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Case 58. Opistorchiasis (45 y-o F)
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Surgical specimen of cholangiocellular carcinoma in northeastern Thailand
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Key words : Opistorchis veverrini, cholangitis, cholangiocellular carcinoma
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| An adult Opistorchis viverrini is seen in a dilated bile duct (HE, low power). A cross section of the fluke around the ventral sucker is shown. | Both sperm-filled testis and the uterus filled with brown-colored, small-sized ova are seen near the excretory duct (HE, high power). | |
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| In the noncancerous liver, a few small-sized ova are seen in the periductal tissue, infiltrated by lymphocytes and eosinophils (HE). | Well-differentiated adenocarcinoma of the bile duct (HE). In the endemic area, most residents are infested through eating unheated river fish ultil 2 years of age, and bile duct cancer occurs around the age of 40 years. | |
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