OlivaClinic Nevi of Ota

Author: Oliva Clinic

Skin spots caused by the occurrence of melanocytes in the dermis, the intermediate portion of the skin. This disorder occurs most often in Asian residents, with an assessed occurrence of 0.2-0.6% for nevus of Ota in Japanese individuals. It was defined by Ota and Tanino in 19 39, is a hamartoma of dermal melanocytes. It is regularly considered by unilateral, mottled, slate blue or dark brown macules on the forehead and face around the eye area. The macular nevi resemble Mongolian spots in color and happen individually in the areas supplied by the 1st and 2nd divisions of the trigeminal nerve.

Symptoms:

  • Malignant melanoma very rarely develops, predominantly in Caucasian cases
  • Hyper pigmentation is usually located on one side of the face
  • May rarely cause glaucoma
  • May involve hyper pigmentation of parts of the eye
  • Color or perceived color of nevi may change according to environmental or personal conditions
  • It may slow develop and darken until a person is grown up

Cosmetic camouflage is the best management for this condition by masking the disfiguring markings. The nevi of ota are a benign dermal melanocytic lesion that has formerly verified hard to treat. Freshly, the Q-switched ruby laser has been described to be effective in treating benign pigmented lesions and tattoos. The laser uses photothermal and photomechanical energy to disintegration the abdnormal pigment cells and melanophages. Laser treatment is more effective in light skinned persons than in those with dark skin. Pathological analysis shows an increased number of pigment producing melanocytes in the dermis.

Types of Skin Pigmentation:

  • Flushing
  • Freckle
  • Nevus of Ota
  • Liver Spots
  • Mole

Frequently, the condition is not medically serious, sense that it mainly should be cured for cosmetic causes, as large areas of facial pigmentation can cause important social distress later in life. Infrequently, it can give rise to melanoma, which is a very serious form of skin cancer, and it can be related with glaucoma, or rise in the pressure within the eye. Histologically, nevi are illustrious from lentigos by the occurrence of nests of melanocytes, which lentigines lack. The disease tends to persevere and extend locally, flattering progressively protuberant with age, adolescence, and postmenopausal state.

Due to a better risk for difficulties, physicians have not always used laser therapy to treat these nevi in patients with darker skin types. You should see a dermatologist if there is any change in the nevus, especially if you are fair skinned. Olive Clinic offers lasers for pigmented lesion elimination.