A 54 year old woman was referred with a new solitary asymptomatic lesion on her back. What is the diagnosis?
Dermoscopy - Introduction, Terminology and Structures
A document to help you understand the dermoscopic descriptions used in this blog.
Dermoscopy Algorithm
To help you work through dermoscopic cases.
Dermoscopically there are no features of a melanocytic lesion. The main features seen are scattered brown grainy clods (black arrows) consistent with a seborrhoeic keratosis. As you see from the dermoscopic algorithm the clods in a SK tend to be more scattered and grainy, whereas those in melanocytic lesion are more grouped and often appear smooth rather than grainy.
