PULMONARY NOCARDIOSIS: RADIOGRAPHIC FINDINGS IN HIV INFECTION AND OTHER COMPROMISED STATUSES.
Abstract
After the wide spread of HIV infection, in addition to the widely use of corticosteroid and other immunosuppressive therapy in many diseases as well as post organ transplantation, the incidence of pulmonary nocardiosis is significantly rising. Pulmonary manifestations in 11 cases of proved pulmonary nocardiosis and 7 cases of presumptive diagnosis of pulmonary nocardiosis are presented. The most pertinent radiographic abnormality is inhomogenous consolidation with multiple cavitary changes in both groups. Other radiographic abnormalities include pulmonary nodules, masses and reticulonodular infiltration. Pleural effusion and hilar lymphadenopathy are rarely seen. Pulmonary nocardiosis should be in the differential diagnosis if the above radiographic findings are observed in compromised patients and if sputum smear reveals weakly acid fast branching filamentous organisms, the diagnosis even be in highly suggestive. Prompt diagnosis and treatment may yield good clinical result even for these type of patients.
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