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European Radiology Experimental
Fig. 1 | European Radiology Experimental

Fig. 1

From: Effect of thyroid shielding during mammography: measurements on phantom and patient as well as estimation with Monte Carlo simulation

Fig. 1

Measurements: on the left, with Alderson and breast phantom; on the right, geometry for measurements and MCS. The geometry is not completely equal to the situation with real patients since the head of the Alderson phantom cannot be rotated to the side and for patient and phantom measurement, the height of the image unit has to be adapted. The transparent shield, which is between the patient head and the primary beam, was removed to allow a close position of the Alderson phantom, but was used for patient measurements and MCS.

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