Orlando Almeida

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CONTEXT AND OBJECTIVE Breast cancer is thought to derive from progressively aberrant, non-invasive breast lesions, but it is not known exactly how invasive breast cancer develops from these lesions. The aim of this study was to verify the changes in c-erbB-2 and p53 protein expression between non-neoplastic ducts, ductal carcinoma in situ and invasive(More)
198 Mammographic artifact leading to false-positive result Artefato em mamografia causando resultado falso-positivo A female, 75-year-old was referred by another service with previous screening mammogram demonstrating clustered pleo-morphic microcalcifications in the superolateral quadrant of her left breast, classified as highly suspicious mammographic(More)
We describe a case of relapsing polychondritis associated with Reiter's Syndrome in a 46-year-old white man. Relapsing polychondritis is a rare disorder of unknown etiology associated in about 30% of cases with other rheumatic disorders such as connective tissue diseases, vasculitis and exceptionally, seronegative spondyloarthritis. We found this(More)
Clear-cell sarcoma is a rare tumor that arises in association with tendons and aponeuroses. Although it shares with malignant melanoma several histologic and ultrastructural features, it has a clinical course different from that of conventional melanomas. A case of clear-cell sarcoma studied by immunoscintigraphy with 99mTc-labeled F(ab')2 fragments of the(More)
left posterior temporal lobe that was distant from the aneurysm and from any subarachnoid cisterns. The case presented here is important because it establishes a mechanism for remote bleeding. In previous reports, a variety of explanations for distant hemorrhage have been proposed, including hypertensive crisis, the formation of jets through subarach-noid(More)
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