Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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SHR Neuro Krebs Kardio Lipid Stoffw Microb
Vom, Scheidt, A; Krug, J; Goggin, P; Bakker, AD; Busse, B.
2D vs. 3D Evaluation of Osteocyte Lacunae - Methodological Approaches, Recommended Parameters, and Challenges: A Narrative Review by the European Calcified Tissue Society (ECTS).
Curr Osteoporos Rep. 2024; 22(4):396-415
Doi: 10.1007/s11914-024-00877-z
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- vom Scheidt Annika
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- Abstract:
- PURPOSE OF REVIEW: Quantification of the morphology of osteocyte lacunae has become a powerful tool to investigate bone metabolism, pathologies and aging. This review will provide a brief overview of 2D and 3D imaging methods for the determination of lacunar shape, orientation, density, and volume. Deviations between 2D-based and 3D-based lacunar volume estimations are often not sufficiently addressed and may give rise to contradictory findings. Thus, the systematic error arising from 2D-based estimations of lacunar volume will be discussed, and an alternative calculation proposed. Further, standardized morphological parameters and best practices for sampling and segmentation are suggested. RECENT FINDINGS: We quantified the errors in reported estimation methods of lacunar volume based on 2D cross-sections, which increase with variations in lacunar orientation and histological cutting plane. The estimations of lacunar volume based on common practice in 2D imaging methods resulted in an underestimation of lacunar volume of up to 85% compared to actual lacunar volume in an artificial dataset. For a representative estimation of lacunar size and morphology based on 2D images, at least 400 lacunae should be assessed per sample.
- Find related publications in this database (using NLM MeSH Indexing)
- Humans - administration & dosage
- Osteocytes - cytology
- Imaging, Three-Dimensional - methods
- Bone Density - administration & dosage
- Bone and Bones - diagnostic imaging, pathology
- Image Processing, Computer-Assisted - methods
- Find related publications in this database (Keywords)
- Osteocyte
- Lacuna
- Lacunar volume
- 3D Imaging
- Microct
- Nanoct
- CLSM
- Synchrotron