Table 5 Sonographic appearance of intracranial tumors
Case # | Pathology (WHO grade) | Gd contrast enhancement (intensity and distribution) | US ability to localize tumor (well/poor) | US ability to delineate tumor margins (well/moderate/poor) | Echogenicity |
|---|---|---|---|---|---|
1 | GBM (IV) | Strong with patchy non-enhancing | Well | Moderate | Hyper/mixed* |
2 | PA (I) | Strong patchy | Well | Well | Hyper |
3 | Oligoastro (II) | Faint patchy | Well | Poor | Iso |
4 | GBM (IV) | Faint Patchy | Well | Moderate | Hyper/mixed |
5 | GBM (IV) | Faint Patchy | Well | Well | Hyper/mixed |
6 | PXA (II) | Enhancing nodule with cyst | Well | Well | Hyper with hypoechoic cyst |
7 | GBM (IV) | Moderate heterogeneous | Well | Well | Hyper/mixed |
8 | GBM (IV) | Strong rim enhancement | Well | Well | Hyper/mixed |
9 | GBM (IV) | Strong with areas of necrosis | Well | Well | Hyper/mixed |
10 | GBM (IV) | Strong rim enhancement | Well | Well | Hyperechoic borders, less hyperechoic core |
11 | GBM (IV) | Rim enhancement | Well | Well | Hyperechoic borders, less hyperechoic core |
12 | Diffuse Astrocytoma (II) | Non enhancing | Poor | Poor | Iso to hyper with homogenous texture |
13 | GBM (IV) | Strong with areas of necrosis | Well | Moderate | Hyper/Mixed |
14 | Diffuse Astrocytoma (II) | Non enhancing | Poor | Poor | Iso |
15 | Anaplastic PXA (III) | Homogenous enhancement | Well | Well | Hyper |
16 | Anaplastic Astrocytoma (III) | Cyst with enhancing wall and a mural nodule | Well | Well | Hyper (nodule)–Hypo (cyst) |
17 | GBM (IV) | Thick ring enhancement | Well | Well | Hyper/Mixed |