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Association of myelodysplastic syndrome and relapsing polychondritis: further evidence
M Hebbar1, M Brouillard, E Wattel
1Department of Internal Medicine, CHU, Lille, France.
Abstract:
We report five patients with both a myelodysplastic syndrome (MDS) and relapsing polychondritis (RP), that represented 0.6% of all MDS and 28% of all RP diagnosed over a period of 14 years. Ten other cases had previously been reported (four in detail), supporting a non-fortuitous association between the two disorders, already suggested for MDS and some other immunological disorders.
Insights
This study found a significant association between myelodysplastic syndrome (MDS) and relapsing polychondritis (RP). Five new cases highlight the non-fortuitous link between these rare conditions.
Area of Science:
- Hematology
- Rheumatology
- Immunology
Background:
- Relapsing polychondritis (RP) is a rare autoimmune disease affecting cartilage.
- Myelodysplastic syndromes (MDS) are a group of clonal hematopoietic stem cell disorders.
- Previous research suggested potential links between MDS and other autoimmune conditions.
Purpose of the Study:
- To investigate the association between myelodysplastic syndrome (MDS) and relapsing polychondritis (RP).
- To determine the prevalence of RP in MDS patients and vice versa.
Main Methods:
- Retrospective analysis of patient records over 14 years.
- Identification of patients diagnosed with both MDS and RP.
Main Results:
- Five new cases of concurrent MDS and RP were identified.
- These cases represented 0.6% of all MDS and 28% of all RP diagnoses.
- Ten previously reported cases support a non-fortuitous association.
Conclusions:
- A significant association exists between myelodysplastic syndrome and relapsing polychondritis.
- This finding supports the hypothesis of a link between MDS and certain immunological disorders.