Epidermal acanthosis is minimal. Part of a sebaceous unit that would be of normal size in an adult is in the extreme right side of the picture. Low power view of above. This is a markedly malformed pilosebaceous unit. The sebaceous units are small rather than hyperplastic.
Sebaceous hyperplasia is somewhat dependent on hormones and is prone to appear at puberty.
It may be present at birth secondary to maternal hormones. Click on your browser's 'Back' button to return to the previous page.