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Fibrocalcific Nodule in the Liver Capsule Caused by Ascaris Eggs
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KMID : 0357919920260040411
Abstract
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#ÃÊ·Ï#
Ascariasis is probably the most common helminthic infestation of man, but it seldom
causes severe illness. Pathologic conditions of Ascaris may be caused by adult worms,
eggs or larvae.
We describe a case of Ascaris egg granulomas that were found incidentally on the
surface of the liver in a 75-year-old woman who had undergone a segmentectomy for
an intrahepatic stone. Grossly, there were several yellowish calcific nodules of 0.4 §¯ in
diameter on the lateral surface of the left lobe of the liver. Microscopically, the lesions
were located in the hepatic capsule and consisted of fibrocalific nodules with many eggs.
The eggs were round to oval, thick-shelled and measured 50¡75¡¿30¡50 um. Most of
the morphologically preserved eggs were fertilized eggs, but they had smooth shells
without external protein coats. This case is of interest for the unusual location of the
lesion, the presence of eggs without mammillation, and the association with the
intrahepatic stone.
Å°¿öµå
Ascaris lumbricoides; Egg granuloma; Liver; Intrahepatic stone; Parasite; Liver capsule;
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