Radiology glossary

What does "fracture" mean on your scan?

Part of: Shoulder findings, explained

Full explainer: Fracture — What It Means on Your Report

A bone appears to be broken or cracked.

In plain English: a broken bone.

What it means on CT

CT gives a detailed three-dimensional view of a fracture: exactly how the pieces sit, how many fragments there are, whether a joint surface is disrupted, and the precise measurements surgeons need for planning. It is the standard test for complex breaks — the wrist, ankle, shoulder, pelvis, and spine — where overlapping bones hide detail on X-ray. Three-dimensional reconstructions let the surgical team visualize the puzzle before operating. For straightforward fractures, CT is unnecessary; for complex ones, it is indispensable.

What radiologists look at next

For a fracture, the radiologist systematically documents the blueprint: which bone and exactly where along it, the fracture pattern and direction, whether the fragments are displaced and by how much, any rotation or shortening, whether the break enters a joint surface, and whether fragments threaten nearby nerves, vessels, or skin. They check for additional fractures — injuries often come in pairs — and assess the surrounding soft tissues for bleeding or damage. On follow-up studies they look for the signs of healing: blurring of the fracture line, bridging callus, and maintained alignment. Each detail is treatment-relevant, which is why fracture reports are among the most precise in radiology.

Where it commonly shows up

• clavicle
• humerus
• shoulder
• wrist
• ankle

Questions to ask your doctor

• How should the fracture at the affected area be treated?
• Is the fracture displaced, and what does that mean for healing?
• Does the break involve the joint surface?
• Will I need a cast, a sling, or surgery?
• How long does healing usually take, and when is the next X-ray?

Common questions

What is the difference between a fracture and a break?

Nothing — they are the same thing. “Fracture” is simply the medical word for a broken bone, whether it is a hairline crack or a complete break into pieces. The report will describe the pattern, location, and alignment — the details that actually determine treatment.

What does “nondisplaced” mean?

It means the bone is cracked but the pieces have stayed in their normal position — which is generally good news, since aligned bones heal more predictably and often need only immobilization. “Displaced” means the pieces have shifted, which sometimes must be put back in place, occasionally with surgery. Your doctor will explain which applies to you.

Why do I need a follow-up X-ray?

Follow-up images check that the bone is healing in good alignment, that any cast, splint, or hardware is doing its job, and that healing is progressing on schedule. Bone heals slowly — the first follow-up is often in one to two weeks — so the timing reflects biology, not bureaucracy. Ask what your doctor is looking for at each visit.

What is a stress fracture?

It is a tiny crack caused by repeated loading rather than a single injury — common in runners and military recruits, typically in the foot, shin, or hip. Stress fractures are often invisible on early X-rays and are usually diagnosed on MRI, which shows the bone's stress reaction. They are treated with rest from the offending activity rather than casting in most cases.

Related conditions

• Rotator Cuff Tear — What It Means on Your Report
• Edema — What It Means on Your Report
• Joint Effusion — What It Means on Your Report