[Survival of patients with metastatic breast cancer according to pathological types of tumors].

Background: The prognosis of breast cancer (BC) is in part determined by the stage at diagnosis and its pathological characteristics.

Aim: To evaluate the association between survival of women with metastatic breast cancer and pathological features of the tumor.

Patients And Methods: We obtained clinical and pathological data from patients diagnosed with a metastatic BC between 1999 and 2013.

[Disseminated and fatal adenovirus infection in an immunocompromised child].

Severe adenovirus (ADV) infections have become increasingly important in immunocompromised patients, mainly in pediatric stem cell transplant recipients. We report a case of disseminated ADV infection leading to death in a 12-year-old stem cell transplant recipient. The diagnosis was confirmed by viral isolation and viral genome detection in tissues and blood.

[Actinomycotic infective endocarditis of the mitral valve. Anatomoclinical case and review of literature].

Actinomycotic infections of the heart is an uncommon disease, especially if the infection affects the valvular endocardium as primary focus. Just a few cases have been reported previously. We report a case of primary endocarditis of the mitral valve caused by Actinomyces sp diagnosed at necropsy in a 34 year-old man with history of chronic rheumatic disease presenting as a usual case of infective endocarditis.

[Granulomatous amebic encephalitis caused by Balamuthia mandrillaris. First case diagnosed in Chile].

The case of a 7 month-old baby boy is presented, with a history of several weeks of evolution of personality changes, convulsions and fever. While he was hospitalized, the brain image study showed multifocal cavity lesions, which varied from millimeters to 4 cm of diameter, not producing mass effect. Their biopsy revealed necrotizing encephalitis.

[Infections caused by free-living amebas. Historical commentaries, taxonomy and nomenclature, protozoology and clinicopathologic features].

Infections caused by free-living amebae constitute one of emergent opportunistic infections with greatest medical interest. Although infrequently, they have been described in almost all world, its diagnosis depends on a high index of suspicion, especially in morpho-pathologic and laboratory studies. Exciting historical features of infections due to free-living amebae, its taxonomy and the present nomenclature are briefly reviewed.