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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 entityNumber (%)Location temporalAge @ OnsetDisease DurationAge @ Surgery
GG886 (52.7)81.6%12,811,825,0
DNT288 (17.1)72.5%14,610,825,0
PA90 (5.4)65%14,911,924,2
LGNET62 (3.7)78.3%17,312,829,4
IDG40 (2.4)42.5%14,915,324,9
AG13 (0.8)53.8%5,014,315,8
MVNT6 (0.4)66.7%17,320,735,2
PGNT4 (0.2)75%12,01,023,3
Total of LEAT1389 (82.7)76.8%13,611,825,1
PXA41 (2.4)85.3%18,612,229,7
CYSTS34 (2)82.4%22,411,735,2
OLIGO99 (5.9)53.4%24,212,438,1
ASTRO70 (4.2)57.1%26,26,532,8
MEN24 (1.4)45.5%40,76,246,1
OTHER23 (1.4)52.9%17,19,526,8
Total of non-LEAT291 (17.3)61.6%24,210,035,1
Total168074.0%15,511,526,9
  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