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Quantitative comparison of 21 protocols for labeling hippocampal subfields and parahippocampal subregions in in vivo MRI: Towards a harmonized segmentation protocol

Open access
Yushkevich, Paul A., Amaral, Robert S.C., Augustinack, Jean C., Bender, Andrew R., Bernstein, Jeffrey D., Boccardi, Marina, Bocchetta, Martina, Burggren, Alison C., Carr, Valerie A., Chakravarty, M. Mallar, Chételat, Gaël, Daugherty, Ana M., Davachi, Lila, Ding, Song-Lin, Ekstrom, Arne, Geerlings, Mirjam I., Hassan, Abdul, Huang, Yushan, Iglesias, J. Eugenio, La Joie, Renaud, Kerchner, Geoffrey A., LaRocque, Karen F., Libby, Laura A., Malykhin, Nikolai, Mueller, Susanne G., Olsen, Rosanna K., Palombo, Daniela J., Parekh, Mansi B., Pluta, John B., Preston, Alison R., Pruessner, Jens C., Ranganath, Charan, Raz, Naftali, Schlichting, Margaret L., Schoemaker, Dorothee, Singh, Sachi, Stark, Craig E.L., Suthana, Nanthia, Tompary, Alexa, Turowski, Marta M., Van Leemput, Koen, Wagner, Anthony D., Wang, Lei, Winterburn, Julie L., Wisse, Laura E.M., Yassa, Michael A., Zeineh, Michael M.·2015·NeuroImage

Abstract

OBJECTIVE An increasing number of human in vivo magnetic resonance imaging (MRI) studies have focused on examining the structure and function of the subfields of the hippocampal formation (the dentate gyrus, CA fields 1–3, and the subiculum) and subregions of the parahippocampal gyrus (entorhinal, perirhinal, and parahippocampal cortices). The ability to interpret the results of such studies and to relate them to each other would be improved if a common standard existed for labeling hippocampal subfields and parahippocampal subregions. Currently, research groups label different subsets of structures and use different rules, landmarks, and cues to define their anatomical extents. This paper characterizes, both qualitatively and quantitatively, the variability in the existing manual segmentation protocols for labeling hippocampal and parahippocampal substructures in MRI, with the goal of guiding subsequent work on developing a harmonized substructure segmentation protocol. METHOD MRI scans of a single healthy adult human subject were acquired both at 3 Tesla and 7 Tesla. Representatives from 21 research groups applied their respective manual segmentation protocols to the MRI modalities of their choice. The resulting set of 21 segmentations was analyzed in a common anatomical space to quantify similarity and identify areas of agreement. RESULTS The differences between the 21 protocols include the region within which segmentation is performed, the set of anatomical labels used, and the extents of specific anatomical labels. The greatest overall disagreement among the protocols is at the CA1/subiculum boundary, and disagreement across all structures is greatest in the anterior portion of the hippocampal formation relative to the body and tail. CONCLUSIONS The combined examination of the 21 protocols in the same dataset suggests possible strategies towards developing a harmonized subfield segmentation protocol and facilitates comparison between published studies.

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Metadata

Authors
Yushkevich, P. A., Amaral, R. S. C., Augustinack, J. C., Bender, A. R., Bernstein, J. D., Boccardi, M., Bocchetta, M., Burggren, A. C., Carr, V. A., Chakravarty, M. M., Chételat, G., Daugherty, A. M., Davachi, L., Ding, S.-L., Ekstrom, A., Geerlings, M. I., Hassan, A., Huang, Y., Iglesias, J. E., La Joie, R., Kerchner, G. A., LaRocque, K. F., Libby, L. A., Malykhin, N., Mueller, S. G., Olsen, R. K., Palombo, D. J., Parekh, M. B., Pluta, J. B., Preston, A. R., Pruessner, J. C., Ranganath, C., Raz, N., Schlichting, M. L., Schoemaker, D., Singh, S., Stark, C. E. L., Suthana, N., Tompary, A., Turowski, M. M., Van Leemput, K., Wagner, A. D., Wang, L., Winterburn, J. L., Wisse, L. E. M., Yassa, M. A., & Zeineh, M. M.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2015-05
Volume
111
Pages
526-541
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2165570456
Cited by
345
References
11
FWCI
33.50
Type
journal article
Language
en
Open access
green

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Yushkevich, P. A., Amaral, R. S. C., Augustinack, J. C., Bender, A. R., Bernstein, J. D., Boccardi, M., Bocchetta, M., Burggren, A. C., Carr, V. A., Chakravarty, M. M., Chételat, G., Daugherty, A. M., Davachi, L., Ding, S.-L., Ekstrom, A., Geerlings, M. I., Hassan, A., Huang, Y., Iglesias, J. E., . . . Zeineh, M. M. (2015). Quantitative comparison of 21 protocols for labeling hippocampal subfields and parahippocampal subregions in in vivo MRI: Towards a harmonized segmentation protocol. NeuroImage. https://doi.org/10.1016/j.neuroimage.2015.01.004

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.