Clinical question: Patient with question of visual field defect. Rule out acute cause. Signs and symptoms: Visual field deficit? Transient? Acute. Signs and symptoms: Visual field defect? Transient? No definitive evidence of hemorrhage, edema, mass effect, midline shift or hydrocephalus. Cortical sulci, ventricular system and all CSF cisterns remain essentially within normal for patient stated age. Further evaluation with an MRI is recommended. Calvarium, paranasal sinuses and mastoid air cells are within normal limits.
Negative CT of brain.