Catalog

Nested seborrhoeic keratosis

No MMS code

Link to WHO Definition

Nested seborrhoeic keratosis – http://id.who.int/icd/entity/1796426921

Nested (or clonal) seborrhoeic keratosis is a histopathologically distinct variant of seborrhoeic keratosis characterised by intraepidermal nests of basaloid cells (the Borst-Jadassohn phenomenon).