Search Results for: scale-crust

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…of parakeratosis usually 3. Mounds of parakeratosis often 4. Crust above site of spongiosis or spongiotic vesiculation sometimes 4. No crust 5. Single focus of spongiosis often at the site of the “bite” itself 5. Several foci of spongios…

Dermatology Practical & Conceptual

Zosteriform cutaneous leishmaniasis diagnosed with the help of dermoscopy

…thematous 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 similar additional lesions were found on the right upper chest (Fig…

Histologic Diagnosis of Inflammatory Skin Diseases

Phaeohyphomycosis

…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 yeasts, hyphae, and pseudohyphae in abscesses. Differential diagno…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…s 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 detect them. 10.77.7A: Vesicular dermatitis, intraepidermal, spo…

Dermatology Practical & Conceptual

From the Dermatologikum Hamburg: Quiz

…d 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 2H). A diffuse infiltrate of neutrophils, lymphocytes, plasma cell…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Cutaneous T-cell Lymphoma?

…iolaceous, or orange; the patches may be surmounted by a fine scale. A somewhat irregular or notched border may help differentiate early CTCL from clinically similar benign dermatoses, as may a discrete area of uninvolved skin within a larger lesion…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema marginatum

…esions that, at their periphery, are topped by collarettes of scale. Urticaria consists of evanescent edematous pink papules and/or plaques that usually are distributed widely and are pruritic. Findings histopathologic Fully developed Superficial per…