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Differential Diagnosis in Dermatopathology

Discussions

…y be said for macules of melanoma on every site anatomic. The sequence histopathologic of changes in “lentigo maligna”, as in melanoma in situ on all anatomic sites, begins with proliferation of individual melanocytes whose nuclei are sma…

Histologic Diagnosis of Inflammatory Skin Diseases

Lupus erythematosus

…h criteria for diagnosis will be set forth telegraphically in sequence chronological. A “butterfly blush” is characterized histopathologically by a sparse infiltrate of lymphocytes and neutrophils around venules of the superficial plexus,…

Histologic Diagnosis of Inflammatory Skin Diseases

Rosacea

…imes, plasma cells Fragments of infundibular epithelium, a consequence of rupture, in the vicinity of granulomas sometimes Tiny collections of neutrophils in some granulomas Caseous necrosis within some granulomas at times Some granulomas impinge on…

Histologic Diagnosis of Inflammatory Skin Diseases

Pemphigus vulgaris

…ss of pemphigus foliaceus or Hailey-Hailey disease. The usual sequence in pemphigus vulgaris is development of blisters that seem to arise from normal skin, but, as has been mentioned, urticarial lesions may appear, albeit rarely. When they do develo…

Differential Diagnosis in Dermatopathology

Discussions

…d lupus erythematosus pass through all of the stages in their sequence chronologic, they come to atrophy, that being the terminus that follows on macules and patches of erythema, scaly papules and plaques, including plugs of horny material in widened…

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