Table 6 The number (No.) of patients with a) optic pathways gliomas, b) mass effect from focal abnormal signal intensities (FASI), and c) contrast enhancement of FASI on their first and subsequent MRI scans is shown
MRI number | No. of patients | Median age at MRI (min.-max.) in years | aNo. of patients with optic pathways gliomas | The no. of patients with FASI displaying: | |
|---|---|---|---|---|---|
aMass effect | bContrast enhancement | ||||
First | 50 | 7.3 (1.2–18.2) | 18 | 3 | 5 |
Second | 36 | 9.4 (1.8–23.4) | 17 | 2 | 3 |
Third | 28 | 11 (2.8–24.4) | 16 | 2 | 4 |
Fourth | 21 | 10.1 (3.3–25.4) | 16 | 2 | 4 |
Fifth | 16 | 10.6 (4.4–26.4) | 11 | 1 | 2 |
Sixth | 15 | 11.2 (5.4–27.5) | 11 | 0 | 4 |
Seventh | 12 | 10.2 (5.8–27.6) | 10 | 0 | 3 |
Eighth | 10 | 12.5 (7.4–27.7) | 9 | 0 | 4 |
Ninth | 10 | 13.7 (8.1–28.1) | 9 | 0 | 4 |
Tenth | 8 | 15.9 (9.2–28.3) | 7 | 0 | 4 |
Eleventh | 7 | 16.9 (13–28.6) | 6 | 0 | 3 |
Twelfth | 5 | 17.7 (15–28.8) | 4 | 1 | 3 |
Thirteenth | 3 | 17.8 (16.1–21.4) | 2 | 0 | 2 |
Fourteenth | 2 | 20.4 (18.9–21.9) | 1 | 0 | 1 |
Fifteenth | 2 | 21.1 (19.1–23) | 1 | 0 | 1 |
Sixteenth | 1 | 19.9 | 1 | 0 | 1 |