hori's nevus - Health Topics
Acquired bilateral nevus of ota-like macules (ABNOM) or Hori's nevus was first described by Hori et al. in 1984. It presents as asymptomatic blue- brown or slate-gray colored macules, located bilaterally on the face, without mucosal involvement.
Understanding the Context
Hori's Nevus also known as Nevus of Ota is a common pigment disorder, particularly in Asian Women. Learn more about this condition and your treatment options. Hori's Nevus | Nevus of Ota | Treatment Options for This Pigmentation Hori's nevus, also known as acquired bilateral nevus of Ota-like macules, is a cutaneous condition characterized by multiple brown–gray to brown–blue macules, primarily in the malar region of the face. A nevus of Hori is a brown or brownish-blue patchy discoloration on the face.
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Key Insights
It occurs almost exclusively in Asian women and develops in middle age (around 40-50 years old). Hori nevus explained: what it is, how and when it appears, and why picosecond lasers such as PicoSure and PicoWay are effective treatments. In contrast with Mongolian spots and like the Nevus of Ota, Hori’s Nevus is surrounded by an extracellular sheath. This persistant sheath does not allow pigmentation to exit. Acquired bilateral nevus of Ota-like macules (ABNOM), also known as Hori nevus, is one of the most commonly acquired dermal facial melanocytoses among people with dark skin, especially Asian women.