Search Results for: scale-crust

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….

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…

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…

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….

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

Prurigo pigmentosa

…is en masse in foci Collections of neutrophils often found beneath a normal cornified layer with a basket-weave pattern Late Scalecrust that houses neutrophils Epidermis slightly acanthotic and parakeratotic Epidermis hyperpigmented Lymphocytes…

The dermatoscopic universe of basal cell carcinoma

The dermatoscopic universe of basal cell carcinoma

…scopic criteria of BSC are unfocused (peripheral) arborizing vessels, keratin masses, white structureless areas, superficial scale, ulceration or blood crusts, blue-grey blotches and blood spots in keratin masses. Notably, nearly all BSC were…

Differential Diagnosis in Dermatopathology

Psoriasis vs. Nummular dermatitis

…inous zone or granular zone of the epidermis, the result of the process being flaccid blisters that give way to erosions and crusts accompanied by erythema. When mostly the trunk is affected, the condition is termed “pemphigus…

Differential Diagnosis in Dermatopathology

Discussions

…s. Papules that result from insect “bites” are urticarial, often become vesicular, and of-times are covered by a crust. Because the lesions are so pruritic, evidences of excoriation in the form of erosions, ulcerations, and hemorrhagic…