Publications by authors named "Osvaldo Giannotti Filho"

The inverted papilloma is an uncommon unilateral nasosinusal benign tumor. The clinical picture presents nonspecific signs and symptoms, such as unilateral nasal obstruction, anosmia and headache. The diagnosis is established by anamnesis, physical exam, computed tomography and magnetic resonance imaging.

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Hamartomas were first described by Albrecht in 1904, who defined them as tumor-like malformations in which there was abnormal blending of the normal components of an organ. The myoid hamartoma is a rare benign lesion of the breast and has an uncertain origin, possibly in the walls of the blood vessels, muscularis mammillae of the areolae, and mainly in myoepithelium. We report 3 cases of myoid hamartomas of the breast, with the clinical, radiologic, and histopathological findings, and review the literature.

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Background: Intracoronary stents have been extensively used in percutaneous coronary revascularization. However, despite the breakthroughs and developments associated with this new technology, novel complications and findings have emerged compelling the cardiac surgeon to cope with this new scenario. The presence of an intracoronary foreign body (stent) might induce an inflammatory reaction to the coronary artery and surrounding cardiac muscle.

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