Hypergranulosis

What it means

Hypergranulosis is an increased thickness of the stratum granulosum.

Note that the epidermis includes five main layers: the stratum corneum, stratum lucidium, stratum granulosum, stratum spinosum, and stratum germinativum. This term refers to thickening that primarily affects the stratum granulosum.

Rare diseases that can present with this6

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category