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Are Myelodysplastic Syndromes Underdiagnosed in Poland? A Report by the Polish Adult Leukaemia Group

Journal Title: 
Eur J Haematol
Primary Author: 
Drozd-Sokołowska JE
Author(s): 
Drozd-Sokołowska JE, Mądry K, Waszczuk-Gajda A, Żóltak T, Sikorska A, Mital A, Wajs J, Semeńczuk G, Szmigielska-Kapłon A, Szczepańska M, Wasilewska E, Szwedyk P, Hołojda J, Wątek M, Stella-Hołowiecka B, Soroka-Wojtaszko M, Homenda W, Polak M
Original Publication Date: 
Tuesday, October 4, 2016

OBJECTIVES:

The epidemiology of myelodysplastic syndromes (MDS) differs among countries. Here we present the first epidemiological indices determined for Poland.

METHODS:

21 haematological centres participated in the study. Patients diagnosed with MDS and acute myeloid leukaemia (AML) with 20-29% blasts were enrolled. Data collection was conducted for strictly predefined period.

RESULTS:

The overall crude incidence rate for all MDS subtypes was 1.95 (95% CI, 1.81-2.09) per 100,000 person-years; 2.46 (95% CI, 2.24-2.69) for males, and 1.47 (95% CI, 1.31-1.65) for females; after excluding AML cases, the indices were as follows: 2.35 (95% CI, 2.08-2.66) for males, and 1.27 (95% CI, 1.08-1.5) for females. Prevalence rate was 6.2 per 100 000 persons (95% CI, 5.96-6.45), i.e. 6.86 (95% CI, 6.49-7.24) for males, and 5.58 (95% CI, 5.26-5.92) for females. Both incidence and prevalence increased with increasing age. The most frequently diagnosed MDS subtype was refractory cytopenia with multilineage dysplasia (RCMD), responsible for 30.3% of all newly diagnosed MDSs.

CONCLUSIONS:

RCMD is the most frequent MDS subtype in Poland. Incidence and prevalence indices are lower than those reported for other populations, which probably results from inadequate diagnosis of potential cases of this disease. This article is protected by copyright. All rights reserved.

Bone Marrow Disease(s): 
  • myelodysplastic syndromes (MDS)
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