Protrusio acetabuli

What it means

Intrapelvic bulging of the medial acetabular wall.

Protrusion of the acetabulum, which is the socket that together with the head of the femur forms the hip joint. The protrusion is the result of increased depth of the socket and results in medial displacement of the femoral head.

Rare diseases that can present with this7

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: Acetabular protrusion · Protrusio acetabulae