Nocardial brain abscess is caused by Nocardia asteroids may occur as an isolated CNS lesion or as a
disseminated infection in association with pulmonary or cutaneous disease [21]. In a series of organ transplant recipients with Nocardia brain abscess, use of trimethoprim-sulfametoxazole prophylaxis for Pneumocysticjirovecii
(formerly P.carinii ) was not shown to be protective against No cardia infection