Differential Diagnosis in Dermatopathology

Discussions

…osus et atrophicus expression of morphea presents itself in a sequence as follows: rose-colored macules and patches, then whitish papules and plaques, and last atrophic patches, some of which are dotted by dilated ostia of infundibula filled with hor…

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…

Differential Diagnosis in Dermatopathology

Discussions

…staphylococcal scalded skin syndrome evolves clinically in a sequence that begins with erythematous macules on the face and neck, and in the axillae and groin, progresses to extensive formation of bullae, and eventuates in “potato chip”…

Differential Diagnosis in Dermatopathology

Lichen sclerosus et atrophicus vs. Superficial morphea

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 telangiectases…

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

Factitious dermatitis and panniculitis

…ulitis is manifested as sclerodermoid plaques consequent to a sequence of thrombosis, granulomatous inflammation, and pronounced fibrosis in the dermis and subcutaneous fat. Povidone panniculitis is marked by nodules made up of histiocytes positioned…

Differential Diagnosis in Dermatopathology

Discussions

…dermis and, episodically, into the subcutaneous fat. As a consequence of the proliferation of fibrocytes and the accompanying fibroplasia, some normal folliculo-sebaceous units may be destroyed, but eccrine structures tend to be spared. The epidermi…