Brain, MRI Appearance of Hemorrhage(링크)

http://emedicine.medscape.com/article/344973-overview

 

Phase	Time	Hemoglobin, Location	T1WI	T2WI
Hyperacute	<24h	Oxyhemoglobin, intracellular	isointense or hypointense	hyperintense
Acute	1-3d	Deoxyhemoglobin, intracellular	hypointense	hypointense
Early subacute	>3d	Methemoglobin, intracellular	hyperintense	hypointense
Late subacute	>7d	Methemoglobin, extracellular	hyperintense	hyperintense
Chronic	>14d	Ferritin and hemosiderin, extracellular	hypointense	hypointense