Search Results for: diffuse neuroendocrine system (anachronistic)

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Dermatology Practical & Conceptual

Blue nevus with a starburst pattern on dermoscopy

…ical examination revealed spindle cells with melanin pigments diffusely present in the upper dermis and around hair follicles in the mid-dermis, but not in the epidermis. The melanocytic cells were arranged in a symmetrical wedge-shaped configuration…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…at are induced by prolonged administration of corticosteroids systemically or by application topically. CRUST [L. crusta (crust)]: A collection of serum that contains white blood cells, red blood cells, or both (Fig. 3.12). The honey-colored crusts o…

Dermatology Practical & Conceptual

Incidental Merkel cell carcinoma in a cutaneous horn: a case report

…in cells believed to function in mechano-reception and/or the neuroendocrine system. Merkel cell carcinoma (MCC), is a rare cutaneous malignancy first described in 1972 by Toker [1]. Also known as primary neuroendocrine carcinoma of skin, this aggres…

Histologic Diagnosis of Inflammatory Skin Diseases

Predominantly Intraepithelial Fluorescence

…helial pattern of fluorescence is of significance and that is diffuse, somewhat coarse, granularity present throughout the epithelium (often most evident in the lower half of the epidermis and with extension, variably, through the basement membrane z…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.7.1A: Diffuse dermatitis, mixed-cell + 10.7.1B: Proliferation of venules lined by plump endothelial cells, a sprinkling of neutrophils and nuclear “dust” of neutrophils, and clumps of granular violaceous material = Bacillary an…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.16.1A: Diffuse dermatitis, granulomatous and fibrosing + 10.16.1B: Purple intranuclear and intracytoplasmic inclusions in a fibrocyte = Cytomegalic inclusion disease The attributes cytopathologic of cytomegalic inclusion disease pictured a…

Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Skin: Perivascular Dermatitis

…In nephrogenic fibrosing dermopathy, however, the changes are diffuse, not focal, and never are there discrete zones in which a palisade has been formed by the mesenchymal cells. Figure 5.33 A&B. Diagnosis with specificity. A perivascular infiltr…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Anagen Effluvium?

…ed in most quarters as hair loss largely as a complication of systemic therapy with antineoplastic drugs. Unfortunately for a student seeking to understand the subject of anagen effluvium, authors who employ the term all too often propagate misinform…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.24.1A: Nodular and diffuse dermatitis, granulomatous + 10.24.1B: Lymphocytes and plasma cells in a collection of histiocytes that exhibit abundant pale cytoplasm = Destombes-Rosai-Dorfman disease Histiocytes with large round nuclei and abu…

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