infectious diseases
Nocardiosis
Risk factors
Predisposing risk factors for nocardiosis include Lymphoreticular cancers Organ transplantation High-dose corticosteroid or other immunosuppressive therapy Underlying pulmonary disease However, about 20 to 30% of patients with nocardiosis have no identified preexisting disease or condition. Primary cutaneous nocardiosis usually occurs in immunocompetent patients 1 to 3 weeks after some type of local trauma. Nocardiosis is also an opportunistic infection in patients with advanced HIV infection. 