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Is iron oxide a tissue-specific contrast medium in diagnostic ultrasound? A case report
H Tanzer1, G Sigl, T Spiethoff
1Kreiskrankenhaus Bad Reichenhall, Innere Abteilung I, Riedelstr. 5, 83435 Bad Reichenhall. h.tanzer@bglmed.de
Abstract:
We present a patient with Hodgkin's disease in whom computed tomography suggested focal lesions in the liver. As no lesions were detected by diagnostic ultrasound, magnetic resonance imaging (MRI) with iron oxide as contrast medium was performed for verification. MRI confirmed at least 3 small lesions. The ultrasound study performed immediately after this MRI scan easily detected these lesions. A biopsy was taken and histology showed infiltrates of Hodgkin's disease. The change in echogenicity of the liver and/or the lymphomatous tissue may be an effect of iron oxide. This observation has not been reported before.
Insights
Magnetic resonance imaging (MRI) with iron oxide contrast helped detect liver lesions in Hodgkin
Area of Science:
- Oncology
- Radiology
- Medical Imaging
Background:
- Computed tomography (CT) indicated focal liver lesions in a patient diagnosed with Hodgkin's disease.
- Initial diagnostic ultrasound failed to detect these suspected liver lesions.
Observation:
- Magnetic resonance imaging (MRI) with iron oxide contrast agent was employed for lesion verification.
- MRI successfully identified at least three small liver lesions.
- A subsequent ultrasound examination, performed immediately after MRI, readily detected the previously unseen lesions.
Findings:
- Histological analysis of a biopsy confirmed the presence of Hodgkin's disease infiltrates within the liver lesions.
- The iron oxide contrast agent may have altered the echogenicity of the liver and/or lymphomatous tissue, facilitating detection.
Implications:
- This case suggests a potential role for iron oxide contrast agents in enhancing ultrasound detection of Hodgkin's disease liver metastases.
- The observed change in echogenicity following iron oxide administration is a novel finding, potentially improving diagnostic capabilities in similar cases.
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