Search Results for: sebocyte-like melanocyte

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Histologic Diagnosis of Inflammatory Skin Diseases

Subcutaneous Fat: Panniculitis

…ears ago, was considered, wrongly, to be “pseudorheumatoid nodule”) (Fig. 5.395 A&B). Necrobiosis lipoidica, like granuloma annulare, may involve the reticular dermis alone (rarely the upper half of it only) (Fig. 5.396 A-D) and the…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…eing discoid lupus erythematosus, and what seems to be a manifestation of it, to wit, Degos” disease, a sometimes lookalike of it, namely, dermatomyositis, and disseminated superficial porokeratosis of years duration. 10.63.25A: Perivascular…

Differential Diagnosis in Dermatopathology

Discussions

…endent on of the effects of lymphocytes, in dense infiltrates, 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,…

The dermatoscopic universe of basal cell carcinoma

The dermatoscopic universe of basal cell carcinoma

…k and the detection of one of six positive criteria: arborizing vessels, ulceration, large blue-gray ovoid nests, maple leaf-like areas, spoke wheel areas or multiple blue-grey dots/globules [1]. The substantial reproducibility of these criteria has…

Histologic Diagnosis of Inflammatory Skin Diseases

Melanocytes

…on of the body, being more numerous in the skin of the face (up to 2,900 melanocytes per mm2) than on the trunk (up to 1,250 melanocytes per mm2). Figure 1.62 Epidermal melanocytes, when viewed through a conventional microscope, appear as…

Histologic Diagnosis of Inflammatory Skin Diseases

Subcutaneous T-cell lymphoma

…eport of two cases. J Eur Acad Dermatol Venereol 1998;10(1):62-66. Weenig RH, Ng CS, Perniciaro C. Subcutaneous panniculitis-like T-cell lymphoma: an elusive case presenting as lipomembranous panniculitis and a review of 72 cases in the literature….

On the nature of thought processes and their relationship to the accumulation of knowledge, Part XV-Limits to cognition: epistemic, random, or both?

On the nature of thought processes and their relationship to the accumulation of knowledge, Part XV-Limits to cognition: epistemic, random, or both?

…a means of adapting to change. Perhaps, therefore, it is a good thing that we do not remember everything. Useful things are likely to occur commonly and we are likely to remember items that will be utilized. As Marcus points out, we have evolved to…

Differential Diagnosis in Dermatopathology

Discussions

…keratosis is accompanied by lichenoid infiltrates of lymphocytes, it may have many attributes in common with a lichen planus-like keratosis. In addition to a bandlike infiltrate of lymphocytes in the upper part of the dermis and that obscures the…

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