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Parvovirus-B19 and hematologic disorders.

Sevgi Yetgin1, Selin Aytaç Elmas

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Parvovirus-B19 (PV-B19) infection can cause various diseases, including erythema infectiosum and aplastic anemia. Investigating PV-B19 is crucial for unexplained hematologic disorders, especially when serology is insufficient.

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Area of Science:

  • Virology
  • Immunology
  • Hematology

Background:

  • Parvovirus-B19 (PV-B19), a small DNA virus, is linked to diseases reflecting host-virus-immune system interactions.
  • Manifestations include erythema infectiosum, hydrops fetalis, and red cell aplasia, affecting diverse patient groups.
  • PV-B19 can present with unclear mechanisms in various systemic diseases, potentially leading to misdiagnosis.

Purpose of the Study:

  • To highlight the diverse clinical presentations of Parvovirus-B19 infections.
  • To emphasize the importance of considering PV-B19 in unexplained hematologic disorders.
  • To discuss diagnostic challenges and therapeutic approaches for PV-B19.

Main Methods:

  • Review of clinical manifestations and associations of PV-B19.
  • Discussion of diagnostic limitations of serology in immunocompromised individuals.
  • Highlighting polymerase chain reaction (PCR) as a diagnostic tool.

Main Results:

  • PV-B19 causes a spectrum of diseases, from common childhood infections to severe hematologic conditions.
  • Unexplained cytopenias and systemic diseases may be associated with PV-B19.
  • PCR offers a reliable method for PV-B19 detection in serum and tissues.

Conclusions:

  • Hematologic disorders with unestablished diagnoses warrant PV-B19 investigation.
  • Diagnostic strategies must account for limitations in immunocompromised patients.
  • Current treatments include supportive care, transfusions, and immunoglobulin; vaccination is under study.