Search Results for: sebocyte-like melanocyte

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Differential Diagnosis in Dermatopathology

Discussions

…on neoplastic cells, keratocytes in the case of lichen planus-like keratosis and melanocytes in that of melanoma. A melanoma on sun-damaged skin of a face rarely undergoes regression, whereas a melanoma on a trunk or other covered part not uncommonly…

Dermatology Practical & Conceptual

The dermatoscopic universe of basal cell carcinoma

…le blue-gray dots/globules, (c) in-focus dots, (d) maple leaf-like areas, (e) spoke wheel areas (arrow) and (f) concentric structures (arrows). [Copyright: ©2014 Lallas et al.] Figure 3. (a) Large dilated vessels in the dermis, corresponding to the a…

Histologic Diagnosis of Inflammatory Skin Diseases

Melanocytes

…they possess abundant translucent cytoplasm. The nucleus of a melanocyte is smaller and more deeply basophilic than that of a basal keratocyte, and the cytoplasm of it is dendritic, unlike that of a keratocyte (Fig. 1.63). Dendrites of melanocytes ar…

Histologic Diagnosis of Inflammatory Skin Diseases

Subcutaneous T-cell lymphoma

…bcutaneous T-cell lymphoma Synonyms Subcutaneous panniculitis-like lymphoma Presentation stereotypical Age and sex Mostly women in the third and fourth decades of life Distribution of lesions Extremities, trunk, face, neck, and breasts Arrangement of…

Differential Diagnosis in Dermatopathology

Discussions

…as a consequence of the effects of lymphocytes on neoplastic melanocytes. As must be apparent, lichen planus-like keratosis is not a specific neoplasm unto itself; it is a solar lentigo en route to becoming a reticulated seborrheic keratosis that, a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eczema?

“Eczema is that which looks like eczema.” Hebra F. Kaposi M. Lehrbuch der Hautkrankheiten. Bd, 2. Aufl. Erlangen: Enke, 1874:403-93. “In Anglo-American usage, the term dermatitis is being used increasingly for all these conditions…

Histologic Diagnosis of Inflammatory Skin Diseases

Gout

…tinucleate, surround pale granular basophilic material Needle-like spaces in radial arrangement in the zone of basophilic material, they representing outlines of urate crystals that were dissolved during processing of the specimen Yellow-brown crysta…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…matory disease, not a neoplastic or hyperplastic vascular one like Kaposi’s sarcoma with which it sometimes is confused; extravasated erythrocytes and siderophages lack specificity. 10.20.2A: Nodular dermatitis, granulomatous + 10.20.2B: Infilt…

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