EXERCISE 2: WHAT STRUCTURE IS THIS?
Exercise 2 Objective: Teach the user to recognize radiographic anatomy correctly on the normal radiographs of the routine evaluation of the cervical lumbar spine.
Exercise type: 2: What Structure is This?
Instruction: User will look at the highlighted structure and identify it from a list of five possibilities. Remember, as per viewing convention, the patient is facing you in anatomic position. The patient’s left side is on your right-hand side.
View: Anteroposterior Lumbar Spine
Question Rationale: The superior end of the sacrum is its base.
Question Rationale: L5 is identified by its articulation to the sacral base; the spinous process is midline and sharply defined by its osseous margins.
Question Rationale: The sacroiliac joint is represented by the radiolucent area between the sacral ala and the ilium.