Search Results for: dermis

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Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus-like keratosis

…rates of lymphocytes, and melanophages. The presence of numerous individual necrotic keratocytes in the lower part of the epidermis and in the papillary dermis and/or signs of residual solar lentigo enable regression of lichen planus-like keratosis…

Histologic Diagnosis of Inflammatory Skin Diseases

Persistent light reaction

…be distributed around venules of the superficial and deep plexuses and in patchy lichenoid fashion in a thickened papillary dermis. Sometimes, eosinophils and plasma cells are present in the bandlike infiltrate. The findings of lichen simplex…

Histologic Diagnosis of Inflammatory Skin Diseases

Hypodermitis sclerodermiformis

…mber of capillaries in the upper part of the dermis, proliferation of vessels and thickening of the wall of them in the deep dermis, hemosiderin in the dermis, changes in elastic tissue, and fibrotic septa in subcutaneous tissue. Because Pierard and…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lymphocytic Infiltration of Jessner?

…se diseases are few and usually can be diagnosed with precision, particularly polymorphous light eruption when the papillary dermis is edematous and the tumid expression of discoid lupus erythematosus when the reticular dermis houses formidable…

Reflectance confocal microscopy: a useful and non-invasive tool in the in vivo differentiation of benign pigmented skin lesions from malignant melanoma. Report of a case

Reflectance confocal microscopy: a useful and non-invasive tool in the in vivo differentiation of benign pigmented skin lesions from malignant melanoma. Report of a case

…been described in the literature [2-4]. RCM is a novel, non-invasive imaging technique that allows for examination of the epidermis and superficial dermis at a cellular resolution [5]. Confocal criteria for the diagnosis of benign and malignant…

Histologic Diagnosis of Inflammatory Skin Diseases

Pyoderma gangrenosum

…agnosis histopathologic Sweet’s syndrome consists of nodular infiltrates of neutrophils, marked edema of the papillary dermis, and an intact epidermis, but it is not associated with suppurative infundibulitis. Sometimes pyoderma gangrenosum…

Histologic Diagnosis of Inflammatory Skin Diseases

Elastic Fibers

….D.) Figure 1.81 Elastic fibers in the papillary dermis are thin and, in the main, oriented somewhat perpendicular to the epidermis, whereas elastic fibers in the reticular dermis are thicker and tend to be arranged mostly parallel to the skin…

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