Search Results for: keratocyte

Histologic Diagnosis of Inflammatory Skin Diseases

Dermatomyositis

…on with subtle vacuolar alteration and an occasional necrotic keratocyte Mucin increased slightly in the reticular dermis Venules of the superficial plexus dilated Epidermis slightly thinned focally Nuclei of keratocytes of thinned epidermis sometime…

Histologic Diagnosis of Inflammatory Skin Diseases

Melanocytes

…te is smaller and more deeply basophilic than that of a basal keratocyte, and the cytoplasm of it is dendritic, unlike that of a keratocyte (Fig. 1.63). Dendrites of melanocytes are revealed more effectively with silver salts that stain melanin black…

Histologic Diagnosis of Inflammatory Skin Diseases

Cells That Mediate Inflammation (Inflammatory Cells)

…may be released by a variety of cells, among them leukocytes, keratocytes, and eosinophils. In skin, bullous pemphigoid is stereotypical of the effects of such a reaction. Eosinophils modify the action of mast cells by virtue of capability to phagocy…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…unction with complement that resides on epidermal and adnexal keratocytes in pemphigus vulgaris and pemphigus foliaceus; (2) neutrophils on keratocytes in the lower part of the epidermis of subepidermal vesicular dermatitides, such as dermatitis herp…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…nds to be deep as well as superficial. An occasional necrotic keratocyte may be spotted in the epidermis. 10.2.6A: Perivascular dermatitis, spongiotic psoriasiform + 10.2.6B: Lymphocytes and collagen bundles in streaks perpendicular to the skin surfa…

Histologic Diagnosis of Inflammatory Skin Diseases

Dermoepithelial Interface

…microscopy as a thin band situated immediately beneath basal keratocytes, a strip that was stained magenta by the periodic acid-Schiff method (Fig. 1.70). In time, with the aid of electron microscopy, it came to be recognized as a specialized struct…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…junction and in the spinous zone, and ballooned and necrotic keratocytes = Mucha-Habermann disease, acute That this lesion is recent in onset may be inferred from the presence of an entirely normal cornified layer, ballooned keratocytes, many indivi…