CLINICAL HISTORY:
INDICATION: Age: . Gender: . History:
COMPARISON: No previous study available.
FINDINGS:
Hardware:
Bones:
Right acetabular angle: Â Â Â Â degrees
Right femoral head coverage:
Left acetabular angle: Â Â Â Â degrees
Left femoral head coverage:
Soft tissues:
Normal Reference Values*:
Newborn: Â Â Â 28.8+/-4.8 (female), Â 26.4+/-4.4 (male)
3-months: Â Â 25+/-3.5 (female), Â Â Â Â 22+/-4 (male)
6-months: Â Â 23.2+/-4 (female), Â Â Â Â 20.3+/-3.7 (male)
1-year: Â Â Â Â Â Â 21.2+/-3.8 (female), Â 19.8+/-3.6 (male)
2-years: Â Â Â Â 18+/-4 (female), Â Â Â Â Â Â Â 19+/-3.6 (male)
*Ozonoff MB. Pediatric Orthopedic Radiology 2nd ed. Philadelphia, Saunders, 1992, p181
IMPRESSION:
Frequently Asked Questions
What is developmental dysplasia of the hip (DDH) in children?
Developmental dysplasia of the hip (DDH) is a condition where a child's hip joint doesn't form properly. It can lead to instability or dislocation of the hip. Early diagnosis and treatment are crucial for proper hip development. DDH is more common in females and first-born children.
How is a pediatric hip X-ray used to diagnose DDH?
A pediatric hip X-ray helps diagnose DDH by measuring the acetabular angle and femoral head coverage. These measurements indicate whether the hip socket is properly formed. Reference values for these measurements vary by age and gender, helping doctors determine if the hip joint is developing normally.
What are normal acetabular angle values for infants?
Normal acetabular angle values vary with age and gender. For newborns, the angle is about 28.8 degrees for females and 26.4 degrees for males. These angles decrease as the child grows, reaching approximately 18 degrees for females and 19 degrees for males by two years of age.
Why is early detection of DDH important?
Early detection of DDH is crucial because it allows for timely treatment, which can prevent future complications such as hip pain, limping, or arthritis. Early treatment options might include bracing or, in some cases, surgery, to ensure the hip develops correctly.
Can DDH affect both hips in a child?
Yes, DDH can affect one or both hips. It's more common in the left hip but can occur in both hips, known as bilateral DDH. Bilateral cases require careful monitoring and treatment to ensure proper joint development.
What are the treatment options for developmental dysplasia of the hip?
Treatment options for DDH depend on the child's age and the severity of the condition. They may include the use of a Pavlik harness, which holds the hips in the correct position, or surgical intervention in more severe cases. The goal is to ensure the hip joint develops correctly.
How often should a pediatric hip X-ray be done for monitoring DDH?
The frequency of pediatric hip X-rays for monitoring DDH depends on the treatment plan and the progression of the condition. Typically, X-rays may be done every few months to track hip development and adjust treatment as necessary. Your doctor will provide a specific schedule based on your child's needs.