Abnormal capillary morphology

What it means

A structural anomaly of the tiny blood vessels that connect arterioles with venules and whose walls act as semipermeable membranes that mediate the diffusion of fluids and gases between the blood circulation and body tissues.

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