Bernardo Gontijo

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Leishmaniasis, caused by infection with the protozoan parasite Leishmania, affects millions of individuals worldwide, causing serious morbidity and mortality. This study directly determined the frequency of cells producing key immunoregulatory cytokines in response to the recombinant antigen Leishmania homolog of receptors for activated kinase C (LACK) and(More)
BACKGROUND Psoriasis is a chronic inflammatory disease and its pathogenesis involves an interaction between genetic, environmental, and immunological factors. Recent studies have suggested that the chronic inflammatory nature of psoriasis may predispose to an association with other inflammatory diseases, especially cardiovascular diseases and metabolic(More)
Giant congenital melanocytic nevus is usually defined as a melanocytic lesion present at birth that will reach a diameter ≥ 20 cm in adulthood. Its incidence is estimated in <1:20,000 newborns. Despite its rarity, this lesion is important because it may associate with severe complications such as malignant melanoma, affect the central nervous system(More)
BACKGROUND There have been few studies on pentamidine in the Americas; and there is no consensus regarding the dose that should be applied. OBJECTIVES To evaluate the use of pentamidine in a single dose to treat cutaneous leishmaniasis. METHODS Clinical trial of phase II pilot study with 20 patients. Pentamidine was used at a dose of 7 mg/kg, in a(More)
BACKGROUND The incidence of melanoma has been steadily rising in past decades. Although it accounts for only 3% of all skin cancers, it is responsible for 75% of deaths. OBJECTIVE to describe the epidemiological aspects of melanoma in a university hospital setting over a period of 20 years. METHODS A total of 166 patients were analyzed between January(More)
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Pyoderma gangrenosum is an uncommon and recurrent neutrophilic dermatosis of unknown cause. The lesions usually start as tender sterile papulopustules or erythematous nodules that undergo necrosis followed by ulceration. The lower limbs are most commonly affected and around half of the cases are associated with systemic disorders. Although rare, cases of(More)
Two patients who underwent surgical exclusion of the thoracic aorta for chronic dissecting aneurysms of the descending aorta died 4 and 8 years after surgery due to complications in part related to the operative technique. One patient developed pseudoaneurysm of the proximal aortic stump with fatal exsanguination through an aortapulmonary fistula. The other(More)
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