A 71-year-old man was hospitalized with altered mental status progressing over the preceding 3 weeks. The patient had a recent diagnosis of adenocarcinoma of the colon with known metastatic lesions in the lung and bones. A gadolinium-enhanced magnetic resonance image of the brain was performed and is shown. What is the most likely diagnosis? A) Group D streptococcus abscesses B) Neurocysticercosis C) Metastatic adenocarcinoma D) Tuberculosis E) Primary central nervous system lymphoma



Metastatic adenocarcinoma with neurocysticercosis