Chronic migraine without aura, not intractable, without status migrainosus [G43.709], Reason for Study: ^Reason: structural cause for headache History: headache No evidence of acute ischemic or hemorrhagic lesion.The ventricles, sulci and cisterns are symmetric and unremarkable. There is no mass, mass effect, edema, midline shift, intra or extra-axial fluid collection/hemorrhage, or restricted diffusion/acute ischemia. The midline structures and cranial-cervical junction are normal. Normal flow voids are identified in the major intracranial vessels. The mastoid air cells are clear.Multiple retention cysts on bilateral maxillary sinuses, and sphenoid sinus.
Normal brain MRI except multiple paranasal sinus retention cysts.