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Journal of Ultrasound in Medicine, Vol 4, Issue 11 603-607, Copyright © 1985 by American Institute of Ultrasound in Medicine
Diagnostic criteria of hydatid disease on hepatic sonography
S. Hussain
Ultrasound findings in 31 patients proven to have hydatid disease of the liver are presented. Four distinct patterns are described: a single spherical cystic area; a flattened, spherical, cystic area; the appearance of a cyst within a cyst; and a complex cystic mass. In 21 cases (68 per cent), previously described pathognomonic appearances are encountered. The presence of an echogenic rim usually suggests hydatid infestation; however, it may also be seen in an amebic liver abscess. Delineation of daughter cysts within the complex internal echoes is diagnostic of an infected hydatid cyst. |
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