Is a compound nevus cancer?

Is a compound nevus benign or malignant?

Compound naevi are considered to be benign neoplasms of melanocytes if they arise in later life. Compound naevi arise from a flat (junctional) naevus that exists earlier in life and may have a raised central portion of deeper pigmentation with surrounding tan-brown macular pigmentation.

Can a nevus be cancerous?

While most congenital nevi are harmless, they can occasionally become cancerous.

Is a nevus benign?

These moles are benign (noncancerous) but often resemble melanoma. They may feature different colors, appear asymmetrical, or have odd borders.

What is a compound nevus in medical terms?

Listen to pronunciation. (KOM-pownd NEE-vus) A type of mole formed by groups of nevus cells found in the epidermis and dermis (the two main layers of tissue that make up the skin).

Does compound nevus grow?

A junctional nevus will typically evolve over time into a compound nevus, which is a nevus with both epidermal and dermal melanocytes. Compound nevi become elevated and usually are more pale. Junctional nevi will typically grow to be 3 or 4 mm across, stop growing sideways, and begin to evolve into a compound nevus.

Can a nevus be removed?

Small- and medium-sized nevi are generally harmless but can be removed for aesthetic reasons. Removal of a small nevus consists of a simple excision, cutting out the affected area and stitching the surrounding skin back together. Removing a large nevus is a much more daunting process.

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What causes a nevus?

What causes nevi? Large congenital melanocytic nevi form in the womb very early in development, within the first twelve weeks of pregnancy. They are caused by a mutation during embryologic development. There is no known method of prevention.

Can you have melanoma for years and not know?

How long can you have melanoma and not know it? It depends on the type of melanoma. For example, nodular melanoma grows rapidly over a matter of weeks, while a radial melanoma can slowly spread over the span of a decade. Like a cavity, a melanoma may grow for years before producing any significant symptoms.

What does a benign nevus look like?

While benign moles are usually a single shade of brown, a melanoma may have different shades of brown, tan or black. As it grows, the colors red, white or blue may also appear. D is for Diameter and Dark.

What does nevus look like?

A common mole (nevus) is a small growth on the skin that is usually pink, tan, or brown and has a distinct edge. A dysplastic nevus is often large and does not have a round or oval shape or a distinct edge. It may have a mixture of pink, tan, or brown shades.