Our skin is not just a protective layer—it can also act as an early warning system for internal health issues. When large, abnormal swellings appear under the skin, particularly on the shoulder, back, or arms, it can be alarming.
These unusual lumps may seem benign at first, but in some cases, they could indicate serious underlying conditions that require medical.
This article provides a comprehensive health guide to understanding what such skin abnormalities might mean, when they are harmless, and when you should seek professional help.
If you notice an enlarged, dome-shaped swelling that appears suddenly or gradually increases in size, it could be linked to several conditions. Here are some of the most common and medically recognized causes:
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