Bronchoscopy in pulmonary hydatidosis: retrospective analysis.

Area of Science:

• Pulmonology
• Infectious Diseases
• Medical Diagnostics

Background:

• Pulmonary hydatidosis diagnosis typically relies on imaging, but complicated or ruptured cysts present diagnostic challenges.
• Ruptured hydatid cysts can alter radiological signs, leading to delayed or incorrect diagnoses.

Purpose of the Study:

• To assess the diagnostic utility of flexible bronchoscopy in evaluating complicated pulmonary hydatidosis.
• To determine the effectiveness of bronchoscopy in identifying hydatid disease when radiological findings are ambiguous.

Main Methods:

• Retrospective review of 14 patients (2002-2008) with symptomatic pulmonary hydatidosis.
• Evaluation included clinical history, radiological findings, flexible bronchoscopy, and surgical specimen analysis.

Main Results:

• Flexible bronchoscopy visualized white glistening membranes in 9 of 14 patients.
• Surgical specimens revealed 2 unruptured, 1 pleural, and 9 ruptured pulmonary hydatid cysts.
• Two cases of ruptured cysts showed secondary fungal (Aspergillus) colonization, bacterial infection, or tuberculous granuloma.

Conclusions:

• Flexible bronchoscopy is valuable for confirming diagnoses of complicated pulmonary hydatidosis pre-operatively.
• Special stains for cytologic specimens and histopathology review are recommended for ruptured hydatid cysts to improve diagnostic yield and identify secondary infections.