Magnetic resonance imaging of central nervous system haemorrhage.
The variable magnetic resonance imaging appearances of central nervous system haemorrhage, both intra- and extra-axial, are described. These will vary with the type of image contrast (T1 or T2 weighting), the nature of the imaging sequence (spin-echo or gradient-echo) and the time from onset of haemorrhage. Magnetic resonance imaging is a useful technique for imaging haemorrhage in the central nervous system as it yields temporal information about haematoma development, and it is the only non-invasive means of imaging intraspinal haemorrhage. It is, however, limited in the imaging of haematomas within 24 h of onset and in subarachnoid haemorrhage where computed tomography is the investigation of choice.
University of Melbourne Department of Radiology Austin Hospital, Vic., Australia.
M
M
Silberstein
O
O
Hennessy
D002493:Central Nervous System Diseases / Q000175:diagnosis*; D002543:Cerebral Hemorrhage / Q000175:diagnosis; D006470:Hemorrhage / Q000175:diagnosis*; D006801:Humans; D008279:Magnetic Resonance Imaging; D013116:Spinal Cord / Q000098:blood supply