BIOPSY DIAGNOSIS AND CLINICAL OUTCOME OF PERSISTENT FOCAL PULMONARY LESIONS AFTER MARROW TRANSPLANTATION

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Abstract
We reviewed the results of all percutaneous fine needle aspirations (FNA) and open lung biopsies (OLB) after bone marrow transplantation at our center (1984-1987) for the evaluation of focal lung lesions that developed or persisted despite antibiotic administration. We sought to determine the prevalence and types of infections, the yield of diagnostic procedures, and the clinical outcome of these focal lesions. Infection was documented in 78% (18/23) of all lesions and was fungal in each case. FNA detected fungal lung infection with a sensitivity of 67% (10/15) but had a negative predictive value of only 50% (5/10). Complications occurred in 15% of FNA. OLB without prior FNA was performed in 6 cases and demonstrated fungal infections in 5. Overall, seven of the 18 patients with localized invasive fungal lung disease recovered after antifungal therapy. This study demonstrates that focal lung lesions that develop or persist despite antibiotics after BMT are most often fungal. FNA may safely identify these localized infections in selected patients and with appropriate treatment recovery may be achieved.