What is a Melanotic sarcoma?

What is a Melanotic sarcoma?

Soft Tissue Tumors with Melanocytic Diff. Clear cell sarcoma (CSS) is a rare melanin-producing soft tissue sarcoma most commonly arising from tendons and aponeuroses of lower extremities, especially feet.

Are all melanomas malignant?

The vast majority of skin cancers are basal cell carcinomas and squamous cell carcinomas. While malignant, these are unlikely to spread to other parts of the body if treated early. They may be locally disfiguring if not treated early. A small but significant number of skin cancers are malignant melanomas.

Is skin cancer the same as melanoma?

Melanoma is not a different disease from skin cancer. It is, rather, a form of skin cancer. Of the three major forms of skin cancer, melanoma is the rarest but also the most aggressive.

What are Lentigines?

A lentigo (plural: lentigines) is a spot on the skin that is darker (usually brown) than the surrounding skin. Lentigines are more common among Caucasian patients, especially those with fair skin, but can occur in anyone.

What is the decrease in activity of melanocytes called?

Vitiligo – Decreased number of melanocytes due to autoimmune destruction causing decreased melanin.

What is sarcoma?

Sarcoma is a type of cancer that can occur in various locations in your body. Sarcoma is the general term for a broad group of cancers that begin in the bones and in the soft (also called connective) tissues (soft tissue sarcoma). Soft tissue sarcoma forms in the tissues that connect, support and surround other body structures.

What is melanoma and where does it start?

Melanoma is a cancer that usually starts in a certain type of skin cell. The 3 main types of cells in the top layer of the skin (called the epidermis) are: Squamous cells: These are flat cells in the outer part of the epidermis that are constantly shed as new ones form.

What is melanoma skin cancer?

Melanoma skin cancers Melanoma is a cancer that begins in the melanocytes. Other names for this cancer include malignant melanoma and cutaneous melanoma. Most melanoma cells still make melanin, so melanoma tumors are usually brown or black.

What type of cells make up melanoma?

Melanocytes: These are the cells that can become melanoma. They make a brown pigment called melanin, which gives the skin its tan or brown color. Melanin protects the deeper layers of the skin from some of the harmful effects of the sun.