Differential Diagnosis in Dermatopathology

Discussions

Both pyogenic granuloma and Kaposi’s sarcoma consist of proliferations of endothelial cells, and both are hyperplasias. In most instances, papules and nodules of Kaposi’s sarcoma are differentiated easily by microscopy conventional from…

Differential Diagnosis in Dermatopathology

Discussions

Dermatofibroma and dermatofibrosarcoma protuberans are lesions made up of dense diffuse infiltrates of mesenchymal cells in company with bundles of collagen, the two together occupying at least much of the thickness of the dermis and sometimes part…

Differential Diagnosis in Dermatopathology

Discussions

In addition to possessing some cells with extraordinarily atypical nuclei, those referred to colloquially as “monster” cells, the two pathologic processes of very different nature that are the basis for this particular exercise in differ…

Differential Diagnosis in Dermatopathology

Discussions

Because bacillary angiomatosis of acquired immunodeficiency syndrome (AIDS) and pyogenic granuloma are vascular proliferations in the skin that have many features clinical and findings histopathologic in common, they may be mistaken easily for one a…