Sarcoidosis of the foramen magnum.
D000328:Adult; D005260:Female; D005539:Foramen Magnum / Q000473:pathology* / Q000601:surgery; D006801:Humans; D009423:Nervous System Neoplasms / Q000473:pathology*; D012507:Sarcoidosis / Q000473:pathology* / Q000601:surgery