Recently, a news report about a man whose bile ducts were ‘crawling with worms’ after eating raw fish has drawn widespread attention. According to the report, the man had regularly consumed raw freshwater fish (a dish known as ‘yusheng’ or fish sashimi) without proper preparation, leading to an infection by liver flukes (Clonorchis sinensis). These parasites enter the human body through raw or undercooked freshwater fish or shrimp containing infective larvae. Once inside, they settle and multiply in the bile ducts, potentially causing cholangitis, liver cirrhosis, and even cholangiocarcinoma (bile duct cancer). During an endoscopic retrograde cholangiopancreatography (ERCP) procedure, doctors discovered numerous live parasites actively moving inside his bile ducts—an alarming sight.Liver fluke infection is relatively common in southern China, particularly in regions like Guangdong and Guangxi where eating raw fish is a culinary tradition. Health experts strongly advise against consuming raw freshwater fish due to its high risk of parasitic contamination. If one insists on eating raw fish, it should be strictly sourced from marine fish that have undergone proper freezing treatment (e.g., stored at -20°C or below for at least 7 days) and verified for safety. Anyone experiencing symptoms such as abdominal pain, diarrhea, jaundice, or fatigue should seek medical attention promptly. Early diagnosis and treatment can prevent severe complications. Ultimately, prevention is better than cure—changing risky dietary habits is key to controlling such parasitic infections.
近日，一则‘男子吃鱼生后胆管爬满虫子’的新闻引发广泛关注。据报道，该男子因长期食用未经充分处理的淡水鱼生（即生鱼片），感染了肝吸虫（又称华支睾吸虫）。这种寄生虫主要通过生食或半生食含有囊蚴的淡水鱼虾进入人体，在胆管内寄生并大量繁殖，严重时可导致胆管炎、肝硬化甚至胆管癌。医生在为其进行内镜逆行胰胆管造影（ERCP）检查时，发现其胆管内竟有大量活体寄生虫蠕动，场面令人震惊。肝吸虫病在我国南方地区较为常见，尤其在喜食鱼生的广东、广西等地高发。专家提醒，淡水鱼极易携带寄生虫，不建议生食。若确实偏爱鱼生，应选择经过严格冷冻处理（如-20℃以下冷冻7天以上）的海水鱼，并确保食材来源安全可靠。此外，出现腹痛、腹泻、黄疸、乏力等症状应及时就医，早诊断早治疗可有效避免严重并发症。预防胜于治疗，改变不良饮食习惯是防控此类寄生虫病的关键。
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