Radiologic Findings of Achondroplasia

Image shows inverted femoral physes (inverted V configuration), which contributes to a waddling gait.


Enlarged calvaria. Note the enlarged mandible.


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.