Abnormal scalp morphology

What it means

Any anomaly of the scalp, the skin an subcutaneous tissue of the head on which head hair grows.

The scalp of the head has the following five layers: 1) skin and head hair; 2) connective tissue; 3) the aponeurosis (a layer of dense fibrous tissue); 4) loose areolar connective tissue; and 5) the periosteum of the skull bones.

Rare diseases that can present with this10

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, and Orphanet separately records 5 diseases where this sign is specifically absent. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category

Also called: Anomaly of scalp