Search Results for: spindle-cell hemangioma

Pigmented Lesions

Pigmented Lesions

…early in the course) in a mass in the reticular dermis, those cells appearing to be splayed between thickened bundles of collagen at the lateral margins. Melanin increased in amount in the epidermis. Hamartomas Collagenous nevus, papillary dermal typ…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…is + 11.16.2B: Proliferation of small vessels, edema, a mixed-cell infiltrate, and a thinned epidermis = Pyogenic granuloma, fully developed  At the base of the section is a large muscle-containing vessel that spiraled upward and from which sprang th…

Differential Diagnosis in Dermatopathology

Discussions

…hocytes and eosinophils, possess vessels lined by endothelial cells that may be plump and contain abundant cytoplasm, display fibroplasia, exhibit many plasma cells, and spare epithelial and non-epithelial structures of adnexa. Despite these elements…

Differential Diagnosis in Dermatopathology

Discussions

…innumerable dilated blood vessels lined by plump endothelial cells, some endothelial cells in mitosis, a mixed infiltrate of inflammatory cells, stroma that tends to be edematous and contain some mucin and large fibrocytes, a thinned epidermis with…

Differential Diagnosis in Dermatopathology

Dermatofibroma vs. Dermatofibrosarcoma protuberans

A systemic disease, which manifests itself in the skin first as violaceous macules and patches that tend to progress to papules and plaques, and sometimes to nodules and tumors, all of which represent hyperplasia of endothelial cells.

Histologic Diagnosis of Inflammatory Skin Diseases

A systemic disease, which manifests itself in the skin first as violaceous macules and patches that tend to progress to papules and plaques, and sometimes to nodules and tumors, all of which represent hyperplasia of endothelial cells.

Differential Diagnosis in Dermatopathology

Dermatofibroma with "monster" cells vs. Malignant fibrous histiocytoma

A systemic disease, which manifests itself in the skin first as violaceous macules and patches that tend to progress to papules and plaques, and sometimes to nodules and tumors, all of which represent hyperplasia of endothelial cells.

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…