Search Results for: scale

Dermoscopic characteristics of nodular squamous cell carcinoma and keratoacanthoma

Dermoscopic characteristics of nodular squamous cell carcinoma and keratoacanthoma

…iginous, reticular or linear according to the criteria of Kittler et al [22]. We evaluated for the presence of keratin crust/scale, central keratin mass, collarette, white circles, white pearls, white lines, white structureless areas and hemorrhage….

Differential Diagnosis in Dermatopathology

Discussions

…nd dilated capillaries in dermal papillae spiral close to the base of the epidermis. In dyshidrotic dermatitis, by contrast, scale-crusts are not arranged in periodic fashion, and unless there are evidences of excoriation, they do not contain…

Histologic Diagnosis of Inflammatory Skin Diseases

Mucha-Habermann disease

…lly are in mitosis, and often with a mix of inflammatory cells. Erythema multiforme does not show prominent parakeratosis or scale-crust, and the infiltrate of lymphocytes does not assume the shape of a wedge. Fixed drug eruption usually has neither…

Dermoscopic findings in reactive perforating collagenosis

Dermoscopic findings in reactive perforating collagenosis

…e 4). The homogeneous yellowish-brown structureless area observed at the center of the lesion was found to correspond to the scale-crust; the whitish rim to the epidermal invagination, the thickness of which varied in some areas; and the pink-white…

Proton pump inhibitor induced Sweet’s syndrome: report of acute febrile neutrophilic dermatosis in a woman with recurrent breast cancer

Proton pump inhibitor induced Sweet’s syndrome: report of acute febrile neutrophilic dermatosis in a woman with recurrent breast cancer

…ions [39]. They not only created and studied an adverse drug reaction probability scale (Table 1), but also found that their scale was reliable and valid for: (1) assessing a potential adverse drug reaction and (2) assigning a probability category….

Histologic Diagnosis of Inflammatory Skin Diseases

Elastosis perforans serpiginosa

…phils, and red-staining elastic fibers that are thickened Correlation clinicopathologic Keratotic excrescences are formed of scale-crusts that seem to emerge from dilated ostia of infundibula and that represent the distal end of epithelial channels…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…indings 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

Photoallergic dermatitis

…cytes Marked edema of the papillary dermis Slight acanthosis Spongiotic vesicles Cornified layer either normal or covered by scale-crusts Late Superficial or superficial and deep perivascular and interstitial infiltrate of lymphocytes mostly Uneven…

Histologic Diagnosis of Inflammatory Skin Diseases

Pellagra

…ial plexus. Blisters develop as a result of extreme intracellular edema in spinous cells in the upper half of the epidermis. Scale consists of parakeratosis and scale-crust of parakeratosis, serum, and, sometimes, neutrophils. Differential diagnosis…