A high percentage of skin lumps are not cancerous, according to University of Florida Health. Skin swelling and lumps can be caused by several factors, including trauma and infection.
In many cases, a cancerous lump feels firm to the touch, according to Health magazine. However, malignant soft tumors are also a possibility, explains Cleveland Clinic.
According to the American Society of Clinical Oncology, the symptoms of head and neck cancer can include a bump, lump or mass in the head and neck area. A lump on the head is not a sure indication of cancer, however, as other medical conditions can cause the same sympto...
Painful lumps under the skin are usually caused by injuries or infections, states MedlinePlus. These lumps include boils, which are caused by infected hair follicles, and carbuncles, which are groups of boils, according to WebMD. Lipomas are soft lumps under the skin th...
The cause of lipoma, a condition in which the skin has fatty deposits below it, is not clear, but it may involve genetic factors, notes WebMD. A mild injury also sometimes causes growth of the fatty deposits. Lipomas are harmless and do not progress into cancer.
Skin cancer occurs commonly among people who spend a lot of time in the sun, especially without wearing skin protection, notes the American Academy of Dermatology. Fair-skinned people and those who use tanning beds are at an elevated risk of contracting the disease.
Mayo Clinic cites ultraviolet light from both the sun and tanning beds as the most common cause of skin cancer. Other potential causes that do not involve sunlight are fair skin, excessive moles, living at a high altitude and a family history of skin cancer. The disease...