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Questions and Answers
What does Stulberg 1 represent?
What does Stulberg 1 represent?
- Flat head and flat acetabulum (Aspherical congruency→OA late adulthood)
- Spherical head with coxa magna/breva or steep acetabulum (Spherical Congruency)
- Normal Spherical Head (Spherical congruency→No OA) (correct)
- Non-spherical head (Aspherical congruency→OA late adulthood)
What characterizes Stulberg 2?
What characterizes Stulberg 2?
Spherical head with coxa magna/breva or steep acetabulum (Spherical Congruency)
Describe Stulberg 3.
Describe Stulberg 3.
Non-spherical head (Aspherical congruency→OA late adulthood)
What does Stulberg 4 indicate?
What does Stulberg 4 indicate?
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What is Stulberg 5?
What is Stulberg 5?
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Study Notes
Stulberg Classification System for Perthes at Skeletal Maturity
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Stulberg 1:
- Represents a normal spherical femoral head.
- Characterized by spherical congruency with no osteoarthritis (OA) development.
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Stulberg 2:
- Indicates a spherical head but may have associated conditions like coxa magna or coxa breva.
- Possesses a steep acetabulum with maintained spherical congruency.
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Stulberg 3:
- Features a non-spherical femoral head.
- Associated with aspherical congruency, leading to the potential for osteoarthritis in late adulthood.
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Stulberg 4:
- Identified by a flat femoral head and flat acetabulum.
- Also demonstrates aspherical congruency, signifying risk for osteoarthritis during late adulthood.
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Stulberg 5:
- Characterized by aspherical incongruence in the hip joint.
- Indicates a higher likelihood of developing osteoarthritis before the age of 50.
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