THE STUDY OF EPIDEMIOLOGY AND HYDATID CYST PRIMARY AND FINAL DIAGNOSIS IN PATIENTS HOSPITALIZED IN THE SURGERY UNIT OF SHAHID DANESHVARI HOSPITAL, TEHRAN, IRAN 2007 TO 2017

Hydatid cyst disease is of great importance; it infects very critical organs in humans, especially liver and lungs, and as for animals, it inflicts significant losses on animal husbandry economy. Thus, providing accurate diagnosis is of great importance for treating this disease and preventing its complications. The present study aimed at studying the epidemiology and hydatid cyst first and final diagnosis in patients hospitalized in the surgery unit of Daneshvari Hospital, Tehran from 2007 to 2017. The present study is retrospective cross-sectional study. The statistical population of the present study was all the patients suffering from hydatid cyst who were hospitalized at Daneshvari Hospital and underwent surgery from2007 to 2017. From the 110 patients suffering from hydatid cyst hospitalized, 48 were male, and 62were female. With respect to the infected organ, 53 patients were infected in liver, 48 patients were infected in lungs, and 9 patients were infected in both liver and lungs. As many as 98 patients had one cyst, and 12 patients had more than one cyst. 52 patients with medical ultrasound, 47 patients with medical ultrasound and CT scan, 10 patients with chest x-ray, and one patient with serological testing. The total findings of the study indicate that given the patients' profiles and clinical symptoms, the diagnosis of this disease was desirable and is consistent with other studies. In cases, where it was impossible to diagnose hydatid cyst with clinical and Para clinical evidence, it is of great help to the geographical as well as epidemiological status of the disease in the region. Key words: Epidemiology, Hydatid Cyst, Diagnosis, Tehran.