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A Clinical, Radioisotopic, Angiographic Correlation of Increased Relative Perfusion to the Area of Cerebral Infarction

Philip Yarnell, MD; Duncan Burdick, MD; Bob Sanders, MD

Arch Neurol. 1974;30(1):65-69.

Abstract
Thirteen patients with cerebral infarction showed increased relative blood perfusion to the infarcted hemisphere when studied by gamma camera, intravenous sodium pertechnetate Tc 99m flow and static techniques.

The temporal evolution of the relative increased flow was correlated with the static study uptake and the angiogram.

The "hot stroke" phenomenon as seen with these methods was most often associated with embolic rather than atherosclerotic-thrombotic infarction.

The differential diagnosis of increased flow to an area of increased static uptake is discussed.

Author Affiliations
Denver

From the Division of Neurology (Dr. Yarnell) and Department of Radiology (Drs. Burdick and Sanders), Denver General Hospital, University of Colorado Medical School, Denver.

Footnotes
Accepted for publication July 24, 1973.

Reprint requests to Division of Neurology, Denver General Hospital, West Seventh Ave and Cherokee St, Denver 80204 (Dr. Yarnell).

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