Radiology/Clinical Anatomy of the Back - Dr. Benninger

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Basic three images of cervical spine

1. Long AP
2. Lateral include T1
3. Open mouth AP

Three lines of the lateral view

- 1) Anterior margin of vertebral body
- 2) Posterior margin of vertebral body
- 3) Bases of spinous processes

Why lateral view?

-Odontoid peg is visible
-70% pathologies detectable from lateral view

What to look for in lateral view?

- Osteophytes (bone spurs or projections) on bone
- Distance between bones is no more than 3 millimeters in adults and 5 millimeters in children

What to look for in Long AP view?

- bilateral uniformity.
- No space is 50% wider than one above or below it.
---if patient has neck spasms could be more ---
- Spinous processes lining up.
- Space on each side of odontoid peg should be equal

Where are vertebral injuries most common in cervical spine?

C1-C2, C5-C7

Significance of Psoas major AP view?

If you can't see it, there may be a hematoma or aneurysm blocking your view. Red flag!

Sacral indentation or dimple indicates?

PSIS or S2 level.

What level is the inferior angle of the scapula?

T7

What level is the superior angle of the scapula?

T4

Lumbar triangle of auscultation borders?

- Latissimus Dorsi
- Iliac Crest
- External obliques

Triangle of auscultation borders?

Trapezius, Latissimus dorsi, medial border of the scapula.

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