Acrochordon in Adult
Acrochordons can also be a feature of the autosomal-dominantly inherited Birt-Hogg-Dubé syndrome. They can also be seen in large numbers in tuberous sclerosis. They are increased in number in acromegaly and are sometimes associated with acanthosis nigricans.
L91.8 – Other hypertrophic disorders of the skin
201091002 – Skin tag
Differential Diagnosis & Pitfalls
- Seborrheic keratoses have a "stuck-on" appearance and are usually hyperpigmented.
- Common warts tend to have a more verrucous or roughened surface.
- Pedunculated neurofibromas usually have a firmer texture.
- In basal cell nevus syndrome, the basal cell carcinomas can be tan to brown and pedunculated, greatly resembling acrochordons.
- Fibroepithelioma of Pinkus may be a polypoid papule or nodule.
- Intradermal melanocytic nevus
- Accessory tragus is most commonly seen in the preauricular region.