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. Fo…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema annulare centrifugum

…herpes gestationis, some examples of lupus erythematosus and dermatomyositis, and the deficiency diseases, acrodermatitis enteropathica, necrolytic migratory erythema, pellagra, kwashiorkor, Hartnup’s disease, and maple syrup disease, to menti…

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 poikilode…