关键词: 血吸虫病； 病理学； 诊断学

Abstract: Objective To explore the characteristics of pathological diagnosis in schistosomiasis endemic areas. Methods The patients were selected from the Meishan City People’ s Hospital and they had the operation excisions and/or digestive endo? scopic biopsy specimens from 2003 to 2012. The diagnostic criteria of schistosomiasis were finding the schistosome eggs or egg granulomas，and the relevant clinical data were also collected. Results A total of 56 237 pathological specimens were checked and 498 patients were diagnosed with schistosomiasis（0.9%） . Among them，the appendix was the most common lesion（241 cas? es），followed by the colon and rectum（209 cases），liver（23 cases），and others（25 cases）including gallbladder（12 cases）， stomach（7 cases），duodenum（2 cases），small intestine（1 case），and the outside of the portal vein system（3 cases） . Appendi? citis and colorectal cancer were the most common diseases in these patients. Conclusion The distribution characteristics of the le? sions of schistosomiasis patients can reflect the clinical and pathological process of schistosomiasis in some extent

Key words: Schistosomiasis； Pathology；Diagnostics