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Differential Diagnosis in Dermatopathology


…re present within an epithelium, examples being lichen planus, lichenoid discoid lupus erythematosus, lichenoid photodermatitis, and lichenoid gold dermatitis. In short, so-called satellite-cell necrosis is simply a necrotic keratocyte, analogous to…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Colors Stereotypical for Diseases Specific?

“The color of skin lesions varies as already stated. … White lesions are rare excepting in exfoliative diseases, the scales of which are white. They usually result from loss of pigment. White spot disease, morphea, some of the idiopathi…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology


“Pigmented purpuric eruptions. Under this term, three diseases are listed. It is doubtful that the division is warranted, since the most recent studies would suggest that these three divisions are each a phase or type of chronic capillaritis…

Histologic Diagnosis of Inflammatory Skin Diseases


…and pyoderma gangrenosum; and those typified by long-standing lichenoid infiltrates of lymphocytes, such as lichen planus, disseminated superficial actinic porokeratosis, and some examples of the lichenoid purpura of Gougerot and Blum (and the neopl…

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