Absent cupid's bow

What it means

Lack of paramedian peaks and median notch of the upper lip vermilion.

This bow is often absent in a Thin vermilion of the upper lip, but that should be assessed separately. This finding is commonly associated with Smooth philtrum, but that should be coded separately.

Rare diseases that can present with this3

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: Agenesis of cupid's bow · Aplasia of cupid's bow · Failure of development of cupid's bow · Missing cupid's bow