Foreign Body Airway Obstruction / Obstrucción de las vías aéreas por cuerpo extraño

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[Cytomegalovirus encephalitis in an HIV-negative patient]. / Encefalite a citomegalovírus em doente com vírus da imunodeficiência humana negativa.

Secondary immunodeficiences are associated with an increased incidence of infection and malignancy, as well with development of autoimmune disease. Immune system function is altered by many conditions, such as aging, malnutrition and mycobacterial infections. However, the treatment of the primary condition often results in the improvement of the immune compromise. The authors present a case of cytomegalovirus encephalitis and hepatitis, due to viral reactivation associated with development of secondary immunodeficience in an HIV-negative patient.

As imunodeficiências secundárias encontram-se associadas a elevada incidência de infecções e neoplasias, bem como ao desenvolvimento de doenças auto-imunes. O status imunológico pode ser alterado por diversas condições, tais como a idade avançada, a malnutrição e as infecções micobacterianas. Contudo, o tratamento da condição primária resulta frequentemente na melhoria do compromisso imunológico. Os autores apresentam um caso de encefalite e hepatite por citomegalovírus, decorrente de reactivação viríca associada ao desenvolvimento de imunodeficiência secundária em doente Vírus da Imunodeficiência Humana negativa.

[Varicella zoster pneumonia]. / Pneumonia a Varicella zoster.

Varicella (chickenpox) is a common contagious infection of childhood, with fewer than 2% of the cases occurring in adults. Since the early 1980s the incidence of chickenpox in adults has been increasing and only 7% of them are seronegative for Varicella zoster antibodies. Pneumonia, although rare, is the most common and serious complication of chickenpox infection in adults. The authors present an illustrative case of varicella pneumonia in an immunocompetent adult with smoking habits and make a brief thematic review.

[Endobronchial sarcoidosis: in reference to a clinical report]. / Sarcoidose endobrônquica: A propósito de um caso clínico.

In reference to a clinical report, the authors make a review on sarcoidosis and it's endobronchial involvement.