Nevus spilus
| Nevus spilus | |
|---|---|
| Other names: Speckled lentiginous naevus[1] | |
 | |
| Nevus spilus, approximately 3 cm x 4 cm | |
 | |
| Specialty | Dermatology |
| Symptoms | Light brown or tan birth mark, speckled with small, dark spots or small bumps[2] |
| Usual onset | Birth[2] |
| Risk factors | Phakomatosis pigmentovascularis[3] |
| Diagnostic method | By its appearance[2] |
| Differential diagnosis | Cafe au lait spots [1] |
| Frequency | Between 0.2% and 2.8% of general population, males=females [1] |
Nevus spilus, also known as speckled lentiginous nevus, is a light brown or tan birth mark, speckled with small, dark spots or small bumps.[2] It frequently occurs on the chest and legs and follows Blaschko's lines.[2] If it occurs in a segmental pattern then it is sometimes referred to as a zosteriform speckled lentiginous nevus.[2] It may be small or large, and there may be one or several.[2]
It may be associated with types of phakomatosis pigmentovascularis.[3]
Prevalence is between 0.2% and 2.8%.[1]
Signs and symptoms
It presents at birth with a light brown or tan mark, speckled with small, darker spots or small bumps.[2] It frequently occurs on the chest and legs and follows Blaschko's lines.[2] If it occurs in a segmental pattern then it is sometimes referred to as a zosteriform speckled lentiginous nevus.[2] It may be small or large, and there may be one or several.[2]
See also
References
- ↑ 1.0 1.1 1.2 1.3 DE, Elder; D, Massi; RA, Scolyer; R, Willemze (2018). "2. Melanocytic tumours:Nevus spilus". WHO Classification of Skin Tumours. Vol. 11 (4th ed.). Lyon (France): World Health Organization. pp. 87–88. ISBN 978-92-832-2440-2. Archived from the original on 2022-07-11. Retrieved 2022-08-12.
- ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 James, William D.; Elston, Dirk; Treat, James R.; Rosenbach, Misha A.; Neuhaus, Isaac (2020). "30. Melanocytic nevi and neoplasms". Andrews' Diseases of the Skin: Clinical Dermatology (13th ed.). Edinburgh: Elsevier. pp. 686–687. ISBN 978-0-323-54753-6. Archived from the original on 2023-07-01. Retrieved 2023-06-29.
- ↑ 3.0 3.1 Johnstone, Ronald B. (2017). "32. Lentigines, nevi and melanomas". Weedon's Skin Pathology Essentials (2nd ed.). Elsevier. p. 530. ISBN 978-0-7020-6830-0. Archived from the original on 2023-07-01. Retrieved 2023-06-29.
External links
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| External resources |