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Biomedical subjects

Francisco Pereira

Publications and source records attributed to Francisco Pereira.

2 recordsLinked to original sources

Multiple nevoid malignant melanomas in a patient with AIDS: the role of proliferating cell nuclear antigen in the diagnosis.

The rapid growth of lesions clinically resembling compound nevi in patients with HIV/AIDS should alert physicians to the possibility of malignant melanomas. Immunohistochemistry for proliferating cell nuclear antigen can be helpful in the diagnosis of these tumors. A case of multiple primary nevoid melanomas in a patient with HIV/AIDS is reported.

Acquired Immunodeficiency Syndrome↗

Quantitative flow visualization: toward a comprehensive flow diagnostic tool.

Quantitative flow visualization has many roots and has taken several approaches. The advent of digital image processing has made it practical to extract useful information from every kind of flow image. In a direct approach, the image intensity or color (wavelength or frequency) can be used as an indication of concentration, density and temperature field, or gradients of these scalar fields in the flow.(1) For whole-field velocity measurement, the method of choice for experimental fluid mechanicians has been digital particle image velocimetry (DPIV). This paper presents a novel approach to extend the DPIV technique from a planar method to a full three-dimensional volume mapping technique.

Biological Transport↗