Presentation
Palbable painful mass beyond the left mastoid process
Patient Data
Age: 30 years
Gender: Female
From the case:
Additional atlanto-occipital articulation
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/80826/annotated_viewer_json?lang=us"}
There is anomalous junction between osseous mass originating from the mastoid process and the left C1 transverse process.
7mm caudal dislocation of cerebellar tonsils through the foramen magnum
Case Discussion
There are two craniovertebral anomalies, one of them is relatively rare and cause patient's symptoms
Unable to process the form. Check for errors and try again.