Human Cystic Echinococcosis in Mashhad, Northeast Iran: A 24-Year Population Study on 2000 Patients

Document Type : Original article

Authors

1 Professor of Pathology, Pathology Department, Faculty of Medicine, Mashhad University of Medical Science, Mashhad, Iran

2 Associate Professor of Pathology, Pathology Department, Faculty of Medicine, Mashhad University of Medical Science, Mashhad, Iran

3 Pathology resident, Pathology Department, Faculty of Medicine, Mashhad University of Medical Science, Mashhad, Iran

4 Pathologist, Pathology Department, Faculty of Medicine, Mashhad University of Medical Science, Mashhad, Iran

10.22038/rcm.2025.86554.1532

Abstract

Introduction:  Hydatidosis is a parasitic disease that remains a significant public health concern worldwide. Iran is considered an endemic area for this infection. The present study aimed to analyze the demographic and epidemiological characteristics of confirmed cases over 24 years in Mashhad, Northeastern Iran.
Methods: Pathology reports and hospital records of all patients diagnosed with hydatid cysts between 2000 and 2024 were reviewed. Demographic and clinical data, including age, sex, place of residence, cyst location and number, as well as relapse status, were extracted and analyzed using SPSS software (version 29.0).
Results: The results revealed that 51.2% of the patients were female and 48.79% were male. The frequency of hydatid cysts was nearly equal between rural (50.1%) and urban (49.9%) areas. Approximately 31.95% of the patients were housewives. Lung involvement was the most common localization, observed in 52.6% of cases, followed by the liver (40.33%). The highest incidence occurred in the 21–40-year age group. Most patients (92.8%) had involvement of a single organ, while 6.25% showed concurrent infection in two organs, primarily involving the hepatopulmonary system. In addition, 80% of patients had only one cyst, and relapse was reported in 4.5% of cases.
Conclusion: Given the substantial costs associated with the diagnosis and treatment of hydatidosis, it is crucial to collect comprehensive data on disease prevalence, transmission patterns, and high-risk populations to inform effective control and prevention efforts.

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