Papulosa nigra dermatosisL82
HistoryThis section has been translated automatically.
DefinitionThis section has been translated automatically.
Common in African and Asian populations, rare in Caucasian populations, familial dermatosis with asymptomatic, deep brown or blackish-brown, approximately 0.2-0.3 cm, flat papules on the eyelids, cheeks, forehead, neck, and décolleté.
Occurrence/EpidemiologyThis section has been translated automatically.
Often in the coloured population (up to 35%). Gynecotropia.
EtiopathogenesisThis section has been translated automatically.
ManifestationThis section has been translated automatically.
Start after puberty. Average first manifestation between 30 and 40 years. Occasionally already in childhood.
Clinical featuresThis section has been translated automatically.
0.1-0.2 cm large, hyperpigmented, flat raised, round or oval, partly also elongated, soft surface-smooth or slightly sloppy papules or plaques.
HistologyThis section has been translated automatically.
Picture of pigmented Verruca seborrhoica of the acanthotic rarely reticular type. Horn cysts and pseudohorn cysts are regularly found.
Differential diagnosisThis section has been translated automatically.
TherapyThis section has been translated automatically.
Cave! Tendency to hypopigmentation and keloids!
LiteratureThis section has been translated automatically.
Bruscino N et al (2014) Dermatosis Papulosa Nigra and 10,600-nm CO2 laser, a good choice. J Cosmet Laser Ther 16:114-116
Calcaterra R et al (2010) Clinical features and treatment of dermatosis papulosa nigra in migrants to Italy. Skinmed 8: 207-209
- Castellani A (1925) Observations on some diseases of central America. J Trop Med Hyg 28: 1-14
- Dunwell P et al (2003) Study of the skin disease spectrum occurring in an Afro-Caribbean population. Int J Dermatol 42: 287-289
- Mayser P et al (1993) Dermatosis papulosa nigra. Z Hautkr 68: 659-660