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  • Author or Editor: Masayoshi Kowada x
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Jiro Suzuki, Tokuo Wada and Masayoshi Kowada

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Masayoshi Kowada, Koichi Yamaguchi, Shigeru Matsuoka and Zentaro Ito

✓ Leakage of contrast material during angiography is an uncommon phenomenon in hypertensive intracerebral hemorrhage. Intraparenchymal extravasation was demonstrated in five of 12 patients in whom serial cartoid angiography was carried out within 5 hours of hemorrhage. Extravasated material, first noted in the arterial phase, grew in size and density until the early venous phase and was still visible on the last 10-sec film. Three of the four in whom the hematoma was evacuated surgically showed clinical improvement.

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Cerebral Ischemia

I. An Improved Experimental Method for Study; Cardiovascular Effects and Demonstration of an Early Vascular Lesion in the Rabbit

Masayoshi Kowada, Adelbert Ames III, Guido Majno and R. Lewis Wright