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A proposed grading system for arteriovenous malformations.
An important factor in making a recommendation for treatment of a patient with arteriovenous malformation (AVM) is to estimate the risk of surgery for that patient. A simple, broadly applicable… Expand
The natural history of familial cavernous malformations: results of an ongoing study.
Cavernous malformations are congenital abnormalities of the cerebral vessels that affect 0.5% to 0.7% of the population. They occur in two forms: a sporadic form characterized by isolated lesions,… Expand
Cavernous malformations of the brainstem: experience with 100 patients.
OBJECT In this study the authors review surgical experience with cavernous malformations of the brainstem (CMBs) in an attempt to define more clearly the natural history, indications, and risks of… Expand
Late angiographic follow-up review of surgically treated aneurysms.
- C. David, A. Vishteh, R. Spetzler, M. Lemole, M. Lawton, S. Partovi
- Journal of neurosurgery
- 1 September 1999
OBJECT This study was undertaken to evaluate the long-term angiographic outcome of surgically treated aneurysms, which is unknown. Specifically, the incidence of recurrent aneurysms, the fate of… Expand
Modified classification of spinal cord vascular lesions.
The literature on spinal vascular malformations contains a great deal of confusing terminology. Some of the nomenclature is inconsistent with the lesions described. Based on the experience of the… Expand
Prospective evaluation of surgical microscope-integrated intraoperative near-infrared indocyanine green videoangiography during aneurysm surgery.
OBJECT The authors prospectively compared a new technique of surgical microscope-based indocyanine green (ICG) videoangiography with intraoperative or postoperative digital subtraction (DS)… Expand
Incidental subcortical lesions identified on magnetic resonance imaging in the elderly. I. Correlation with age and cerebrovascular risk factors.
Patchy subcortical foci of increased signal intensity are frequently identified on magnetic resonance imaging (MRI) in the elderly. The incidence and clinical correlates of these lesions remain… Expand
The prospective application of a grading system for arteriovenous malformations.
The decision-making process whereby treatment is offered to a patient with an arteriovenous malformation (AVM) must be supported by an understanding of the risks related to the natural history of the… Expand
Relationship of perfusion pressure and size to risk of hemorrhage from arteriovenous malformations.
- R. Spetzler, R. W. Hargraves, P. W. McCormick, J. Zabramski, R. A. Flom, R. S. Zimmerman
- Journal of neurosurgery
- 1 June 1992
The relationship between the size of an arteriovenous malformation (AVM) and its propensity to hemorrhage is unclear. Although nidus volume increases geometrically with respect to AVM diameter,… Expand
A 3-tier classification of cerebral arteriovenous malformations. Clinical article.
OBJECT The authors propose a 3-tier classification for cerebral arteriovenous malformations (AVMs). The classification is based on the original 5-tier Spetzler-Martin grading system, and reflects the… Expand