Search Results for: itch-scratch sequence

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…

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,…

Histologic Diagnosis of Inflammatory Skin Diseases

Lupus erythematosus

…o, it now will be for lesions of it histopathologic, after which criteria for diagnosis will be set forth telegraphically in sequence chronological. A “butterfly blush” is characterized histopathologically by a sparse infiltrate of…

Differential Diagnosis in Dermatopathology

Discussions

…ess to become a papule and even a nodule and tumor. The same may 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…

Histologic Diagnosis of Inflammatory Skin Diseases

Factitious dermatitis and panniculitis

…of foreign body granulomatous inflammation. Pentazocine panniculitis is manifested as sclerodermoid plaques consequent to a sequence of thrombosis, granulomatous inflammation, and pronounced fibrosis in the dermis and subcutaneous fat. Povidone…

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…