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Jul 22, 2024 · Hydatid cysts result from infection by the Echinococcus tapeworm species and can result in cyst formation anywhere in the body. Epidemiology. Cystic echinococcosis has a worldwide geographical distribution. The Mediterranean basin is an important endemic area 6,7. Pathology. Two main species of Echinococcus tapeworm result in human disease 1,2:
May 30, 2016 · CT and MRI play an important role in imaging of complicated hydatid cysts, common complications include rupture and superinfection.
Apr 26, 2016 · Radiological diagnosis. Ultrasonography (USG), computed tomography (CT), magnetic resonance (MR) imaging can help to image hydatid disease. The modality that is most helpful depends on the stage of the disease (growth of the cyst) and the affected organ [ 2 ].
Nov 11, 2020 · The aim of this pictorial review was to comprehensively describe the imaging findings of thoracic hydatid cyst including pulmonary and very unusual extrapulmonary involvements. An outline is also given for the findings of complications and differential diagnosis of thoracic hydatid cyst.
Feb 24, 2022 · There are numerous named imaging signs of hydatid cysts in echinococcal infection. There is considerable variability in the naming and definition of many of the signs in the literature.
Jun 20, 2024 · CT. Fluid density cyst, with frequent peripheral focal areas of calcification, usually indicates no active infection if completely circumferential. Septa and daughter cysts may be visualized. The water-lily sign indicates a cyst with a floating, undulating membrane, caused by a detached endocyst.
Mar 1, 2003 · Radiologic findings range from purely cystic lesions to a completely solid appearance. Calcification is more common in HD of the liver, spleen, and kidney. HD can become quite large in compressible organs. Hydatid cysts (HCs) can be solitary or multiple.
Pulmonary artery embolism due to a ruptured hepatic hydatid cyst: clinical and radiologic imaging findings
US abdomen was performed which demonstrated a large cyst involving the right hepatic lobe with irregular wall. CT abdomen shows a well-defined cystic lesion involving the right hepatic lobe with multiple curvilinear hyperattenuating structures. This is a pathologically proven hydatid cyst.
Mar 16, 2023 · Magnetic resonance imaging (MRI) is superior for demonstrating cyst wall defects, biliary communication, neural involvement, and differentiating hydatid cysts from simple cysts using diffusion-weighted imaging (DWI) sequences.
