Search Results for: sebocyte-like melanocyte

Dermatology Practical & Conceptual

Spitz and Reed nevi: acquired or congenital?

…or subcutis [1,4,18,19]. In contrast to congenital nevi, the melanocytes of Clark nevi are usually monomorphous and small with an oval shape [1]. From a dermatoscopic point of view, acquired melanocytic nevi like Clark’s frequently exhibit a m…

Histologic Diagnosis of Inflammatory Skin Diseases

Algorithms Predicated on “Nonspecific” Findings

…ed intracellular edema of keratocytes that may result in a netlike pattern of epidermis necrotic invariably. Click image to enlarge. + Individual necrotic keratocytes, lymphocytes, and vacuolar alteration along the dermoepidermal interface, and a per…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Reticular Erythematous Mucinosis?

…ticular erythematous mucinosis Synonyms. REM syndrome, plaque-like cutaneous mucinosis This syndrome comprises areas of reticular erythema on the trunk with a mucinous and round cell infiltrate in the dermis, and is frequently called the REM syndrome…

Histologic Diagnosis of Inflammatory Skin Diseases

Mycosis fungoides

…to display wrinkling of the surface in a manner that has been likened to that of cigarette paper; in some patients, nodules and tumors come into being, those lesions at times becoming ulcerated. Course Lesions tend to persist, increasing, often slowl…

Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Skin: Perivascular Dermatitis

…of lymphocytes is decidedly “bottom heavy,” it is likely to be a manifestation of a lymphoma, rather than of a dermatitis. Figure 5.23 A. Perivascular dermatitis, superficial. B&C. Lupus tumidus. As a rule, the infiltrate of lymphocyt…

Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Subcutaneous Fat: Panniculitis

…ration of some lobules and constriction markedly of others. Unlike the situation in erythema nodosum, changes granulomatous similar to those in the subcutaneous fat also are present throughout the reticular dermis of necrobiosis lipoidica. Adipocytes…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…thematosus, discoid  A thickened epidermal basement membrane, like the one illustrated here, is seen only in classic discoid lupus erythematosus and in dermatomyositis. 10.63.7A: Perivascular dermatitis, interface, vacuolar and peri-infundibulitis/pe…