Severe pneumonia after intravesical BCG instillation in a patient with invasive bladder cancer: case report and literature review

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G. Caramori *
D. Artioli
G. Ferrara
R. Cazzuffi
C. Pasquini
M. Libanore
V. Guardigni
I. Guzzinati
M. Contoli
R. Rossi
R. Rinaldi
C. Contini
A. Papi
(*) Corresponding Author:
G. Caramori | gaetano.caramori@unife.it

Abstract

We present here the case of a 66 year old man with a severe bilateral community acquired pneumonia secondary to dissemination after an intravesical instillation of bacilllus Calmette-Guérin (BCG). Diagnosis was based on positive polymerase chain reaction (PCR) for mycobacterium tuberculosis complex in bronchoalveolar lavage and on the finding on transbronchial biopsy of non necrotising granulomas histopathologically similar to the granulomas found in bladder biopsies. These findings were confirmed using a validated real time PCR assay demonstrating the presence of the BCG genome in transbronchial and bladder biopsies.

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