Pigmented spindle cell nevus

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Pigmented Spindle Cell Nevus

The Pigmented Spindle Cell Nevus (pronunciation: pig-men-ted spin-dl sel nee-vus), also known as Reed's Nevus or Spitzoid Nevus, is a unique type of melanocytic nevus that is often characterized by its distinctive histological features.

Etymology

The term "nevus" is derived from the Latin word "naevus", which means "birthmark". The term "spindle cell" refers to the shape of the cells that make up this type of nevus, which are elongated and resemble a spindle. The term "pigmented" refers to the presence of pigment in the cells of the nevus.

Description

Pigmented Spindle Cell Nevus is a benign skin lesion that typically presents as a small, darkly pigmented papule or macule. It is most commonly found on the extremities, but can occur anywhere on the body. The lesion is usually less than 6mm in diameter and has a smooth surface.

Histologically, Pigmented Spindle Cell Nevus is characterized by a proliferation of melanocytes with elongated, spindle-shaped nuclei. These cells are often arranged in fascicles or nests and are typically heavily pigmented.

Related Terms

  • Melanocytic nevus: A type of skin lesion that is composed of melanocytes, the cells that produce the pigment melanin.
  • Spitz nevus: A type of melanocytic nevus that is often larger and more irregular in shape than a typical nevus.
  • Reed's nevus: Another name for Pigmented Spindle Cell Nevus, named after the dermatologist who first described it.

See Also

External links

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