types of pelvic ring fractures?
14. What are the 5 apophyses and what muscle attachment that are associated with pelvic apophyseal avulsion fractures?
15. What are the 5 primary fracture patterns of the acetabulum?
16. What is a transverse acetabular fracture?
Hip and Femur
17. What is the major blood supplier of the femoral head?
18. When the femur is internally rotated, which trochanter is in profile and which is hidden?
19. What complication increases significantly with the length of time till reduction of a dislocated hip?
20. If a patient is osteoporotic with hip pain and/or inability to walk and a normal x-ray - what study should be recommended?
a. Repeat x-ray with weight bearing
b. CT
c. CT arthrogram
d. US
e. MRI
21. SCFE - what age group and what types of patients get the process?
Bonus - If I form a new band - which name should I choose - Points based on explanation
a. The MR Shims
b. Bros Before Defacography Hose
c. Flight of the Barium
d. Anna Phylaxis
e. Ultra Sound
f. HIDA the Money
G. Clash of the Liver US
H. How Low Can UR Gastrograffin Go
i. I Don't Chiari I Bit
J. Other - your suggestion
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