A sebaceous cyst is a bump, which develops underneath the skin. They are also termed as keratin cyst or epidermoid cyst. They develop and go away by themselves. Sebaceous cysts emerge due to blockage of sebaceous gland by a protein, named keratin. Sometimes, these sebaceous cysts smell pungent as they contain yellow clear oily liquid. They may occur in any part of our body, except soles of palm and feet. Sebaceous cysts may appear on head, back, breast, face, etc. They can be small or large in size. They are not harmful and are non-cancerous. They emerge as a result of a swollen hair follicle.
Cysts are the non-cancerous cyst on skin. They are caused by several abnormalities in the body. The causes behind sebaceous cyst are:
When a person suffers with sebaceous cyst, he/she experiences various symptoms, which are as follows: