#2 PINPOINT RED DOTS ON SKIN SKIN#
A small sample of affected skin is taken so it can be studied under a microscope in a laboratory.Ī blood glucose test may also be recommended. They'll usually be able to diagnose granuloma annulare from the appearance of your rash.Ī skin biopsy may be needed to diagnose the rarer types of granuloma annulare. See a GP if you have an unexplained rash that does not disappear within a few weeks. They can appear on the shins, ankles, feet, buttocks, hands, scalp and eyelids. One or more firm, rubbery lumps develop under the skin. Granuloma annulare under the skin usually affects children.
They're often found in skin folds in the armpits and groin. The rash is sometimes made up of small raised spots that form symmetrical rings 10cm or more across. As the rings get bigger, they become flatter and more purple in colour before eventually fading. They form rings that grow slowly until they're about 2.5-5cm across. Pink, purple or skin-coloured patches typically appear on the fingers, backs of the hands, feet, ankles or elbows. The most common type, localised granuloma annulare, appears in just 1 or 2 areas, tends to affect children and young adults, and usually gets better on its own after a few months. Here are some of the main types of granuloma annulaire: Localised granuloma annulare Granuloma annulare is more common in children and young adults, although it can affect people of all ages. It's not contagious and usually gets better on its own within a few months. The rash is not usually painful, but it can be slightly itchy. It usually appears on the back of the hands, feet, elbows or ankles. Granuloma annulare is a rash that often looks like a ring of small pink, purple or skin-coloured bumps.
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