Parasites, Hosts and Diseases

The Korea Society for Parasitology and Tropical Medicine (대한기생충학·열대의학회)
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Imaging Manifestations and Misdiagnosis Analysis of Six Cases of Bone Hydatid Disease

  • Yanqiu, Sun (Department of Radiology, Qinghai Provincial People's Hospital) ;
  • Chunlong, Yan (Department of Radiology, Jining No.1 People's Hospital) ;
  • Dengfeng, Tian (Department of Radiology, Qinghai Provincial People's Hospital) ;
  • Chenhong, Zhang (Department of Radiology, Qinghai Provincial People's Hospital) ;
  • Qiang, Zhang (Department of Radiology, Qinghai Provincial People's Hospital)
  • Received : 2022.08.25
  • Accepted : 2022.11.14
  • Published : 2022.12.31
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Abstract

We retrospectively evaluated the clinical and imaging features of 6 patients with bone hydatid disease confirmed by surgery and pathological examination. Among the 6 patients, 2 were infected with Echinococcosis granulosus metacestode and 4 were infected with E. multilocularis metacestode. The 2 cases with cystic echinococcosis were diagnosed by computed tomographic (CT) examination, and other 4 cases were diagnosed by magnetic resonance (MR) imaging. On the initial evaluation, 1 case each was misdiagnosed as a giant cell tumor or neurogenic tumor, and 2 were misdiagnosed as tuberculosis. The imaging manifestations of bone hydatid disease are complex, but most common findings include expansive osteolytic bone destruction, which may be associated with sclerosing edges or dead bone formation, localized soft tissue masses, and vertebral lesions with wedge-shaped changes and spinal stenosis. Combining imaging findings with the patient's epidemiological history and immunological examinations is of great help in improving the diagnosis and differential diagnosis of bone hydatid disease.

Keywords

Acknowledgement

The work was supported by the Qinghai Provincial Health Committee Guiding Program Project (2020-wjzdx-04) and the Qinghai Provincial Department of Science and Technology Basic Research Project (2021-ZJ-732).

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