Search Results for: scale-crust

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…nd perifolliculitis shown is not specific, but were it on a face, it could be that of acne vulgaris or of rosacea. Mounds of scalecrust at the lips of an infundibular ostium indicate that seborrheic dermatitis is concurrent in this patient….

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…

Melanocytic nevi and melanoma: overlapping criteria—the degree is the key

Melanocytic nevi and melanoma: overlapping criteria—the degree is the key

…rmoepidermal within the upper spinous layers, nuclear crowding with atypia in areas especially with excoriation, ulceration, scalecrust, or scarring. Accordingly, in view of the foregoing, it is essential to be knowledgeable of special sites,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Colors Stereotypical for Diseases Specific?

…rangement of lesions, pertain to characteristics morphologic of individual lesions themselves: changes in the surface (e.g., scale or crust); the outline of lesions (e.g., polygonal or oblong); and consistency, as judged by palpation (e.g.,…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…n those in dermis, and elongated mounds of parakeratosis = Mycosis fungoides, plaque Elongated mounds of parakeratosis or of scalecrust are seen often in patches and plaques of indubitable mycosis fungoides, such as in the example depicted here….

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…

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….

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…