Search Results for: scale

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Histologic Diagnosis of Inflammatory Skin Diseases

Gianotti-Crosti disease

…and/or scale-crusts Late Same as in a lesion developed fully, but with less spongiosis, more acanthosis, and more prominent scale-crusts Correlation clinicopathologic Papules result from spongiosis, edema of the papillary dermis, and a perivascular…

Histologic Diagnosis of Inflammatory Skin Diseases

Pemphigus foliaceus

…t themselves in several ways. In some instances, flaccid blisters are apparent, whereas in others no blisters are seen, only scale-crusts being observable. That the scale-crusts are manifestations of a blistering disease may be inferred because they…

Differential Diagnosis in Dermatopathology

Mucha-Habermann disease vs. Secondary syphilis

An inflammatory disease characterized by lesions with arcuate, annular, and serpiginous outlines and by collarettes of scale on the inner margin of lesions that extend outward in centrifugal fashion, disappearing in months as a rule in the absence…

Large cell acanthoma: a debate throughout the decades

Large cell acanthoma: a debate throughout the decades

…atures in a case of ours were a brown, “broken up” pseudonetwork, scattered gray, brown dots and foci of surface scale (Figure 1A-C). Figure 1A. A sharply demarcated patch on sun exposed skin. [Copyright: ©2014 Patsatsi et al.] Figure…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema marginatum

…extremities of healthy adults and presents itself as annular lesions that, at their periphery, are topped by collarettes of scale. Urticaria consists of evanescent edematous pink papules and/or plaques that usually are distributed widely and are…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Cutaneous T-cell Lymphoma?

…n CTCL, patches are often erythematous, but may be red-brown, violaceous, or orange; the patches may be surmounted by a fine scale. A somewhat irregular or notched border may help differentiate early CTCL from clinically similar benign dermatoses,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Colors Stereotypical for Diseases Specific?

…ophies, syphilitic leucoderma, vitiligo, the peculiar whitish blue of argyria, and depigmented scars are examples. Psoriasis scales have a peculiar silvery tinge. Pink and red lesions are usually inflammatory, excepting in nevi, and red tattooing….

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…and interstitial infiltrate containing numerous eosinophils = Eosinophilic pustular folliculitis/papular eruption of HIV The scale-crust is situated at a site where a pustule, housed at first in an infundibulum, had been scratched, a discrete ulcer…

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