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Imaging findings in renal hydatid disease
B Vargas-Serrano1, C Ferreiro-Argüelles, R Rodríguez-Romero
1Servicio de Radiodiagnóstico, Hospital Severo Ochoa, Madrid, Spain.
European Radiology
|January 1, 1997
Summary
Renal hydatid disease imaging, particularly with Magnetic Resonance (MR) imaging, reveals distinctive features. Multicystic appearances and a hypointense rim on MR are key indicators for diagnosing this parasitic infection.
Area of Science:
- Radiology
- Parasitology
- Medical Imaging
Background:
- Renal hydatid disease, caused by Echinococcus infection, is rare.
- Accurate diagnosis relies on characteristic imaging findings.
Purpose of the Study:
- To describe the imaging findings of renal hydatid disease.
- To highlight the role of Magnetic Resonance (MR) imaging in diagnosis.
Main Methods:
- Retrospective review of four renal hydatid disease cases.
- Analysis of imaging modalities including Intravenous Urography (IVU), Ultrasound (US), Computed Tomography (CT), and MR imaging.
Main Results:
- IVU showed collecting system communication in one case.
- US revealed multicystic (3 cases) or unilocular (1 case) cysts.
- CT demonstrated unilocular/multilocular cysts, with calcification in one case. Daughter cyst fluid density was lower than mother cyst fluid.
- MR imaging showed a hypointense rim and multicystic appearance, aiding diagnosis.
Conclusions:
- Combined imaging modalities enhance diagnosis of renal hydatid disease.
- MR imaging is valuable for identifying characteristic rims and anatomical relationships.