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Giant Hydatid Cysts of the Lung and Liver

Recep Tekin1, Rojbin Ceylan Tekin2, Alper Avcı3

1Dicle University, Faculty of Medicine, Department of Infectious Diseases and Clinical Microbiology, Diyarbakir, Turkey.2Genesis Hospital, Department of Radiology, Diyarbakir, Turkey. 3Çukurova University, Faculty of Medicine, Department of Thoracic Surgery, Adana, Turkey.

DOI: 10.1590/0037-8682-0492-2019

A 26-year-old girl from a region endemic for hydatid disease was admitted with a 3-month history of progressive dyspnea and abdominal pain. Physical examination of the abdomen showed tenderness in the right upper quadrant. Eosinophilia was detected in a peripheral blood sample, and serum IgG against Echinococcus granulosus was positive (titer 1/160) using the immunofluorescence assay test. A thoraco-abdominal contrast enhanced computed tomography showed one cyst (15 × 14 cm) (Figure A) in the right lobe of the liver and another cyst (14 × 11 cm) in the right lobe of the lung (Figure B). The patient underwent enucleation of the cyst with capitonnage via a one-stage posterolateral thoracotomy. Liver cystectomy was also performed. Histopathological examination of the cysts confirmed the diagnosis of hydatid disease. After an uneventful postoperative period, the patient was discharged on the 20thpostoperative day. Hydatid Cyst should be considered in the differential diagnosis of patients presenting thoracic cysts, particularly in those who live in endemic areas. The most common sites of lodgment ofE. granulosusare the liver and lung1. It is very rare for both pulmonary hydatid cyst and liver hydatid cyst to exist in large sizes2,3. The diagnosis of hydatid disease should be considered in patients with giant cysts in the lungs and liver.

FIGURE A: Computed tomographic scan of the abdomen showing one cyst (15 × 14 cm) in the right lobe of the liver. 

FIGURE B: Computed tomographic scan of the chest showing one cyst (14 × 11 cm) in the right lobe of the lung. 


1. Tekin R, Onat S, Tekin RC. Hydatid cysts in a patient with multiple organ involvement. Rev Soc Bras Med Trop. 2016;49(4):534. [ Links ]

2. Tekin R, Avcı A, Ceylan Tekin, Gem M, Cevik R. Hydatid Cysts in Muscles: Clinical Manifestations, Diagnosis, and Management of this Atypical Presentation. Rev Soc Bras Med Trop . 2015;48(5):594-8. [ Links ]

3. Tekin R, Kara AF, Tekin RC, Cimen D. Cardiac hydatid cyst case recovered with medical treatment. Anadolu Kardiyol Derg. 2011;11(7):650-1. [ Links ]

Received: October 22, 2019; Accepted: December 12, 2019

Corresponding Author: Dr. Recep Tekin. email:receptekin@yahoo.com

Conflict of Interest: The authors declare that there is no conflict of interest.