Search Results for: epidermis

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…spongiotic and ballooned + 10.66.3B: Edema of the papillary dermis, lymphocytes along the dermoepidermal junction and in the epidermis, spongiosis, ballooning, pallor across viable epidermis, and scale-crusts = Mucha-Habermann disease, acute All the…

Histologic Diagnosis of Inflammatory Skin Diseases

Hailey-Hailey disease

…otic cells, some with polygonal outlines, above the basal layer and, in some foci, throughout at least the lower half of the epidermis Infundibular epidermis and epithelial structures of adnexa spared by the acantholytic process Scale-crusts Late…

Histologic Diagnosis of Inflammatory Skin Diseases

"Folliculitis" (Infundibulitis)

…umbers having been drawn chemotactically to infected necrotic acantholytic cells in what, at first, was a blister in surface epidermis. Episodically, infection by herpesvirus may be centered in infundibular epidermis. Clues to specific diagnosis…

Histologic Diagnosis of Inflammatory Skin Diseases

Herpes gestationis

…athologically by numerous eosinophils in an edematous papillary dermis and, often, by variable numbers of eosinophils in the epidermis. Sometimes no eosinophils are present in the epidermis, whereas at other times many are there. Irrespective of the…

Histologic Diagnosis of Inflammatory Skin Diseases

Introduction

…; the average thickness of epidermis is about 0.4 mm. As is the case for every other part of the skin, as a person ages, the epidermis shrinks, that atrophy being physiologic. The epidermis is a metabolically active, stratified squamous, cornifying…

Histologic Diagnosis of Inflammatory Skin Diseases

Psoriasis

…y plates thin Slight spongiosis in the lower part of the epidermis Spongiform pustules sometimes in the upper reaches of the epidermis Granular zone of the epidermis decreased or absent, except in association with adnexal structures where it is…

Histologic Diagnosis of Inflammatory Skin Diseases

Pigmented Lesions

…#8217;s (351, 354, 355, 361, 363, 365, 366, 367) Silhouette of a benign neoplasm. Nests of melanocytes may be present in the epidermis alone or in the epidermis and the dermis together; the uppermost part of the subcutaneous fat may be affected…

Histologic Diagnosis of Inflammatory Skin Diseases

Prurigo pigmentosa

…eutrophils often found beneath a normal cornified layer with a basket-weave pattern Late Scale-crust that houses neutrophils Epidermis slightly acanthotic and parakeratotic Epidermis hyperpigmented Lymphocytes nearly monopolize in a very sparse…

Histologic Diagnosis of Inflammatory Skin Diseases

Mucha-Habermann disease

…ematous component is muted. It must be mentioned that changes of Mucha-Habermann disease at the interface between dermis and epidermis, and in the epidermis itself also are met with at the interface between dermis and infundibular epidermis and…