Hydatid cyst

This is 7 year old UAE boy. He was taken to pediatric clinic because of upper respiratory tract infection.

Chest x-ray: Rounded lesion related to middle lobe of right lung. P-A view, lateral view

CT scan chest: cystic lesion

Hemoagglutination test for Echinococcus granulosus was negative.

Right postero-lateral thoracotomy was performed. The lesion was completely removed.
Operative shots: image1, Image2

 

Histopathology proved to be : Hydatid cyst