Search Results for: infiltrate

Histologic Diagnosis of Inflammatory Skin Diseases

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…at higher magnification by noting abnormal lymphocytes in the infiltrate and too many lymphocytes in league with too little spongiosis in the epidermis, findings diagnostic of mycosis fungoides. 11.14.6A: Perivascular dermatosis, spongiotic psoriasif…

Histologic Diagnosis of Inflammatory Skin Diseases

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…Perivascular dermatitis, psoriasiform lichenoid + 10.103.1B: Infiltrate of histiocytes, plasma cells, lymphocytes, and neutrophils, edema of the papillary dermis, and neutrophils in the acanthotic epidermis, including in a broad zone of parakeratosi…

Histologic Diagnosis of Inflammatory Skin Diseases

Xanthogranuloma

…thologic Early Moderately dense perivascular and interstitial infiltrates of histiocytes, few if any of which have foamy cytoplasm and none of which are multinucleate; formation of a sheet of histiocytes in the upper half of the dermis sometimes Some…

Histologic Diagnosis of Inflammatory Skin Diseases

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…ose of an early lesion of lichen planus because the lichenoid infiltrate and the epidermal changes are confined to a tiny focus. 10.60.3A: Perivascular dermatitis, interface, lichenoid + 10.60.3B: Lymphocytes only, edema in a dermal papilla, jagged a…

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphocytoma cutis

…ors of B-cell lymphoma Fully developed Nodular and/or diffuse infiltrate made up mostly of small lymphocytes in the reticular dermis and, sometimes, in the upper part of the subcutaneous fat Infiltrate usually denser in the upper part (“top hea…

Histologic Diagnosis of Inflammatory Skin Diseases

Graft-versus-host disease/Eruption of lymphocyte recovery

…indings histopathologic Early Sparse superficial perivascular infiltrate of lymphocytes; eosinophils sometimes and melanophages in variable number, too Epidermis thinned, at least focally Vacuolar alteration in conjunction with a sprinkling of lympho…

Histologic Diagnosis of Inflammatory Skin Diseases

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…1.3A: Perivascular dermatosis, lichenoid + 11.11.3B: Bandlike infiltrate of lymphocytes beneath jagged acanthosis, hypergranulosis, and hyperkeratosis = Lichen planus-like keratosis, fully developed  The overwhelming majority of biopsy specimens of l…