Key clinical point: The PTPN22 R620W variant is likely not a risk factor for CLL and autoimmune hematologic disorders in individuals from Southeast Europe.

Major finding: The frequency of minor T allele was 0.107 in patients with CLL, 0.067 in patients with autoimmune hemolytic anemia, 0.036 in patients with idiopathic thrombocytopenic purpura, and 0.05 in controls.

Study details: An analysis of the frequency of the PTPN22 R620W variant in 320 individuals from the Republic of Macedonia.

Disclosures: Dr. Panovska-Stavridis did not declare any conflicts of interest.

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