What causes Figurate erythema?
What causes Figurate erythema?
The pathogenesis of erythema annulare centrifugum (EAC) is unknown, but it is probably due to a hypersensitivity reaction to a variety of agents, including drugs, arthropod bites, infections (bacterial, mycobacterial, viral, fungal, filarial), ingestion (blue cheese Penicillium), and malignancy.
What are annular skin lesions?
DEFINITION. Annular skin lesions are figurate lesions characterized by a ring-like morphology. Although plaques represent the most common presentation of annular lesions, lesions may also be macular, nodular, or composed of grouped papules, vesicles, or pustules.
Are erythema migrans annular?
Erythema chronicum migrans is the cutaneous hallmark of Lyme disease. One or more large erythematous patches may appear anywhere on the skin. The lesions expand centrifugally, sometimes with central clearing, giving rise to annular patches.
What is excessive erythema?
Specialty. Dermatology. Erythema (from the Greek erythros, meaning red) is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. It occurs with any skin injury, infection, or inflammation.
What is annular erythema?
Annular erythema is a descriptive term that refers to a number of chronic annular and erythematous skin eruptions. Other descriptive terms used to classify these types of lesions include:
What is erythema annulare centrifugum (EF)?
Erythema annulare centrifugum is a chronic reactive form of annular erythema characterised by erythematous, circular, arciform, and polycyclic lesions, with a characteristic delicate scale behind the advancing edge (‘trailing scale’). See more images of erythema annulare centrifugum.
What is the prognosis of eosinophilic annular erythema?
Eosinophilic annular erythema does not appear to be a severe disease; although it has rarely been associated chronic gastritis with H. pylori, diabetes mellitus, chronic hepatic C virus infection, chronic kidney disease, autoimmune thyroid disease, chronic borreliosis and renal carcinoma (one case).
What causes paraneoplastic erythema annulare centrifugum eruption (peace)?
Paraneoplastic erythema annulare centrifugum eruption (PEACE) is speculated to be a result of a cytokine or other tumor-associated factors. Publication types Review MeSH terms
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