Urticarial plaque

What it means

A well-circumscribed, intensely pruritic, raised wheal (edema of the superficial skin) typically 1 to 2 cm in diameter.

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