Primary central nervous system lymphoma presenting as a single choroidal lesion mimicking metastasis: A case report

Figure 2 Findings of brain magnetic resonance imaging. A: Image showing no evidence of space-occupying intracranial or diffusion-restricted lesions. The image was taken at the first clinical visit; B: Image showing an irregular contrast-enhancing lesion, measuring approximately 3.8 cm × 3.8 cm in size, with diffusion restriction in the left cerebellum. The image was taken 4 mon after the first clinical visit; C: Image showing no evidence of abnormal contrast-enhancing lesion in the cerebellum after six cycles of systemic chemotherapy.