Primary pulmonary amoebiasis mimicking lung tumour in immunocompromised patient: A case report.

Amoebiasis is the most common protozoan disease caused by . The second most frequent extraintestinal infection, behind amoebic liver abscess, is pulmonary amoebiasis. We present the case of an immunocompromised 40-year-old man. He complained of cough for 1 month, shortness of breath, and fever. Chest x-ray demonstrated left paracardial consolidation, possibly pneumonia or a mass. Chest CT scans with contrast revealed the presence of an abscess-mimicking tumour. CT-guided TTB and histology examinations indicated the presence of trophozoites of . This patient was diagnosed with pulmonary amoebiasis. Diagnostic criteria for pulmonary amoebiasis include clinical manifestations, radiography, and microscopic examination. There was an improvement in clinical response after a 10-day course of antibiotics. Amoebiasis of the lungs is treatable with medicines and drainage when necessary. Early diagnosis and treatment are imperative to decrease mortality and morbidity.