<unk>  is an infectious disease affecting either the lungs (pulmonary<unk>  or the whole body (systemic<unk> . It is due to infection by bacterium of the genus Nocardia, most commonly Nocardia asteroides or Nocardia brasiliensis.
It is most common in men, especially those with a compromised immune system. In patients with brain infection, mortality exceeds 80%; in other forms, mortality is 50%, even with appropriate therapy. It is one of several conditions that have been called the great imitator.Cutaneous<unk>  commonly occurs in immunocompetent hosts.
Nocardiosis
Tuberculosis
Infective endocarditis
Sycosis
Invasive aspergillosis
Kyphosis
Loeffler endocarditis
Tuberculous pericarditis