Narrow nasal base

What it means

Decreased distance between the attachments of the alae nasi to the face.

There is a marked difference in width of the nasal base depending on ethnic background.

Rare diseases that can present with this2

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

Also called: Decreased width of nasal base · Narrow base of nose · Thin base of nose · Thin nasal base