Author: Dr Ben Tallon, Dermatologist/Dermatopathologist, Tauranga, New Zealand, 2011.
This benignlesion is grouped within the cutaneous cysts
Histology of pigmentedfollicularcyst
Scanning power view demonstrates a unilocular cystic structure within the dermis (Figure 1). Higher power reveals a thin epithelial lining with a retained granular layer (Figures 2 and 3). Within the cyst cavity are loose keratin fragments and numerous pigmented terminal hair shafts (Figures 2 and 3).