Search Results for: dermatomyositis

Differential Diagnosis in Dermatopathology

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…Discoid lupus erythematosus Dermatomyositis

Differential Diagnosis in Dermatopathology

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…trates of lymphocytes throughout the dermis. All of the findings just catalogued also may be seen in longstanding lesions of dermatomyositis. As might be expected, the panniculitis of morphea often is accompanied by changes in the dermis typical of…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema figuratum

…erythema gyratum repens, which is as much a marker of malignancy, especially of the breast, as are acanthosis nigricans and dermatomyositis acquired in adulthood, and a slew of conditions without any relationship to erythema annulare centrifugum,…

Differential Diagnosis in Dermatopathology

Discussions

…nd nail units, especially the proximal nail fold, may show signs of poikiloderma, a finding encountered at that site also in dermatomyositis. The findings histopathologic in mucous membranes and nail units of discoid lupus erythematosus are the same…

An itching plaque

An itching plaque

…ipeloid or sporotrichoid configurations. The skin lesions can also simulate connecting tissue diseases (lupus erythematosus, dermatomyositis) or tumors [4,5]. As in other inflammatory and infectious diseases [6,7], dermoscopy has emerged as a…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Discoid lupus erythematosus Dermatomyositis 1. Infundibula dilated commonly by plugs of cornified cells 1. Infundibula not plugged by cornified cells 2. Follicles atrophy and disappear consequent to the effects of products of lymphocytes 2….

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema annulare centrifugum

…by conventional microscopy, just as are bullous pemphigoid and herpes gestationis, some examples of lupus erythematosus and dermatomyositis, and the deficiency diseases, acrodermatitis enteropathica, necrolytic migratory erythema, pellagra,…

Differential Diagnosis in Dermatopathology

Discoid lupus erythematosus vs. Polymorphous light eruption

An inflammatory disease of children and adults that tends to involve skin and skeletal muscle mostly, the findings in the skin being patches with the color of heliotrope, especially in the periocular region. The disease manifests itself as…