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Cerebral aneurysm
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Cerebral aneurysm Cerebral aneurysm · Symptoms – history of migraines, persistent headache with several months duration, different from usual headache · Imaging o Computer tomography – CT § Fast and readily available § Excellent for detection of acute hemorrhage o Magnetic resonance imaging - MRI § Higher soft tissue resolution / contrast § Multiplanar capability o Plain film – not indicated · Normal Head CT o Blood, acute § High attenuation – bright o Midline – is symmetry preserved o Ventricles o Cisterns o Sulci o Grey white matter interface o Soft tissue o Bones o Sinuses · Precontrast o Spherical mass, smooth margin, high attenuation, slight mass effect, located just anterior to the circle of Willis. No acute haemorrhage, edema or infarct o At the level of the midbrain and cerebellum o Differential diagnosis :
Signs of Pneumoperitoneum on Abdominal Radiograph
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