Commissural lip pit

What it means

A depression located at an oral commissure.

Commissural lip pits have no relationship to other forms of lip pits which may be located on the vermilion of the upper or lower lip, usually paramedian. Rather, commissural pits are located at the corners of the oral aperture.

Rare diseases that can present with this1

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: Commissural labial pits · Commissural pit · Pits at the corners of the lips