Abstract
A 72-year-old male was diagnosed as having ankylosing spondylitis, mainly according to radiological findings, confirmed as HLA-B27-negative. Postmortem examination of the skeleton raised doubts on the initial diagnosis, since spinal findings pointed out also to diffuse idiopathic skeletal hyperostosis. The authors discuss the differential diagnosis and enhance the postmortem findings which allowed the diagnosis of the two clinical entities in the same patient.
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Acknowledgements
The authors wish to thank Dra. Monica Cos to help us in the interpretation of the radiological images, and Eng. Carlos M. Sá (CEMUP-UP) for the use of the SEM-XRM equipment and for his expertise. X Jordana is a Post-doctoral Fellow of the Fundação para a Ciência e Tecnologia (FCT), Portugal. Funding ref.: SFRH/BPD/26683/2006.
Conflict of interest
X Jordana, I Galtés, AR Couto, L Gales, M Damas, M Lima, J Bruges-Armas have no disclosures or conflicts of interest.
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Jordana, X., Galtés, I., Couto, A.R. et al. The coexistence of ankylosing spondylitis and diffuse idiopathic skeletal hyperostosis—a postmortem diagnosis. Clin Rheumatol 28, 353–356 (2009). https://doi.org/10.1007/s10067-008-1068-9
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DOI: https://doi.org/10.1007/s10067-008-1068-9