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Subcutaneous nodule - Definition


Nodules are abnormal growths that accumulate on the surface of tissue or in an organ. They are normally round. When they develop under the skin they are classed as subcutaneous nodules. The lump formed is generally visible to the naked eye or can be felt by touch on simple examination. The skin over the nodule can appear normal, or be inflamed, when it frequently appearing reddened and swollen and is sensitive to touch, and feels hotter to the touch than the surrounding skin. Sub-cutaneous nodules are for the most part benign, developing following microbial infection of the skin, for example. If the nodule does not disappear or is suspicious, a sample is sometimes taken for testing.