Search Results for: itch-scratch sequence

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Differential Diagnosis in Dermatopathology

Discussions

…nant (“dermatofibroma”). Later still, sclerosis may prevail (“subepidermal nodular sclerosis”). This sequence of changes is manifested clinically as a reddish papule when there is marked vascularity; a purplish papule when…

Differential Diagnosis in Dermatopathology

Atrophic lichen planus vs. Atrophic discoid lupus erythematosus

A papular and pustular inflammatory process that is centered in follicles and is distributed mostly in the middle third of the face in both vertical and horizontal directions. Among the varied manifestations of rosacea are innumerable…

Differential Diagnosis in Dermatopathology

Dermatofibroma vs. Desmoplastic Spitz’s nevus

A papular and pustular inflammatory process that is centered in follicles and is distributed mostly in the middle third of the face in both vertical and horizontal directions. Among the varied manifestations of rosacea are innumerable…

Histologic Diagnosis of Inflammatory Skin Diseases

Rosacea

…of infundibular cysts that rupture with subsequent suppuration, granulomatous inflammation, and extensive fibrosis, in that sequence, and of what seems to be proliferation of sebocytes in lobules positioned outside the zones of fibroplasia. It is…

Histologic Diagnosis of Inflammatory Skin Diseases

Pemphigus vulgaris

…l, and vaginal. Mucous membranes are not caught up in the process 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,…

Differential Diagnosis in Dermatopathology

Discussions

…forearms, glans penis, and oral mucosa. When lesions of discoid 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…

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