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Brucella isolated from bone marrow.

S Deepak1, S G Bronson, Sibi

  • 1Department of Medicine, Medical College, Thiruvananthapuram, Kerala, 695011.

The Journal of the Association of Physicians of India
|November 19, 2003
PubMed
Summary
This summary is machine-generated.

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Bone marrow cultures are crucial for diagnosing Brucella in fever of unknown origin (FUO) cases when routine tests fail. This method is vital as serological tests for brucellosis can yield false-negative results due to the prozone phenomenon.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Hematology

Background:

  • Fever of unknown origin (FUO) presents a diagnostic challenge.
  • Brucellosis is a zoonotic disease that can manifest with prolonged fever.
  • Standard diagnostic workups for FUO often include serological tests.

Observation:

  • A 40-year-old patient presented with a month-long pyrexia.
  • Initial investigations for FUO were inconclusive.
  • Bone marrow aspiration and culture were performed.

Findings:

  • Bone marrow culture successfully identified Brucella as the causative agent.
  • This case highlights the limitations of routine workups in specific FUO scenarios.
  • Serological tests for brucellosis can be unreliable due to the prozone phenomenon, leading to false negatives.

Related Experiment Videos

Implications:

  • Bone marrow cultures should be considered in FUO cases with negative routine workups.
  • Accurate diagnosis of brucellosis is essential for appropriate treatment and preventing complications.
  • Understanding diagnostic limitations like the prozone phenomenon is critical for clinicians managing FUO.