Annular erythema

What is it cancel erythema?

Erythema annulare is a descriptive term that refers to a series of chronic cancel and erythematous skin rashes. Other descriptive terms used to classify these types of injuries include:

• Annular erythema
• Centrifugal annular erythema
• Figurative erythema
• Perstane erythema
• Erythema gyratum perstans
• Erythema figuratum perstans.

Erythema gyratum repens is often classified separately.

See more images of erythema annulare.

What are the signs and symptoms of erythema annulare?

Erythema annulare can occur at any time in life, from infancy to old age. the eruption It usually starts as a small, raised, pinkish-red spot that slowly enlarges and forms a ring as the central area flattens and clears. There may be an inner edge of scale. The rings enlarge at a rate of approximately 2–5 mm / day until they reach a diameter of approximately 6–8 cm. Sometimes the lesions do not form complete rings, but instead grow in irregular shapes. One or more injuries may be present.

Anull erythema It most often appears on the thighs and legs, but can occur on the face, trunk, and arms. The lesions rarely cause symptoms, but may be mildly itchy or itchy in some patients.

What Causes Erythema Annulare?

Often no specific cause is found for erythema annulare. However, erythema annulare has sometimes been associated with underlying diseases and conditions. These include:

• Bacterial, fungal and viral infections like tuberculosis, secondary syphilis, sinusitis, yeast infection or ringworm
• Medications including chloroquine and hydroxychloroquine, estrogen, penicillin and amitriptyline
• Food, most often blue cheese or tomatoes
• Recurrent or chronic appendicitis
• Cholestatic liver disease (blocked biliary system)
• Graves disease (overactive thyroid gland).

In these situations, the anull erythema resolves once the underlying cause or causal drug It's stopped.

How is the diagnosis of erythema annulare made?

The diagnosis of erythema annulare is made clinically and can be confirmed by histopathology, which shows a perivascular lymphocytic infiltration.

More research can be done to exclude other causes of ring rashes and look for an underlying cause, if any.

Differential diagnosis of annular erythema includes:

• Erythem gyratum perstans, a paraneoplastic rash associated with underlying malignancy in which there are concentric and rotating rings
• Erythema migrans (Lyme disease)

• Target lesions in erythema multiforme

• Cancel plates with central bullae in fixed drug eruption and bullous pemphigoid
• Serpiginous plates in cutaneous larva migrans
• Cancel dermal plates in granuloma annular and in a lichen planus shape
• Cancel scaly plates in discoid eczema, chronic license plate psoriasis, seborrheic dermatitis, pityriasis rosea, discoid lupus, porokeratosis, and ringworm (dermatophyte infection)
• Smooth annular, Urticated injuries in urticariaSweet syndrome, polymorphous light rash, subacute cutaneous lupus erythematosus and systemic lupus erythematosus.

What is the treatment for erythema annulare?

Erythema annulare usually goes away on its own. The eruptions can last a few weeks or many years (the average duration is 11 months). Most cases of erythema annulare do not require treatment (and there is no known curative therapy). But nevertheless, current Corticosteroids can be helpful in reducing redness, swelling, and itching.