Echinococcal Cysts in the Liver Ghizlane Lembarki, M.D., and Naima El Benna, M.D July 12, 2018 N Engl J Med 2018; 379:181 DOI: 10.1056/NEJMicm1702005 A 30-year-old man presented with a 15-month history of intermittent [khơng liên tục] discomfort [khó chịu] in the right upper quadrant [phần tư phải trên] of the abdomen [bụng] He lived in a rural area [khu vực nông thôn] of Morocco and had occasional contact [tiếp xúc] with dogs The physical examination [thăm khám lâm sàng] revealed hepatomegaly [gan to] with a palpable [adj – sờ được] hepatic [adj – gan] mass [khối] Laboratory tests [xét nghiệm phòng thí nghiệm (xét nghiệm cận lâm sàng)] showed a normal white-cell [bạch cầu] count and a normal absolute eosinophil [bạch cầu toan] count Ultrasonography [siêu âm] (Panel A) and computed tomography [chụp cắt lớp vi tính – CT] (Panel B) of the abdomen revealed a large cyst [nang] in the right lobe [thùy] of the liver [gan], containing hydatid membranes [màng nang nước] (black arrows) and daughter vesicles [túi] (white arrows) An enzyme-linked immunosorbent assay [ELISA – xét nghiệm miễn hấp thụ miễn dịch gắn enzyme] indicated an anti-echinococcus IgG antibody [kháng thể] index of 16.7 in the patient’s blood [máu bệnh nhân] (normal value, ≤11) Hydatid disease is caused by the echinococcus tapeworm [sán dây] Dogs are the definitive host [vật chủ chính, vật chủ xác định]; the infection is transmitted when eggs shed in their stool [phân] are ingested by humans or other animals The patient underwent laparotomy [phẫu thuật mở bụng], during which the cysts were removed in their entirety with no spillage of their contents Echinococcus granulosis was detected A follow-up ultrasound examination months after surgery [phẫu thuật] showed no sign of recurrence Ghizlane Lembarki, M.D Naima El Benna, M.D Hơpital 20 Aỏt 1953, Casablanca, Morocco ... [sán dây] Dogs are the definitive host [vật chủ chính, vật chủ xác định]; the infection is transmitted when eggs shed in their stool [phân] are ingested by humans or other animals The patient underwent... [phẫu thuật mở bụng], during which the cysts were removed in their entirety with no spillage of their contents Echinococcus granulosis was detected A follow-up ultrasound examination months after... dịch gắn enzyme] indicated an anti-echinococcus IgG antibody [kháng thể] index of 16.7 in the patient’s blood [máu bệnh nhân] (normal value, ≤11) Hydatid disease is caused by the echinococcus tapeworm