Search Results for: lymphocytes

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Histologic Diagnosis of Inflammatory Skin Diseases

Sarcoidosis

…er of those findings being specific for sarcoidosis Few or no lymphocytes at the periphery of collections of epithelioid histiocytes; granulomas, at times, surrounded by numerous lymphocytes, especially when present in lobules in the subcutaneous fat…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

….1A: Perivascular dermatitis, interface, vacuolar + 10.42.1B: Lymphocytes along the dermoepidermal junction, slight spongiosis, and necrotic keratocytes in a thin epidermis = Graft-versus-host disease Sometimes it is difficult to differentiate graft-…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lymphocytic Vasculitis?

…tis can be inferred unequivocally if there are infiltrates of lymphocytes in and around the walls of venules accompanied by fibrin deposition in their walls or lumens, or both.” Carlson JA, Mihm MC, Leboit PE. Cutaneous lymphocytic vasculitis:…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lymphocytic Infiltration of Jessner?

…around vessels and/or appendages. The infiltrates consist of lymphocytes, mostly small ones, and usually a few histiocytes and plasma cells.” Jessner M, Kanof NB, Orfuss AJ. Lymphocytic infiltration of the skin. Arch Dermatol 1953;68:447&#8211…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mucha-Habermann Disease a Lymphocytic Vasculitis?

…iously in this disease is the invasion of the vessel walls by lymphocytes. In addition, the endothelial cells are swollen, narrowing the lumen of the affected vessels.” Szymanski FJ. Pityriasis lichenoides et varioliformis acuta. Arch Dermatol…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…rmis = Prurigo pigmentosa  Spongiosis is mediated commonly by lymphocytes or eosinophils. In prurigo pigmentosa, spongiosis is present early in the process and it is mediated mostly by neutrophils. 10.88.5A: Perivascular dermatitis, spongiotic + 10.8…

Differential Diagnosis in Dermatopathology

Discussions

…ivascular and interstitial mixed-cell infiltrates composed of lymphocytes and often of eosinophils, and may be typified further by the presence of some large lymphocytes, extravasated erythrocytes, edema of the papillary dermis, dilated venules and c…

Differential Diagnosis in Dermatopathology

Discussions

…ingly difficult at times because both diseases are made up of lymphocytes arrayed in band-like fashion in the upper part of the dermis and are scattered as solitary units in the epidermis (much more often in mycosis fungoides where it is the rule). A…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…f parakeratosis containing only tiny globules of serum 3. Few lymphocytes in association with prominent spongiosis 3. Many lymphocytes in company with slight spongiosis 4. Small lymphocytes in spongiotic foci 4. Small and sometimes large lymphocytes

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