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Figure 2 | BMC Medical Imaging

Figure 2

From: Magnetic resonance imaging-radioguided occult lesion localization (ROLL) in breast cancer using Tc-99m macro-aggregated albumin and distilled water control

Figure 2

A 38-year-old woman with invasive ductal carcinoma (IDC) of the right breast. (a) Sagittal T1-weighted contrast-enhanced sequence shows a focal nonmass enhancement in the upper inner quadrant of the right breast (arrow). (b) Sagittal T1-weighted contrast-enhanced sequence reveals the lesion with the needle, low-signal-intensity dot, inside (arrow). (c) Axial T1-weighted contrast-enhanced sequence shows the needle tip close to the lesion (arrow) (d) Sagittal T2-weighted sequence shows the exact location of the lesion after correlation with the contrast-enhanced sequences (arrow). (e) Sagittal fat-suppressed T2-weighted sequence after injection of Tc-99m MAA followed by 1 mL of distilled water reveals a high-signal-intensity area and confirms that the radioactive material is in the exact location of the lesion. (f) Sagittal T2-weighted sequence subjected to subtraction technique: the high-signal-intensity area from the water injected can be visualized better (arrow). (g) Scintigraphic control reveals the presence of the radioactive substance (arrow).

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