[Reiter's syndrome. Apropos a pediatric case]

Area of Science:

• Rheumatology
• Infectious Diseases
• Pediatrics

Background:

• Fiessinger-Leroy-Reiter's syndrome is a reactive arthritis often associated with genitourinary or gastrointestinal infections.
• The syndrome's classical triad includes urethritis, conjunctivitis, and oligoarticular arthritis.
• While HLA-B27 is common, its absence does not rule out the diagnosis.

Observation:

• A 13-year-old female presented with urethritis, conjunctivitis, and oligoarticular arthritis.
• Diagnostic workup was negative for Human Immunodeficiency Virus (HIV).
• The Human Leukocyte Antigen B27 (HLA-B27) test was also negative.

Findings:

• The patient's presentation aligns with the classical triad of Fiessinger-Leroy-Reiter's syndrome.
• The absence of HIV and HLA-B27 suggests potential atypical presentations or other etiological factors.
• Treatment with Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) and tetracycline was initiated.

Implications:

• This case highlights the importance of recognizing Fiessinger-Leroy-Reiter's syndrome even in the absence of typical genetic markers like HLA-B27.
• It underscores the need for comprehensive diagnostic evaluation in pediatric patients presenting with this triad of symptoms.
• Further research into the epidemiology and etiology of Fiessinger-Leroy-Reiter's syndrome in diverse populations is warranted.