Fatal BK polyoma viral pneumonia associated with immunosuppression.
Hum Pathol
; 36(9): 1031-4, 2005 Sep.
Article
em En
| MEDLINE
| ID: mdl-16153469
ABSTRACT
BK polyoma virus has a worldwide distribution in the human population. Primary BK infection takes place during childhood, with the virus remaining latent in many sites. Immunosuppressive states can lead to viral reactivation associated with many clinical sequelae. We report a case of fatal BK-related pneumonia in a 69-year-old patient who was immunocompromised because of chemotherapy for chronic lymphocytic leukemia. Immunohistochemical, in situ hybridization, and polymerase chain reaction studies on paraffin-embedded lung tissue proved BK virus as the etiologic agent of pneumonia. The histological picture was remarkable for numerous intranuclear large basophilic viral inclusions with ground-glass appearance mainly in type II pneumocytes. Similar to many other infectious agents, BK virus is emerging as an important pathogen in immunocompromised patients, making it important to consider in the differential diagnosis.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Pneumonia Viral
/
Hospedeiro Imunocomprometido
/
Vírus BK
/
Infecções por Polyomavirus
Tipo de estudo:
Risk_factors_studies
Limite:
Aged
/
Humans
Idioma:
En
Ano de publicação:
2005
Tipo de documento:
Article