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isointense
We calculated , FA and C of T2-hyperintense lesions, T1-isointense lesions, T1-hypointense lesions and several areas of the NAWM.
      
Average T1-hypointense lesion was higher and average FA lower than the corresponding quantities of T1-isointense lesions, whereas average C of these two lesion populations were not different.
      
T1 hypointense and isointense lesions exhibited similar SI changes (joint test P?=?0.12).
      
The lesions generally show hypo, or isodensity on CT; a hypo-or isointense signal on T1-weighted images, and a hyperintense signal on T2-weighted images.
      
The intensity of those RNs was isointense to the surrounding hepatic parenchyma on enhanced MRI with administration of Gd-DTPA or SPIO.
      
In our limited experience with acute hematomas (less than 3 days old), low or isointense signal was seen with a short TR (0.5 s), but a relative increase in signal intensity was observed with a long TR (2.0 s).
      
With a short TR (0.5 s), two hemorrhagic lesions (5 and 7 days old) were displayed as an isointense signal surrounded by a rim of high intensity signal.
      
The lesion was isointense to grey matter on T1 weighted images allowing exclusion of other hypothalamic tumors.
      
These portions were isointense to brain on the T2-weighted images in all cases.
      
On the other hand, meningiomas tended to be isointense to the spinal cord on both T1 and T2 weighted SE images.
      
Blood clot (HU>amp;gt;60) appeared isointense, but mild and moderate SAH (HU>amp;lt;60) was indistinguishable from normal CSF.
      
Tumor invading the sinus was nearly isointense with cerebral gray matter.
      
Mature tuberculomas were composed of a dark necrotic center surrounded by an isointense capsule which was, in turn, surrounded by edema.
      
The signal intensity of granulomas was usually isointense to gray matter on both T1- and T2-weighted images, whether they were associated with diffuse meningitis or presented as localized tuberculoma(s).
      
This hypointensity gradually approached an isointense stage during 70-80 days after the ictus, abnormal intensities were not detected in any pulse sequence.
      
MRI revealed an isointense and high signal lesion on T1- and T2-weighted images, respectively, with homogeneous enhancement by Gd-DTPA.
      
The remaining two lesions were almost isointense, corresponding to amelanotic lesions.
      
On SE-T1WI, the majority of neurinomas (73.9%) were isointense to spinal cord while the minority (16.1%) were hypointense.
      
Whereas shunting blood and the normal cavernous sinus were of high intensity, presumed thrombosed cavernous sinuses were isointense with stationary brain tissue.
      
In the ganglioglioma, MRI demonstrated two isointense solid masses on T1-weighted SE images, which enhanced clearly with Gd-DTPA.
      
 

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