Radiological changes and circulating immune complexes in patients with urinary schistosomiasis

Area of Science:

• Immunology
• Infectious Diseases
• Radiology

Background:

• Urinary schistosomiasis is a significant parasitic infection.
• Radiological changes are common in patients with urinary schistosomiasis.
• The role of immune complexes in this disease is not fully understood.

Purpose of the Study:

• To investigate the correlation between circulating immune complexes (CICs) and the severity of urinary schistosomiasis.
• To assess the relationship between CICs, egg output, and radiological findings.

Main Methods:

• Studied 69 patients with urinary schistosomiasis.
• Grouped patients based on Schistosoma haematobium egg output (eggs/10 ml urine).
• Assessed presence and levels of CICs and analyzed urographic (radiological) pictures.

Main Results:

• 67% of patients showed radiological changes, primarily bladder filling defects.
• CICs were detected in 39 patients.
• A positive correlation was observed between CIC presence/level and egg output, and between CICs and bladder defects.

Conclusions:

• Circulating immune complexes are present in urinary schistosomiasis.
• CICs may play a pathogenic role, particularly in the early stages of infection.
• The incidence of CICs varies with egg output and radiological findings, suggesting a dynamic role.