Razi Journal of Medical Sciences

    Introduction: Hydatid cyst is caused by Echinococcus Granulosus. On occasion human is an intermediate host in whom the disease is manifested by the presence of one or more hydatid cysts. Liver and lungs are usual sites for involvement whereas other organs are rarely involved. Case Report: The patient of the present case report was a 23-year-old woman who had been referred with RUQ (Right Upper Quadrant) pain. The hydatid cyst of diaphragm presented with a right cardiopherenic mass in PA chest x-ray. Also, a cystic lesion in the left lobe of liver was seen in her lung CT-scan. After making imaging studies, she was operated on and hydatid cyst of right hemidiaphragm with no relation to the liver or lung was reported. Conclusion: Hydatid cyst of diaphragm is a rare phenomenon which may present with a right cardiopherenic mass in PA chest x-ray.