Search Results for: lichenoid

Histologic Diagnosis of Inflammatory Skin Diseases

Macular and papular (lichenoid) amyloidosis-Cutaneous solely

…of broadened dermal papillae in the apparent absence of an infiltrate of inflammatory cells is a clue to macular or papular (lichenoid) amyloidosis. Numerous melanophages in the papillary dermis are a clue to postinflammatory pigmentary alterations…

Differential Diagnosis in Dermatopathology

Lichen planus vs. Lichenoid discoid lupus erythematosus

A condition in which deposits of a fibrillary protein (amyloid) appear in the skin as macules, papules, and nodules consequent to the effects of local factors, or as patches (which may be purpuric), plaques, nodules, and tumors as a result of a…

Differential Diagnosis in Dermatopathology

Lichen planus vs. Lichenoid secondary syphilis

A condition in which deposits of a fibrillary protein (amyloid) appear in the skin as macules, papules, and nodules consequent to the effects of local factors, or as patches (which may be purpuric), plaques, nodules, and tumors as a result of a…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus

…ility of a lichenoid drug eruption, particularly one caused by gold, must be entertained. If many eosinophils are noted in a lichenoid dermatitis, a lichenoid drug eruption is a diagnosis reasonable. It must be noted, however, that a sprinkling of…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…the way such a lesion often is biopsied, i.e., very superficial shave technique. 11.14.29A: Perivascular dermatosis, patchy lichenoid + 11.14.29B: Wiry bundles of collagen in foci of lichenoid infiltration of lymphocytes, lymphocytes as solitary…

Histologic Diagnosis of Inflammatory Skin Diseases

Mycosis fungoides

…nction with lymphocytes in a thickened papillary dermis are a clue to patches and plaques of mycosis fungoides. A spongiotic lichenoid, psoriasiform lichenoid, or spongiotic psoriasiform lichenoid pattern in which lymphocytes predominate…