These MRIs are pre-operative examinations performed in 159 subjects with Low Grade Gliomas (WHO grade II & III). Segmentation of tumors in three axial slices that include the one with the largest tumor diameter and ones below and above are provided in NiFTI format.  Tumor grade and histologic type are also available.  All of these subjects have biopsy proven 1p/19q results, performed using FISH.  For the 1p/19q status "n/n" means neither 1p nor 19q were deleted. "d/d" means 1p and 19q are co-deleted. 

Data Access

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Images (DICOM, 2.7GB)


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Segmentations (NiFTI, 2.9GB)

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1p19q Status and Histologic Type

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Detailed Description

Collection Statistics

Updated 2017/07/31



Number of Participants


Number of Studies


Number of Series


Number of Images


Image Size (GB) 2.7

Supporting Documentation and Metadata

For the 1p/19q status "n/n" means neither 1p nor 19q were deleted. "d/d" means 1p and 19q are co-deleted.

Citations & Data Usage Policy 

Erickson, Bradley; Akkus, Zeynettin; Sedlar, Jiri; Korfiatis, Panagiotis. (2017). Data From LGG-1p19qDeletion. The Cancer Imaging Archive. DOI:

Zeynettin Akkus, Issa Ali, Jiří Sedlář, Jay P. Agrawal, Ian F. Parney, Caterina Giannini, and Bradley J. Erickson.Predicting Deletion of Chromosomal Arms 1p/19q in Low-Grade Gliomas from MR Images Using Machine Intelligence. J Digit Imaging. 2017 Aug; 30(4): 469–476. Published online 2017 Jun 9.  DOI: PMCID: PMC5537096

Clark K, Vendt B, Smith K, Freymann J, Kirby J, Koppel P, Moore S, Phillips S, Maffitt D, Pringle M, Tarbox L, Prior F. (2013) The Cancer Imaging Archive (TCIA): Maintaining and Operating a Public Information Repository, Journal of Digital Imaging, Volume 26, Number 6 pp 1045-1057. DOI:

Other Publications Using This Data

  1. Bradley J. Erickson, Panagiotis Korfiatis, Zeynettin Akkus, Timothy Kline, Kenneth Philbrick. Toolkits and Libraries for Deep Learning. Journal of Digital Imaging 2017 p1618-1627.

TCIA maintains a list of publications that leverage our data. If you have a  publication  you'd like to add, please  contact the TCIA Helpdesk .

Version 1 (Current): Updated 2017/09/30

Data Type Download all or Query/Filter
Images (2.7GB)


Segmentations (NiFTi, 2.9GB)
1p19q Status and Histologic Type