PMC6834382_01
Chest CT findings before and after corticotherapy. (A): Patchy ground-glass opacity, mainly in the right lung. (B): Significant improvement after 3 weeks with prednisone.
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figure1
Chest CT scan revealed patchy ground-glass opacities (Figure 1).
(A): Brain MRI demonstrating right occipitotemporal lesion measuring 1.8 cm x 1.4 cm. (B): Two months after rechallenge of osimertinib and reduction of the lesion, measuring 0.8 cm x 0.5 cm.
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figure2
As of today, 2 months after this rechallenge, new brain MRI showed tumour response, including shrinkage in the right occipitotemporal lesion (0.8 cm x 0.5 cm; previously 1.8 cm x 1.4 cm) (Figure 2) and the left cerebellar lesion (0.5 cm; previously 1.1 cm x 0.8 cm).