Skin tumor
Skin tumor refers to the abnormal growth of skin cells that multiplies uncontrollably in the skin. Skin tumors can be benign (non-cancerous) or malignant (cancerous). They can occur anywhere on the skin, but are most common on areas exposed to the sun.
Types of Skin Tumors[edit | edit source]
There are several types of skin tumors, including:
- Basal cell carcinoma: This is the most common type of skin cancer. It occurs in the basal cells, which are found in the lowest layer of the epidermis.
- Squamous cell carcinoma: This type of skin cancer occurs in the squamous cells, which are found in the middle and outer layers of the skin.
- Melanoma: This is the most serious type of skin cancer. It occurs in the melanocytes, which are the cells that produce melanin, the pigment that gives skin its color.
- Dermatofibroma: This is a common type of benign skin tumor. It is a small, firm bump that usually appears on the legs but can also be found on the arms or torso.
Causes and Risk Factors[edit | edit source]
Skin tumors are caused by mutations in the DNA of skin cells. The mutations cause the cells to grow and divide rapidly, forming a mass of abnormal cells. The exact cause of these mutations is not known, but certain factors can increase the risk of developing skin tumors. These include:
- Exposure to ultraviolet (UV) radiation from the sun or tanning beds
- Having a fair skin that burns easily
- A history of sunburns
- A family history of skin cancer
- A weakened immune system
Diagnosis and Treatment[edit | edit source]
Skin tumors are usually diagnosed by a dermatologist through a physical examination and a biopsy. The treatment depends on the type, size, and location of the tumor, as well as the patient's overall health. Treatment options include surgery, radiation therapy, chemotherapy, and immunotherapy.
Prevention[edit | edit source]
Prevention of skin tumors involves protecting the skin from the sun, avoiding tanning beds, and getting regular skin checks.
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Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.Contributors: Prab R. Tumpati, MD