Salmon patch

Salmon patch
Other names: Naevus simplex;[1] unna neavus;[1] naevus flammeus simplex; nevus simplex
An example on the back of a child's neck
SpecialtyDermatology
Diagnostic methodBased on the appearance[2]
Differential diagnosisNevus flammeus (port-wine stain), infantile haemangioma (strawberry nevus)[2]

Salmon patch, also known as naevus simplex, is a type of birth mark that presents as a flat patch of pink or red skin.[2][3] They become darker red with crying and turn pale when pressure is applied to the skin.[2] Areas commonly involved include around the eyes, scalp, and neck.[3] It is not associated with pain.[2]

It occurs as a result of small blood vessels in the skin widening.[2] Diagnosis is based on the appearance.[2] When it affects the back of the neck it is known as a stork bite and when it occurs around the nose or eyes it is known as an angel's kiss.[2] They are not technically naevi.[1]

They often improve and resolve by two years of age; though, when the back of the neck is involved about half of cases remain to some degree.[2] Laser therapy may be used in cases that do not resolve.[2] Regardless the condition is not serious.[2]

Naevus simplex affects about 40% of white babies.[2] Males and females are affected with similar frequency.[2]

Signs and symptoms

Types include:[4]

References

  1. 1 2 3 Happle, R. (December 2015). "Capillary malformations: a classification using specific names for specific skin disorders". Journal of the European Academy of Dermatology and Venereology. 29 (12): 2295–2305. doi:10.1111/jdv.13147. PMID 25864701.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 "Naevus simplex". dermnetnz.org. Archived from the original on 9 June 2023. Retrieved 29 September 2023.
  3. 1 2 McLaughlin, MR; O'Connor, NR; Ham, P (1 January 2008). "Newborn skin: Part II. Birthmarks". American family physician. 77 (1): 56–60. PMID 18236823.
  4. James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. Page 582–3. ISBN 0-7216-2921-0.
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