A 50-year-old woman consulted for an enlarging and pruritic lesion on her back.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglajGct3xMoYDZkCA9431TNWdUZOFwv1HuOlRkV69pd6Ikr-ATdKIzyBA-M-OMWDpoDBELzjmlxIFVVcg4f1HsCaojUpcMYbO2cDqHdP1O-oR5YKX__C52O2hA9Jxv3T49YndPW6zny88/s400/Ks+02.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjw_z-jVYNEDsD7xfj2Kaxhp7qzoJ__Hf92xegHRcL_hq8QhZAh4mSb1v5MhdHf2cMyPS31wHXcOTUGLinpARME3aT_ltmfDGfPV-pJCzDYvNfrjg7OlLQ1MW_09h6HkYvGW7iNWZ-pD0o/s400/Ks+03.jpg)
This pigmented lesion was characterized in dermoscopy by:
- absence of pigment network
- sharp demarcation
- presence of milia-like cysts
- comedo-like openings
This dermoscopic presentation was typical of a
seborrheic keratosis.