Meningioangiomatosis: A Case Report and Literature Review Emphasizing Diverse Appearance on Different Imaging Modalities

Table 3

Meningioangiomatosis appearance on magnetic resonance imaging. Summary of the MR head imaging findings of meningoangiomatosis cases reported in the literature.

Magnetic resonance imaging^c
Total patients in literature search: 101. Patients with MR: 79. Normal MR: 2. # of patients left: 77
T1 intensity (𝑛=46)
Unspecified	31
Hyperintense	2 (4.3%)
Isointense	9 (19.6%)
Hypointense	26 (56.5%)
Mixed	9 (19.6%)
T2 intensity (𝑛=58)
Unspecified	19
Hyperintense	29 (50.0%)
Isointense	3 (5.2%)
Hypointense	8 (13.8%)
Mixed	18 (31.0%)
T1 enhancement (𝑛=49)
Unspecified	28
Yes	39 (79.6%)
No	10 (20.4%)
Artifact (𝑛=46)
Unspecified	31
Yes	26 (56.5%)
No	20 (43.5%)
Edema (𝑛=50)
Unspecified	27
Yes	23 (46%)
No	27 (54%)

^cThere are multiple reports which do not signify certain details. These cases are denoted as “unspecified” and are subtracted from the total number of patients when calculating percentages. Number of patients included in calculating percentages in each subset is denoted by (𝑛).