Key result
Magnetic resonance imaging revealed larger tumor extent than physical inspection in 4 of 8 patients with angiosarcoma of the scalp by visualizing invasion into surrounding structures.
Why the study?
Does magnetic resonance imaging improve the determination of the extent of angiosarcoma of the scalp compared to physical inspection?
Observational (n=8)
Does magnetic resonance imaging improve the determination of the extent of angiosarcoma of the scalp compared to physical inspection?
Magnetic resonance imaging is useful for determining the true extent of scalp angiosarcoma by visualizing invasion into surrounding structures that are not visible on physical inspection.
Answers are grounded in this paper and cite their sources.
May improve extent assessment in scalp angiosarcoma; leaves open whether it changes management or outcomes.
OBJECTIVE: The purpose of this study was to investigate the magnetic resonance (MR) imaging findings of angiosarcoma of the scalp retrospectively. METHODS: Eight patients with angiosarcoma of the scalp were included in this study. All patients were examined with 1.5-T MR imaging units and commercially available head coils. RESULTS: In all 8 patients, MR images revealed thickened scalp or tumors with prolonged T1 and T2 relaxation times. They were well enhanced. T2-weighted MR imaging with fat saturation and contrast-enhanced T1-weighted MR imaging with fat saturation clearly showed tumors invading the subcutaneous fat tissue and muscles. In 4 patients, the tumors were larger on MR images than on inspection. CONCLUSIONS: Magnetic resonance imaging was useful in determining the extent of angiosarcoma of the scalp because it visualized the tumor invasion into surrounding structures that could not be seen on physical inspection.
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Isoda et al. (2005) conducted an observational in Angiosarcoma of the scalp (n=8). Magnetic resonance (MR) imaging vs. Physical inspection was evaluated on Tumor extent and invasion. Magnetic resonance imaging revealed larger tumor extent than physical inspection in 4 of 8 patients with angiosarcoma of the scalp by visualizing invasion into surrounding structures.
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