Microquantity for macroquality: case study on the effect of selenium on chronic neutropenia

Area of Science:

• Hematology
• Nutritional Science

Background:

• Chronic neutropenia is a complex myeloid hematologic disorder with diverse causes.
• Selenium deficiency has recently emerged as a potential etiological factor in chronic neutropenia.

Observation:

• A patient with chronic neutropenia, with all other causes ruled out, was identified with selenium deficiency.
• Selenium replacement therapy was initiated using a seleno-yeast supplement at 50 µg daily for two months.

Findings:

• Administration of selenium led to a significant increase in white blood cell (WBC) count and absolute neutrophil count (ANC).
• Discontinuation of selenium supplementation resulted in a subsequent decrease in WBC and ANC, returning to baseline levels.
• These results indicate a direct correlation between selenium levels and neutrophil counts in this patient.

Implications:

• Selenium replacement therapy may be an effective treatment for chronic neutropenia caused by selenium deficiency.
• This finding highlights the importance of assessing trace element status in patients with unexplained neutropenia.
• Further research is warranted to explore the broader clinical utility of selenium in hematologic disorders.