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Related Experiment Videos

Human basophil degranulation test in liver hydatidosis.

M Huguier1, F Leynadier, S Houry

  • 1Service de chirurgie digestive, Hôpital Universitaire Tenon, Paris, France.

Digestive Diseases and Sciences
|December 1, 1987
PubMed
Summary

The human basophil degranulation (HBD) test effectively diagnoses liver hydatidosis. A positive HBD test indicates active infection or persistent antigen after surgery, aiding in liver hydatidosis management.

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Area of Science:

  • Immunology
  • Parasitology
  • Hepatology

Background:

  • Basophil degranulation, a reaction to specific antigens, involves the loss of granules.
  • The human basophil degranulation (HBD) test measures this immune response.
  • Liver hydatidosis (LH) is a parasitic disease requiring accurate diagnostic methods.

Purpose of the Study:

  • To evaluate the diagnostic utility of the HBD test using hydatic antigen in patients with suspected liver hydatidosis.
  • To assess the HBD test's performance in differentiating active LH from other conditions and post-surgical states.

Main Methods:

  • The HBD test was performed on 100 patients, categorized into three groups: suspected LH, asymptomatic hepatic calcifications, and post-surgery for LH.
  • Statistical analysis was used to compare HBD test results across patient groups.

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Main Results:

  • The HBD test showed a significantly higher positive rate in patients with active liver hydatidosis compared to those with other hepatobiliary diseases (P < 0.001).
  • Patients with asymptomatic hepatic calcifications consistently had negative HBD tests.
  • In post-surgery patients, the HBD test became negative within 8-12 months for some, while remaining positive for others, suggesting antigen persistence.

Conclusions:

  • The HBD test is a valuable tool for diagnosing liver hydatidosis.
  • A negative HBD test in asymptomatic patients suggests a non-viable parasite.
  • A positive HBD test in operated patients may indicate residual parasitic antigen.