Rib Fracture Identification for CT Chest in Emergency Setting

Purpose

Identification and enumeration of rib fractures

Tag(s)

 

Panel

Thoracic Panel

Define-AI ID

19080012

Originator

Jeffrey Robinson
Lead Eric Stern

Panel Chair

Eric Stern

Panel Reviewers

Thoracic Panel

License

Creative Commons 4.0 
Status Public Commenting 
RadElement Set RDES112
                               

Clinical Implementation


Value Proposition


Identification and enumeration of rib fractures is a time consuming and tedious process in trauma radiology. Emergency radiologists would benefit greatly by having an automated process to identify rib fractures and report which ribs are fractured. Such an algorithm would decrease time to report and increase accuracy in reporting of rib fractures. This becomes even more valuable as surgical stabilization of rib fractures becomes increasingly utilized, with surgical selection criteria based on the number and conformation of fractures.

Narrative(s)


75 year old woman is involved in a high-speed motor vehicle crash, suffering blunt chest trauma. There is clinical concern for flail chest and chest CT is performed.

Workflow Description


Image obtained from CT scanner and sent to PACS and the AI engine. Image analyzed by engine. System detects, enumerates, and measures displacement of any rib fractures. An alert message is sent to PACS from the engine with the information, and identification, and graphic highlighting the rib fractures on all imaging planes, including 3D volume rendered imaging.

Considerations for Dataset Development



Procedure(s)

CT chest

View(s)

axial, coronal, sagittal, 3D, other

Sex at birth

Male, Female

Age

varied

Chest Trauma


blunt injury, blast injury, chest wall injury, rib fracture

Comorbidity

underlying malignancy, metastases, metabolic bone disease, osteoporosis, osteopenia, prior healed rib fractures, fused ribs

Chest Tube

With one or more chest tubes/drainage catheters, interval placement, or former tubes

Associated injuries

pneumothorax, hemothorax, lung contusion, lung laceration, aortic injury, mediastinal hematoma, spine fracture

Technical Specifications


Inputs

 

DICOM Study

 

Procedure

CT, Chest

Views

Axial, coronal, sagittal 3D, other

Data Type

DICOM

Modality

CT

Body Region

Chest

Anatomic Focus

Rib



Primary Outputs

  

Rib Fracture Detection

 

RadElement ID

RDE715

Definition

detection of rib fracture

Data Type

Categorical

Value Set

  • Fracture absent
  • Fracture present
  • Unknown

Units

N/A

 

Count of Rib Fractures 

 

RadElement ID

RDE714

Definition

number of rib fractures

Data Type

Numeric

Value Set


Units

rib fractures

  

 

Enumerated Rib(s) with Fracture

RadElement ID

RDE717

Definition

Enumerated rib(s) with fracture

Data Type

Categorical

 

Value Set

 

 

1

2

3

4

5

6

7

8

9

10

11

12

 

Units

N/A

 

Total rib displacement

RadElement ID

RDE713

Definition

Total euclidean displacement of a rib fracture

Data Type

Numeric

Value Set

N/A

Units

mm


Secondary Outputs

  

Associated Complications

 

RadElement ID

RDE716

Definition

presence of complications such as pneumothorax, hemothorax, lung contusion, hematoma, and laceration

Data Type

Categorical

Value Set

  • Complication(s) absent
  • Complication(s) present
  • Unknown

Units

rib fractures