<prompt> An 34 year old male HIV patient on c-A presents with seizures, unilateral facial nerve palsy. CT scan shows ring enhancement lesion. Best treatment is:Albendazole with dexamethasoneAmphotericin BATT with steroidsSulphadiazine, pyrimethamine and Leucovorin  <response>: Causes of seizures in HIV positive Pt: - HIV related encephalopathy Cerebral toxoplasmosis Neurocysticercosis CNS lymphoma Cerebral Toxoplasmosis MRI of cerebral toxoplasmosis showing 2 ring enhancing lesions- lighting up with intravenous contrast Rx: sulfadiazine pyrimethamine Leucovorin Neurocysticercosis - Rx - Albendazole Dexamethasone Toxoplasmosis Primary CNS Lymphoma Quantity Multiple Solitary Lab Markers T. gondii IgG antibody nonspecific Epstein -Barr Virus Size 4 cm 4 cm Location Basal Ganglia Periventricular Cerebral Edema Prognosis Favorable wRx Poor 