Search Results for: scale-crust

Histologic Diagnosis of Inflammatory Skin Diseases

Phaeohyphomycosis

…are formed of suppuration joined by granulomatous inflammation that, in time, is followed by fibrosis. Epidermal changes of scalecrust result from parakeratosis accompanied by plasma and neutrophils. Dematiaceous (black) fungi may be present as…

Histologic Diagnosis of Inflammatory Skin Diseases

"Folliculitis" (Infundibulitis)

…mooth infundibular papules in the axillae and periareolar region of women. Seborrheic dermatitis is accompanied by mounds of scalecrust at the lips of infundibular ostia. Rosacea, and its variants, perioral and periocular dermatitis, is affiliated…

The dermoscopic variability of Degos disease at different stages of progression

The dermoscopic variability of Degos disease at different stages of progression

…by an erythematous halo (Figure 1a), while papules of longer duration displayed a central ulceration covered by a yellowish crust and were surrounded by a whitish rim (Figure 2a). Finally, porcelain-white scars with a reddish or hyperpigmented halo…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Chondrodermatitis Nodularis Helicis?

…chondrodermatitis nodularis helicis, consist of papules or nodules, and they tend to become eroded, ulcerated, fissured, and crusted, also as a result of the external trauma. As might be expected, the constellation of papular and nodular lesions…

Zosteriform cutaneous leishmaniasis diagnosed with the help of dermoscopy

Zosteriform cutaneous leishmaniasis diagnosed with the help of dermoscopy

…srael a month before the rash appeared. On examination, two erythematous nodules, with a central ulcer covered with a yellow crust, were evident on the upper right back (Figure 1A). An erythematous papule was evident as a satellite lesion. Three…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…exuberant manifestation of pemphigus vulgaris in which countless eosinophils are present in a thickened epidermis covered by scalecrust. At scanning magnification, aspects of pemphigus vulgaris are not apparent; higher magnification is required to…

From the Dermatologikum Hamburg: Quiz

From the Dermatologikum Hamburg: Quiz

…he scalp The section pictured in Figure 2A-S shows an eroded and partly ulcerated epidermis (Figure 2G) covered by extensive scale crust housing numerous neutrophils (Figure 2S). Some neutrophils are scattered within the epidermis (Figures 2D and…

Hypopigmented atypical Spitzoid neoplasms (atypical Spitz nevi, atypical Spitz tumors, Spitzoid melanoma): a clinicopathological update

Hypopigmented atypical Spitzoid neoplasms (atypical Spitz nevi, atypical Spitz tumors, Spitzoid melanoma): a clinicopathological update

…0-yr-old girl. Clinically (A) the lesion is firm red nodule with a central depression. Dermoscopically (B), a central yellow crust could resemble the umbilication of a molluscum contagiosum; however, vessels around the crust are atypical; in…

The relevance of recognizing clinical and morphologic features of pityriasis lichenoides: clinicopathological study of 29 cases

The relevance of recognizing clinical and morphologic features of pityriasis lichenoides: clinicopathological study of 29 cases

…meters evaluated. In the epidermis: acanthosis, spongiosis, lymphocyte exocytosis, parakeratosis, necrotic keratinocytes and scale crust. And in the dermis: papillary edema hemorrhage, perivascular lymphocytic infiltrate and atypical lymphocytes….