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Thalamic Intracerebral Hemorrhage

A 52 year-old hypertensive man developed headache, nausea and vomiting, associated with right sided numbness which slowly worsened over thirty minutes.

   Outline the Thalamic Blood                  Note the Isointense Signal on T1                  Note the Dark Signal on T2

(Left) Axial CT scan:; (Middle) T1-weighted image; (Right) T2-weighted image. Note the high density in the left thalamus, indicating acute hemorrhage. On the T1-weighted image, the abnormality is not well seen. However, note the decreased signal on the T2-weighted image (representing deoxyhemoglobin. This is the MRI picture of an acute/subacute stroke.

Revised 05/04/06.
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