Posterior fossa meningioma presenting as hypnic headache.
D003388:Cranial Fossa, Posterior; D003937:Diagnosis, Differential; D005260:Female; D020773:Headache Disorders / Q000175:diagnosis* / Q000209:etiology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008577:Meningeal Neoplasms / Q000150:complications* / Q000175:diagnosis*; D008579:Meningioma / Q000150:complications* / Q000175:diagnosis*; D008875:Middle Aged; D012008:Recurrence