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[Diagnostic imaging of hemangiopericytomas]
J Haller1, G Wittich, D Tscholakoff
1Ludwig-Boltzmann-Institut für radiologisch-physikalische Tumordiagnostik der I.Medizinischen Universitätsklinik Wien.
Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|March 1, 1988
Summary
This study examined hemangiopericytomas in eight patients using various imaging techniques. Advanced imaging like CT and MRI revealed characteristic tumor features, including contrast enhancement and peripheral blood flow on duplex sonography.
Area of Science:
- Radiology
- Oncology
- Medical Imaging
Background:
- Hemangiopericytomas are rare tumors.
- Accurate imaging is crucial for diagnosis and management.
Purpose of the Study:
- To evaluate the utility of conventional radiography, duplex sonography, computed tomography (CT), and magnetic resonance imaging (MRI) in characterizing hemangiopericytomas.
- To identify typical imaging findings for these tumors.
Main Methods:
- Histologically verified hemangiopericytomas in eight patients were studied.
- Imaging modalities included plain films, angiography, cavography, duplex sonography, CT, and MRI.
Main Results:
- All imaging techniques identified solid tumors with cystic components.
- CT showed significant contrast enhancement within the tumors.
- Duplex sonography detected peripheral blood flow.
- No tumor calcification was observed on plain films, contrary to previous reports.
Conclusions:
- Conventional radiography, duplex sonography, CT, and MRI are effective in detecting hemangiopericytomas.
- Specific findings like contrast enhancement on CT and peripheral flow on sonography aid in diagnosis.
- The absence of calcification on plain films in this cohort warrants further investigation.