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Erythema annulare centrifugum (EAC), is a descriptive term for a class of skin lesion [2] presenting redness in a ring form (anulare) that spreads from a center (centrifugum). It was first described by Darier in 1916.
Annular erythema of infancy (AEI) consists of self-limited eruptions of erythematous, annular to polycyclic patches and plaques. It is an idiopathic figurate erythema. [1] Over several days, a single lesion disappears without leaving behind any scale or hyperpigmentation. Mostly affecting the trunk, face, and extremities, this rash has no symptoms.
Erythema annulare centrifugum Superficial types: [18] Mild spongiosis, parakeratosis and microvesiculation. "Coat-sleeve anomaly": tight lymphohistiocytic infiltrate surrounding superficial vessels; Deep lesions: Sharply demarcated perivascular mononuclear cell infiltrate in middle to deep dermis [18] Not otherwise specified [notes 2]
The causes, and therefore treatments for rashes, vary widely. ... Erythema migrans / Lyme disease: ... Erythema annulare centrifugum ...
Erythema annulare centrifugum (deep gyrate erythema, erythema perstans, palpable migrating erythema, superficial gyrate erythema) Erythema gyratum repens (Gammel's disease) Erythema migrans (erythema chronicum migrans) Erythema multiforme; Erythema multiforme minor (herpes simplex-associated erythema multiforme) Erythema palmare; Generalized ...
Some of the possible causes of a tumor in a dog's mouth or on the jaw include the following: Osteosarcoma: This can be external, just on the jaw bone, and not involve the mouth at all.
Scientists have discovered that inhibiting a protein could stop dyskinesia symptoms and erase the brain's "bad memory" response to long-term Parkinson's therapies.
Several theories have been put forth, however the pathophysiology of pressure urticaria is unknown. [3] Although there isn't an obvious early cutaneous reaction, the time of the reaction following the application of pressure to the skin, the shape of the lesions, and the infiltrating cells observed on histopathologic examination are indicative of a late-phase reaction. [5]