Abdominal wall mass

What it means

An abnormal enlargement or swelling localized to the abdominal wall (the skin, fascia, and muscle encases the abdominal cavity and viscera). The word mass is usually used at an early stage of the diagnostic workup before the precise nature of the swelling has been determined.

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