The term granuloma usually refers to a solid group of inflamed cells. Granulomas are your body's reaction to a biological, chemical or physical irritant, including some kind of trauma. Usually granulomas appear as small, localized bumps under the skin. The cells that define a granuloma frequently fuse together to create multinucleated giant cells.

Pyogenic Granuloma

Usually a small red, oozing and bleeding bump, pyogenic granulomas appear as an overgrowth of tissue caused by irritation, physical trauma or hormonal factors. The most common locations for pyogenic granulomas are the head, neck, upper trunk, hands and feet. Although pyogenic granulomas are benign growths, sometimes cancer can mimic these nodules so your physician will likely order a biopsy to be safe. Children, pregnant women, and those taking certain medications have a higher chance of developing a pyogenic granuloma.

Granuloma Annulare

Often occurring in otherwise healthy individuals, granuloma annulare presents as raised, reddish or skin-colored bumps that form ring patterns, usually on your hands and feet. Although the bumps look unattractive, granuloma annulare doesn't normally have other symptoms and it should resolve on its own. Sometimes linked with diabetes or thyroid disorders, granuloma annulare can appear in otherwise healthy individuals.

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