Mapping the bare area and transcortical pores in finger joints: co-location with bone erosions in rheumatoid arthritis
Authors' conclusion
These findings support the bare areas, but not transcortical pores, as structural determinants for erosion location in finger joints in RA.
Study context
- Population
- Finger joints of deceased individuals obtained postmortem, and patients with rheumatoid arthritis (RA)
- Participants
- 8 vs 22
- Exposure
- Postmortem vs RA
- Postmortemn = 8
- RAn = 22
- Outcome
- Number, size and spatial distribution of transcortical pores and extent of bare areas; anatomical relationship of RA erosions to bare areas
Methodological detailsdescriptive, postmortem micro-CT and histology, HR-pQCT in patients with RA
- Descriptive
- Postmortem micro-CT and histology
- HR-pQCT in patients with RA
Main finding
As reported in the abstract
- In RA, all erosions confined to or overlapping with the bare areas
- 26
Observational data: associations, not effects.
Original publication
Mapping the bare area and transcortical pores in finger joints: co-location with bone erosions in rheumatoid arthritis. RMD Open. Published 22 January 2026. doi:10.
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