Cerebral intraventricular metastases
A known case of stage IV metastatic non-small cell lung cancer on therapy, presented with delirium and confusion for CT brain to rule out metastasis.
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Multiple intra-axial enhancing space-occupying lesion the largest seen in left parietooccipital lobe surrounded with vasogenic oedema and the smaller one is noted at right occipital lobe with no significant surrounding oedema suggestive of brain metastasis.
Another large lobulated outline and enhancing lesion seen mostly intraventricularly of the left lateral ventricle, resting on the left side of the septum pellucidum suggestive of intraventricular metastasis rather than primary lesion as central neurocytoma.
Enlarged and an enhanced upper portion of the pituitary stalk in the suprasellar region could be having metastasis.
Known case of stage IV metastatic non-small cell lung cancer on therapy, presented with delirium and confusion requested for CT brain to rule out metastasis and CT showed multiple brain space-occupying lesions as demonstrated above suggestive of intracerebral and intraventricular metastasis.