![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjuevrWThCUpkpMlW2gEL6-CjFaWLkz5ApVQ7JN35AuKnwsjf52VFaybaLrVpfDgltTnMmYwyYSRaxXHz70iS_CvrDptC-0Pt6mPNgTbXBdk5qM94_kI_WJZhmz-CnWzEhVr77zKB4F6hA/s400/image1.jpg)
Image shows inverted femoral physes (inverted V configuration), which contributes to a waddling gait.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXJVTvN0Ti6XiLio5SYdtwfiNliKy4t-Md9XzZnkQdqLIZW-u2gV5MI_IKsxpmMn6moL_hETPPMQGYyuc6H5EBHfsRN3eXHc6wiBgVIiOAo_4ii-eBA6rL6OcyNPQ-70U67fyqyZDWFeM/s400/image2.jpg)
Enlarged calvaria. Note the enlarged mandible.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhkttPTQ5qbS_FMnYetXx9YiIGhKWj7k-qYSUzEnqZCyS4WS8N-KzpZpgncr0NKqME8t6g0GOGLhH1inMyeNlVMvpQ7XCbX9j5zqczPfodeflR_Mq_hGMlZ6YXx0sZHhBI4IVhccVN8RFU/s400/image3.jpg)
Achondroplasia: Sagittal section of the cervical spine T2-weighted MRI showing narrowing of the foramen magnum at C1 canal, effacement of the subarachnoid spaces at the cervicomedullary junction, abnormal intrinsic cord signal intensity in this 6-year-old patient who presented with a neurologic deficit.