Hemorrhage into cerebral

Hemorrhage into cerebral infarcts or hemorrhagic transformation... 

Venous malformations consist of collections of venous channels and a large draining vein. Most are asymptomatic but they may present with hemorrhage into the ventricles, or seizures. On contrast CT, the draining vein may appear as a linear enhancing streak, but a flow void on MRl is more sensitive. The definitive diagnosis is made on the venous phase of a cerebral angiogram. 

Neurological involvement in Behcet s disease may be subclassified into two major forms a vascular-inflammatory process with focal or multifocal parenchymal involvement and a cerebral venous sinus thrombosis with intracranial hypertension. The vasculitis and meningitis may affect cerebral arteries, particularly in the posterior circulation, to cause ischemic stroke and possibly intracranial hemorrhage (Farah et al. 1998 Krespi et al 2001 Siva et al. 2004 Borhani Haghighi et al. 2005). 

Inhibition of liver MAO leaves the patient vulnerable to the so-called wine-and-cheese syndrome, with adverse cardiovascular effects caused by absorption of such vasoactive amines as tyramine into the general circulation [for review, see Blackwell et al. (23)], The syndrome can include severe headache and hypertension and may lead to cerebral hemorrhage and death. Although this is a real risk, it seems likely that fears of MAOfood interactions may have been grossly exaggerated. Pare (24) reviewed the evidence in 1985 and noted that despite the widespread use of MAO inhibitors in the previous decade there had only been 17 reports of food interactions with phenelzine (19) and none of these proved fatal. With tranylcypromine (23) seven deaths had been reported, but in only two of these could a definite relationship with diet be established. 

Cerebral hemorrhage Escaping of blood from an artery into the cerebrum a form of stroke. 

Atrial myxoma is a rare atrial tumor that causes multiple emboli of either thrombus or myxomatous tissue. When myxomatous material is embolized from the left atrium into the brain arteries, they may cause the formation of multiple distal cerebral aneurysms with risk of hemorrhage [46]. Papillary fibroelastomas are rare benign cardiac tumors usually involving a heart valve. They are small vascular growths with marked papillary projections. They usually grow on the aortic or mitral valves. The tumor consists of fibrous tissue surrounded by an elastic membrane, which in turn is covered by endothelium. One of the most conunon clinical presentations is of transient ischemic attack or stroke [47,48]. 

Hemorrhagic transformation (HT) of brain infarction represents secondary bleeding into ischemic tissue with a natural incidence of 15-26% during the first 2 weeks and up to 43% over the first month after cerebral infarction [47-50], Pathophysiology, classification, predisposing factors, and conventional MRI findings have been discussed previously in Chap. 6. 

None too good, I think. He s suffered a lot of cerebral stress, which pushed him into shock. If I m interpreting this display right, his neural symbionts were subjected to a massive trauma. Some of the bitek synapses are dead, and there s minor hemorrhaging where they interface with his medulla oblongata."... 

Intracranial aneurysms, also known as brain or cerebral aneurysms, are balloon-like bulges in the arteries in the brain and are caused by a weakening of the vessel. If ruptured, bleeding into the brain will occur, leading to a subarachnoid hemorrhage, which can in turn lead to hemorrhagic stroke, brain damage, and death. Approximately 2% of the population will develop an intracranial aneurysm with a rupture rate of 0.7% [51]. 

In this model, pathologically, no cerebral tissue injury was observed during ischemia alone. However, reperfusion for 6 h caused margination and intravascular aggregation of neutrophils with edematous change in parenchyma. Reperfusion for up to 12 h induced massive neutrophil infiltration into the parenchyma, with severe hemorrhagic and edematous change. 

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