Reader assessments on presence of outline sign performed independently and as a consensus opinion classified by tumor histopathology
| Tumor Histopathology | # Positive Outline Sign–Reader A (%) | # Positive Outline Sign–Reader B (%) | # of Cases in Which There was Interreader Agreement, of the Total Number of Cases (%) |
|---|---|---|---|
| Meningioma (n = 14) | 12 (86%) | 13 (93%) | 13/14 (93%) |
| Schwannoma (n = 22) | 3 (14%) | 4 (18%) | 19/22 (86%) |
| Paraganglioma (n = 3) | 1 (33%) | 0 (0%) | 2/3 (67%) |