From: Characteristics of gliomas in patients with somatic IDH mosaicism
Ollier disease | Maffucci syndrome | Enchondro-matosis | Sporadic IDH mutated gliomas | Enchondro-matosis versus sporadic IDH mutated glioma P-value | |
---|---|---|---|---|---|
N | 28 | 10 | 38 | 159 | |
N of gliomas | 45 | 12 | 57 | 161 | |
Sex ratio (M/F) | 18/10 | 7/3 | 25/13 | 91/68 | 0.4 |
Median age (years, range) | 24.7 (6–46) | 28.1 (17–39) | 25.6 (6–46) | 44 (6–81) | <0.0001 |
Histology | |||||
Grade II | 68 % (17/25) | 87.5 % (7/8) | 72.7 % (24/33) | 47 % (75/159) | 0.01 |
Grade III | 24 % (6/25) | 12.5 % (1/8) | 21.2 % (7/33) | 39 % (62/159) | 0.05 |
Grade IV | 8 % (2/25) | 6.1 % (2/33) | 14 % (22/159) | 0.4 | |
Location | |||||
Frontal | 53.4 % (24/45) | 58 % (7/12) | 54.1 % (31/57) | 67,1 % (108/161) | 0.1 |
Parietal | 4.4 % (2/45) | 3.6 % (2/57) | 7.5 % (12/161) | 0.4 | |
Insular | 4.4 % (2/45) | 3.6 % (2/57) | 5,6 % (9/161) | 0.7 | |
Temporal | 13.3 % (6/45) | 10.5 % (6/57) | 11.8 % (19/161) | 1 | |
Occipital | 2.2 % (1/45) | 1.8 % (1/57) | 1.9 % (3/161) | 1 | |
Brainstem | 15.7 % (7/45) | 42 % (5/12) | 21 % (12/57) | 0.6 % (1/161) | <0.0001 |
Gliomatosis | 4.4 % (2/45) | 3.6 % (2/57) | 5 % (8/161) | 1 | |
Thalamic | 2.2 % (1/45) | 1.8 % (1/57) | 0.6 % (1/161) | 1 | |
Multicentric | 39.2 % (11/28) | 10 % (1/10) | 31.6 % (12/38) | 1.3 % (2/159) | <0.0001 |
IDH mutation | 83 % (5/6) | 100 % (2/2) | 87.5 % (7/8) | 100 % | - |
1p/19q co-deletion | 0 % (0/5) | 0 % (0/1) | 0 % (0/6) | 48 % (59/123) | 0.03 |
Other intracranial Tumor | 25 % (7/21) | 43 % (3/7) | 36 % (10/28) | 1.9 % (3/159) | <0.0001 |
History of chondrosarcoma | 12.5 % (3/24) | 42.8 % (3/7) | 19.3 % (6/31) | 0 % | <0.0001 |