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Table 2 Brain tumors encountered in the German Neuropathology Reference Center for Epilepsy surgery

From: Low-grade developmental and epilepsy associated brain tumors: a critical update 2020

Tumor entity

Number (%)

Location temporal

Age @ Onset

Disease Duration

Age @ Surgery

GG

886 (52.7)

81.6%

12,8

11,8

25,0

DNT

288 (17.1)

72.5%

14,6

10,8

25,0

PA

90 (5.4)

65%

14,9

11,9

24,2

LGNET

62 (3.7)

78.3%

17,3

12,8

29,4

IDG

40 (2.4)

42.5%

14,9

15,3

24,9

AG

13 (0.8)

53.8%

5,0

14,3

15,8

MVNT

6 (0.4)

66.7%

17,3

20,7

35,2

PGNT

4 (0.2)

75%

12,0

1,0

23,3

Total of LEAT

1389 (82.7)

76.8%

13,6

11,8

25,1

PXA

41 (2.4)

85.3%

18,6

12,2

29,7

CYSTS

34 (2)

82.4%

22,4

11,7

35,2

OLIGO

99 (5.9)

53.4%

24,2

12,4

38,1

ASTRO

70 (4.2)

57.1%

26,2

6,5

32,8

MEN

24 (1.4)

45.5%

40,7

6,2

46,1

OTHER

23 (1.4)

52.9%

17,1

9,5

26,8

Total of non-LEAT

291 (17.3)

61.6%

24,2

10,0

35,1

Total

1680

74.0%

15,5

11,5

26,9

  1. GG ganglioglioma, DNT dysembryoplastic neuroepithelial tumor, PA pilocytic astrocytoma, LGNET low-grade neuroepithelial tumors (not otherwise specified), IDG isomorphic diffuse glioma, AG angiocentric glioma, PGNT papillary glio-neuronal tumor, MVNT multinodular and vacuolated neuronal tumor of the cerebrum, PXA pleomorphic xanthoastrocytoma, CYSTS dermoid, epidermoid or arachnoidal cysts (excluding LEAT with cystic components), OLIGO diffuse gliomas with oligodendroglial phenotypes, i.e. oligodendrogliomas or mixed oligoastrocytomas diagnosed before discovery of IDH1 mutations and 1p/19q co-deletions, ASTRO diffuse glioma with astroglial phenotypes, MEN meningioma, OTHER brain tumors of low frequency including desmoplastic infantile ganglioglioma, neurocytoma, osteoma, subependymoma, or teratoma). Location: specifying the percentage of tumors located in the temporal lobe; Age@onset: age at onset in years. Disease duration: duration of epilepsy in years. Age@surgery: age at surgery in years