1. Medical and Surgical Management of Intracranial Aneurysms
Fredric B. Meyer, M.D., Akio Morita, M.D., Michael R. Puumala, M.D., Douglas A. Nichols, M.D. 
Mayo Clinic Proceedings 
Volume 70, Issue 2, Pages (February 1995)
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Copyright © 1995 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Fig. 1
Distribution of aneurysms by site for complete series of Mayo Clinic patients. ACA = anterior cerebral artery; BAC = basilar artery caput; ICA = internal carotid artery; MCA = middle cerebral artery; VB = vertebral artery. MCA, ACA, and ICA constitute anterior circulation, and VB and BAC constitute posterior circulation.
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3. Fig. 2
Distribution of aneurysm by size for complete series of Mayo Clinic patients. Categories are secular (<1.5 cm), globular ( cm), and giant (>2.5 cm).
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4. Fig. 3
Distribution of aneurysms by outcome for complete series of Mayo Clinic patients. Categories of outcome are defined in Table 8.
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5. Fig. 4
Outcome for each decade of life, as percentage of each age-group.
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6. Fig. 5
Distribution by outcome for 1,196 patients treated surgically for aneurysmal subarachnoid hemorrhage (SAH).
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7. Fig. 6
Outcomes by time from subarachnoid hemorrhage (SAH) to operation tor patients with clinical modified Botterell grades 1 to 4, A-D, respectively, as percentage for each period. Day of SAH is considered day 0. For this group, 625 had grade 1, 343 had grade 2, 165 had grade 3, and 63 had grade 4.
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