Search Results for: lymphocytes

Histologic Diagnosis of Inflammatory Skin Diseases

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…sion presented itself as that of guttate psoriasis. 10.90.19A: Perivascular dermatitis, spongiotic psoriasiform + 10.90.19B: Lymphocytes in dermal papillae and in spongiotic foci in the spinous zone, and a hint of pallor beneath a focus of…

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphomatoid papulosis

…type, fully developed Wedge-shaped, superficial and deep, perivascular and interstitial monomorphous infiltrate of abnormal lymphocytes Abnormal lymphocytes with large pleomorphic roundish nuclei and prominent nucleoli surrounded by abundant…

Histologic Diagnosis of Inflammatory Skin Diseases

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…in zones where histiocytes predominate. When an interstitial pattern reminiscent of granuloma annulare is made up mostly of lymphocytes, the diagnosis probably is one of the many expressions histopathologic of mycosis fungoides. Another condition…

Histologic Diagnosis of Inflammatory Skin Diseases

Limitations of the Algorithmic Method

…that limitation is overcome by spotting telltale signs, e.g., wiry bundles of collagen in company with patchy infiltrates of lymphocytes in the upper part of the dermis, lymphocytes disposed as solitary units in loci of the epidermal basal layer,…

Histologic Diagnosis of Inflammatory Skin Diseases

Syphilis

…ue stage, often presents itself as that particular pattern. In mycosis fungoides, however, the infiltrate consists mostly of lymphocytes, whereas in secondary syphilis, rarely is the infiltrate composed mostly of lymphocytes, that occurring only in…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…; quality of the infiltrate. 10.64.4A: Nodular dermatitis, lymphocytic + 10.64.4B: Large lymphocytes intermingled with small lymphocytes, both populations of lymphocytes being monomorphous + 10.64.4C + 10.64.4D = Lymphocytoma cutis This is an…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus-like keratosis

…damaged badly by sunlight as evidenced by copious quantities of solar elastosis. Solar keratosis, too, may be accompanied by lymphocytes. Moreover, the lymphocytes in lichen planus-like keratosis sometimes induce nuclear atypia in keratocytes…

Histologic Diagnosis of Inflammatory Skin Diseases

Graft-versus-host disease/Eruption of lymphocyte recovery

…the section of tissue Compact orthokeratosis or parakeratosis or both Fully developed Superficial perivascular infiltrate of lymphocytes Lichenoid infiltrate of lymphocytes in association with vacuolar alteration obscures the dermoepidermal junction…