Nevus comedonicus: Difference between revisions
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{{Infobox medical condition | |||
| name = Nevus comedonicus | |||
| synonyms = Comedo nevus | |||
| field = [[Dermatology]] | |||
| symptoms = [[Blackheads]], [[comedones]], [[cyst]]s, [[abscess]]es | |||
| complications = [[Secondary infection]], [[scarring]] | |||
| onset = [[Birth]] or early [[childhood]] | |||
| duration = [[Chronic (medicine)|Chronic]] | |||
| causes = [[Genetic mutation]] | |||
| risks = [[Family history]] | |||
| diagnosis = [[Clinical diagnosis]], [[skin biopsy]] | |||
| differential = [[Acne]], [[epidermal nevus]], [[keratosis pilaris]] | |||
| treatment = [[Topical retinoids]], [[surgical excision]], [[laser therapy]] | |||
| frequency = Rare | |||
}} | |||
'''Nevus comedonicus''' is a rare type of [[epidermal nevus]], a skin condition that is present at birth or appears shortly after. It is characterized by closely arranged, dilated follicular openings with dark keratin plugs resembling [[comedones]]. | '''Nevus comedonicus''' is a rare type of [[epidermal nevus]], a skin condition that is present at birth or appears shortly after. It is characterized by closely arranged, dilated follicular openings with dark keratin plugs resembling [[comedones]]. | ||
== Signs and Symptoms == | == Signs and Symptoms == | ||
Nevus comedonicus typically presents at birth or during childhood. The condition is characterized by grouped pits filled with black, keratinous debris, similar to comedones. These can be found anywhere on the body, but are most commonly found on the face, neck, and upper trunk. The lesions can be asymptomatic, but may sometimes be associated with mild itching or discomfort. | Nevus comedonicus typically presents at birth or during childhood. The condition is characterized by grouped pits filled with black, keratinous debris, similar to comedones. These can be found anywhere on the body, but are most commonly found on the face, neck, and upper trunk. The lesions can be asymptomatic, but may sometimes be associated with mild itching or discomfort. | ||
== Causes == | == Causes == | ||
The exact cause of nevus comedonicus is unknown. It is thought to be due to a developmental defect of the hair follicle. The condition is not associated with excess sebum production, unlike acne vulgaris. | The exact cause of nevus comedonicus is unknown. It is thought to be due to a developmental defect of the hair follicle. The condition is not associated with excess sebum production, unlike acne vulgaris. | ||
== Diagnosis == | == Diagnosis == | ||
The diagnosis of nevus comedonicus is primarily clinical, based on the characteristic appearance of the lesions. A skin biopsy may be performed to confirm the diagnosis and rule out other conditions. | The diagnosis of nevus comedonicus is primarily clinical, based on the characteristic appearance of the lesions. A skin biopsy may be performed to confirm the diagnosis and rule out other conditions. | ||
== Treatment == | == Treatment == | ||
Treatment of nevus comedonicus can be challenging and is not always necessary, as the condition is primarily cosmetic. Options may include topical treatments, such as retinoids, as well as surgical options, such as excision or laser therapy. | Treatment of nevus comedonicus can be challenging and is not always necessary, as the condition is primarily cosmetic. Options may include topical treatments, such as retinoids, as well as surgical options, such as excision or laser therapy. | ||
== See Also == | == See Also == | ||
* [[Epidermal nevus]] | * [[Epidermal nevus]] | ||
* [[Comedo]] | * [[Comedo]] | ||
* [[Acne vulgaris]] | * [[Acne vulgaris]] | ||
== References == | == References == | ||
<references /> | <references /> | ||
[[Category:Dermatological conditions]] | [[Category:Dermatological conditions]] | ||
[[Category:Skin conditions]] | [[Category:Skin conditions]] | ||
[[Category:Congenital disorders]] | [[Category:Congenital disorders]] | ||
{{stub}} | {{stub}} | ||
{{dictionary-stub1}} | {{dictionary-stub1}} | ||
{{No image}} | {{No image}} | ||
Latest revision as of 06:16, 4 April 2025
| Nevus comedonicus | |
|---|---|
| Synonyms | Comedo nevus |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Blackheads, comedones, cysts, abscesses |
| Complications | Secondary infection, scarring |
| Onset | Birth or early childhood |
| Duration | Chronic |
| Types | N/A |
| Causes | Genetic mutation |
| Risks | Family history |
| Diagnosis | Clinical diagnosis, skin biopsy |
| Differential diagnosis | Acne, epidermal nevus, keratosis pilaris |
| Prevention | N/A |
| Treatment | Topical retinoids, surgical excision, laser therapy |
| Medication | N/A |
| Prognosis | N/A |
| Frequency | Rare |
| Deaths | N/A |
Nevus comedonicus is a rare type of epidermal nevus, a skin condition that is present at birth or appears shortly after. It is characterized by closely arranged, dilated follicular openings with dark keratin plugs resembling comedones.
Signs and Symptoms[edit]
Nevus comedonicus typically presents at birth or during childhood. The condition is characterized by grouped pits filled with black, keratinous debris, similar to comedones. These can be found anywhere on the body, but are most commonly found on the face, neck, and upper trunk. The lesions can be asymptomatic, but may sometimes be associated with mild itching or discomfort.
Causes[edit]
The exact cause of nevus comedonicus is unknown. It is thought to be due to a developmental defect of the hair follicle. The condition is not associated with excess sebum production, unlike acne vulgaris.
Diagnosis[edit]
The diagnosis of nevus comedonicus is primarily clinical, based on the characteristic appearance of the lesions. A skin biopsy may be performed to confirm the diagnosis and rule out other conditions.
Treatment[edit]
Treatment of nevus comedonicus can be challenging and is not always necessary, as the condition is primarily cosmetic. Options may include topical treatments, such as retinoids, as well as surgical options, such as excision or laser therapy.
See Also[edit]
References[edit]
<references />
