Results: 2

J. coloproctol. (Rio J., Impr.); 37 (1), 2017

ABSTRACT Background: Anal canal carcinoma is a rare neoplasm, representing 2% of the digestive tumors, and the most common is squamous cell carcinoma, with an increasing incidence. Objective: The study aims to elucidate the pathogenesis of an increasingly prevalent disease, as well as to update treatme...

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Medicina (B.Aires); 60 Suppl 2 (), 2000

Generalized activation of the immune system after HIV infection leads to an exacerbation of all apoptotic mechanisms. CD4+, CD8+ T lymphocytes and B lymphocytes are sensitized to apoptotic stimuli. Macrophages are important in the removal of apoptotic cells, they prevent apoptotic cell accumulation durin...