Search Results for: crust

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ease Grover’s disease often is vexingly pruritic, the effects of excoriation being seen here as erosions, ulcerations, crusts, and scale-crusts. As a rule, the most infuriatingly pruritic lesions of Grover’s disease contain many…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…es monopolize around venules of the superficial plexus, along the dermoepidermal junction, in the spinous zone, and in scale-crust beneath a normal cornified layer with its basket-weave configuration = Mucha-Habermann disease, acute Because the…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…re centrifugum. 10.2.2A: Perivascular dermatitis, spongiotic psoriasiform + 10.2.2B: Edema of the papillary dermis and scale-crust = Nummular dermatitis Spongiotic psoriasiform dermatitis with scale-crust usually is encountered in one of two…

Dermoscopic findings in reactive perforating collagenosis

Dermoscopic findings in reactive perforating collagenosis

…clinical and histological features, a diagnosis of RPC was established. Figure 3. (A) Cup–shaped ulceration with basophilic crust (hematoxylin and eosin, ×40). (C) Perforation through the epidermis forming a tunnel filled with cellular debris,…

Saved by step sections: an unusual presentation of basal cell carcinoma

Saved by step sections: an unusual presentation of basal cell carcinoma

…recurrence was seen at a six-month follow-up (Figure 4D). Figure 1. Clinical appearance: 2 cm erythematous patch with focal crusting and scaling. [Copyright: ©2011 Werner et al.] Figure 2A. Panoramic view of first section showing well demarcated…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Reactive Perforating Collagenosis?

…pear blue rather than the usual red, and are found not only in the upper part of the dermis but in vertical array within the crust. The changes just described are a caricature of those seen in many examples of ordinary “neurotic…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ous inflammation and, eventually, to fibrosis. 10.22.19A: Perivascular dermatitis, psoriasiform, patchy lichenoid with scale crust + 10.22.19B: Hyphae present in abundance + 10.22.19C + 10.22.19D = Dermatophytosis This is but one of many…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…s histopathologic. 10.25.4A: Perivascular dermatitis, interface, lichenoid + 10.25.4B: Predominance of lymphocytes and scale-crust atop an erosion = Lichenoid drug eruption Even at scanning magnification, a determination can be made that the…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…n those circumstances, it can be distinguished from allergic contact and nummular dermatitis by the periodicity of the scale-crusts. 10.90.6A: Perivascular dermatitis, psoriasiform + 10.90.6B: Lymphocytes around vessels, thin rete ridges of about…