What is a melanocytic naevus? A melanocytic naevus (American spelling ‘nevus’), or mole, is a common benign skin lesion due to a local proliferation of pigment cells (melanocytes). It is sometimes called a naevocytic naevus or just 'naevus' …

Nevus (pl.: nevi) is a nonspecific medical term for a visible, circumscribed, chronic lesion of the skin or mucosa. [1] . The term originates from nævus, which is Latin for "birthmark"; however, a nevus can be either congenital (present at birth) or acquired.

2018年5月31日 · Nevus (plural: nevi) is the medical term for a mole. Nevi are very common. Most people have between 10 and 40. Common nevi are harmless collections of colored cells. They typically appear as small...

Spitz naevi are dome-shaped papules or nodules that most often arise on the face or limbs of children and adolescents. They enlarge over a few months, and are often red or deeply pigmented, resembling melanoma.

What are naevi? Congenital naevi or birthmarks are essentially coloured skin markings that develop before or shortly after birth. Naevi are sometimes called hamartomas, which are disordered proliferations of cells within the tissue of origin, and are due to a developmental error.

A melanocytic nevus (also known as nevocytic nevus, nevus-cell nevus, and commonly as a mole) [1][2] is usually a noncancerous condition of pigment-producing skin cells. It is a type of melanocytic tumor that contains nevus cells. [2] .

Melanocytic nevus is the medical term for a mole. Nevi can appear anywhere on the body. They are benign (non-cancerous) and typically do not require treatment. A very small percentage of melanocytic nevi may develop a melanoma  within them. Of note, the majority of cutaneous melanomas arise within normally appearing skin.

Another name for a mole is a nevus. The plural is nevi. What does a common mole look like? A common mole is usually smaller than about 5 millimeters wide (about 1/4 inch, the width of a pencil eraser). It is round or oval, has a smooth surface with …

2025年1月6日 · What is a melanocytic nevus? A melanocytic nevus, more commonly known as a mole, is a dark spot on the skin that can vary in size and is caused by clusters of pigment-producing cells called melanocytes. Most individuals with light skin tones have between 20 to 50 melanocytic nevi in their body by the time they reach adulthood.

2017年6月1日 · Clinically nevi have been initially classified as either acquired or congenital, both further subdivided into junctional, compound and dermal naevi based on the location of the nests of melanocytes and nevocytes within the skin (epidermis or dermis).