Proboscis

What it means

A fleshy, tube-like structure usually located in the midline of the face or just to one side of the midline.

A proboscis has a single cavity. It may be found in association with a malformed nose and absence of one or both nares.

Rare diseases that can present with this5

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