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Spitz nevus in Adult
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Spitz nevus in Adult

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Contributors: William M. Lin MD, Belinda Tan MD, PhD, Susan Burgin MD
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Synopsis

Spitz nevus (spindle and epithelial cell nevus) is a benign melanocytic nevus that classically appears as a <5-6 mm dome-shaped, symmetric, smooth, pink to red papule on the head / neck or extremities.

Since its initial description by Sophie Spitz in 1948, the importance of these lesions has resided in its distinction from melanoma. While the classic Spitz nevus, as discussed here, can generally be distinguished from frank melanoma, there is also a spectrum of melanocytic proliferations with a spitzoid appearance and some atypical features (sometimes referred to as atypical Spitz tumor or AST) that fall somewhere in between and are difficult to classify.

Classic Spitz nevi are asymptomatic. The majority of lesions are solitary, but, rarely, they can be multiple and widespread (eruptive disseminated) or localized (agminated) in one area. These nevi tend to occur in children under 10 years old.

Codes

ICD10CM:
D22.9 – Melanocytic nevi, unspecified

SNOMEDCT:
254811006 – Spitz nevus

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Last Updated: 10/31/2017
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Spitz nevus in Adult
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Spitz nevus : Arm, Face, Leg, Neck, Smooth papule, Hyperpigmented papule
Clinical image of Spitz nevus
A close-up of a crusted, pink and light brown papule.
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