Comedo Nevus

Comedo Nevus

Article
Skin Care
Diseases & Conditions
+2
Contributed byLester Fahrner, MD+1 moreJan 11, 2022

The topic Comedo Naevus you are seeking is a synonym, or alternative name, or is closely related to the medical condition Nevus Comedonicus.

Quick Summary:

  • Nevus Comedonicus is a rare skin abnormality that affects the folliculosebaceous glands. It is characterized by closely situated, elevated papules on the skin, causing ‘blackheads’. They are thought to originate from a defect causing keratinous plugs of hair/oil follicular units. However, the cause of Nevus Comedonicus is unknown
  • Nevus Comedonicus is present at birth in half the cases. Most of the remainder cases occur before age ten years, although later onset is sometimes seen. The condition typically affects only one side of the body; the commonly affected areas being the face, neck, chest, back, calves, and in rare cases, the penis
  • Papules (small, raised skin forms) that form on the skin can either be singular or multiple, affecting large areas of the body. Other than being present as a cosmetic issue, these papules usually do not cause any symptoms; although sometimes, itching may be present
  • A diagnosis of Nevus Comedonicus may be made using a physical examination, dermoscopy (examination of the skin using a magnifying lens), and a tissue biopsy
  • If the papules are small in size, they can be surgically removed; if they are extensive, topical creams are prescribed to treat them. Without treatment, the papules will grow and become worse. With prompt and appropriate treatment, the prognosis of Nevus Comedonicus is good
  • Nevus Comedonicus can be part of Nevus Comedonicus syndrome, which consists of eye abnormalities (such as cataracts), bone abnormalities, and central nervous system abnormalities

Please find comprehensive information on Nevus Comedonicus regarding definition, distribution, risk factors, causes, signs & symptoms, diagnosis, complications, treatment, prevention, prognosis, and additional useful information HERE.

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On the Article

Krish Tangella MD, MBA picture
Approved by

Krish Tangella MD, MBA

Pathology, Medical Editorial Board, DoveMed Team
Lester Fahrner, MD picture
Reviewed by

Lester Fahrner, MD

Chief Medical Officer, DoveMed Team

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