Brain Pearls
Brain Pearls
Table 1
Diffusion values
of normal and pathological tissues in the brain.
Normal Brain Tissue
|
ADC µm2/ms
|
Normal White Matter [107]
|
0.705±0.014
|
Deep Gray Matter [108]
|
0.75±0.03
|
Neuroepithelial Tumors
|
ADC µm2/ms
|
WHO grade I, Dysembryoplastic Neuroepithelial Tumor [18]
|
2.546±0.135
|
WHO grade I, Pilocytic Astrocytoma [18]
|
1.659±0.260
|
WHO grade II, Diffuse Astrocytoma [18]
|
1.530±0.148
|
WHO grade II, Oligodendroglioma [18]
|
1.455
|
WHO grade II, Ependymoma [18]
|
1.230±0.119
|
WHO grade III, Anaplastic Astrocytoma [18]
|
1.245±0.153
|
WHO grade III, Anaplastic Oligodendroglioma [18]
|
1.222±0.093
|
WHO grade III, Anaplastic Ependymoma [18]
|
1.103±0.101
|
WHO grade IV, Glioblastoma [18]
|
1.079±0.154
|
WHO grade IV, PNET [18]
|
0.835±0.122
|
WHO grade IV, Medulloblastoma [23]
|
0.66±0.15
|
Other Brain Tumors
|
ADC µm2/ms
|
Chraniopharyngioma [18]
|
1.572±0.210
|
Schwannoma [18]
|
1.384±0.140
|
Epidermoid [18]
|
1.263±0.174
|
Germ Cell Tumor [18]
|
1.189±0.175
|
Metastatic Tumor [18]
|
1.149±0.192
|
Pituitary Adenoma [18]
|
1.121±0.202
|
Typical Meningeoma [109]
|
1.17±0.21
|
Atypical/Malignant Meningeoma [109]
|
0.75±0.21
|
Malignant Lymphoma [18]
|
0.725±0.192
|
Secondary Changes and Other Pathologies
|
ADC µm2/ms
|
Vasogenic (Peritumoral) Edema [19]
|
1.30±0.11
|
Peritumoral Edema (High-Grade Glial Tumors) [17]
|
1.825±0.115
|
Cytotoxic (Ischemic) Edema [19]
|
1.04±0.05
|
Cystic/Necrotic Tumor Areas [38]
|
2.70±0.31
|
Abscess [38]
|
0.65±0.16
|
Acute Stroke [110]
|
0.401±0.143
|
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