Abnormal umbilicus morphology

What it means

An abnormality of the structure or appearance of the umbilicus.

The umbilicus is also known as the belly button or the navel.

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: Abnormal navel · Abnormal umbilicus