Search Results for: excoriation

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Reactive Perforating Collagenosis?

…ray within the crust. The changes just described are a caricature of those seen in many examples of ordinary “neurotic excoriations.” The same dynamic just described is at play in other diseases that result entirely from external trauma,…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen simplex chronicus/Prurigo nodularis/Picker’s nodule/Erosions/Ulcers

…nodularis. Atopic dermatitis results entirely from the effects of rubbing and scratching skin that is inordinately pruritic; excoriation produces erosions and ulcerations covered by crusts, some of them hemorrhagic; rubbing causes lichen simplex…

Histologic Diagnosis of Inflammatory Skin Diseases

Atopic dermatitis

…cific diagnosis histopathologic Necrosis in foci in the upper part of the epidermis is a clue to injury external, such as by excoriation. Erosion or ulceration in a focus above a scant infiltrate of inflammatory cells in the upper part of the dermis…

Histologic Diagnosis of Inflammatory Skin Diseases

Reactive perforating collagenosis

…ve perforating collagenosis is not a disease sui generis. It is a response to severe trauma external, usually in the form of excoriation furiously, in which bundles of degenerated collagen are gouged and become housed temporarily in a crust atop an…

Histologic Diagnosis of Inflammatory Skin Diseases

Selection of the Site

…17;s disease, and eosinophilic folliculitis, are exquisitely pruritic, scratching is an inevitable consequence, and signs of excoriation are nearly invariable. Excoriation produces erosions, ulcerations, and crusts, and, sometimes, is followed by…

Histologic Diagnosis of Inflammatory Skin Diseases

Macular and papular (lichenoid) amyloidosis-Cutaneous solely

…henoides chronica, a condition that we interpret to be a peculiar inflammatory disease on which is imposed signs dramatic of excoriation furious. Effects of excoriation alone are not affiliated with a net-like or rippled pattern; either is lichen…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Primary and Secondary Lesions?

…stinction is somewhat artificial, however, as a burn may evolve into a blister (a primary lesion) or a patient may create an excoriation (a secondary lesion) primarily.” Braun-Falco O, Plewig G, Wolff HH, et al. Basic science and principles of…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Study By Disease

…to arterial hypertension (Quiz #834) Ulcer secondary to arteriosclerosis and atherosclerosis (Quiz #835) Ulcer secondary to excoriation (Quiz #167) Ulcer secondary to excoriation (Quiz #169) Ulcer secondary to maceration, in this instance by the…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…sault, excoriated At scanning magnification, intraepidermal vesicles can be seen at the sides of an ulcer that resulted from excoriation animatedly of the pruritic lesion. 10.5.10A: Vesicular dermatitis, intraepidermal, spongiotic and ballooned +…