Lipohemarthrosis Detection of the Knee

Purpose

To assist radiologists in the detection of an anatomical disturbance of the knee

Tag(s)

 

Panel

Musculoskeletal Panel

Define-AI ID

19050027

Originator

Jay Patti
Lead Jay Patti

Panel Chair

Jay Patti

Panel Reviewers

Musculoskeletal Panel

License

Creative Commons 4.0 

Status Public Commenting 
RadElement Set RDES103
                               

Clinical Implementation


Value Proposition

Lipohemarthrosis of the knee occurs when there has been a fracture of one of the bones of the knee. It occurs because fatty material from inside the central part of the bone spills into the joint space after a fracture. The presence of a lipohemarthrosis often alerts the radiologist to the presence of a fracture when one is not otherwise visible. When a lipohemarthrosis is missed by the radiologist, can result in a delay of care for the patient.

Narrative

A 58 year old woman slips on ice and has knee pain and swelling. While there is no obvious fracture seen on the x-ray, there is significant swelling which can be caused by other things such as ligamentous damage. The AI algorithm detects the presence of a lipohemarthrosis and alerts the radiologist to the finding. This prompts the radiologist to more closely evaluate the radiograph or order a CT to determine the source of the lipohemarthrosis.

Workflow Description

The knee radiograph is processed by the algorithm which is tuned to evaluate for fluid-fluid levels. The engine would send a message to PACS with the coordinates of the suspicious finding and would alert the radiologist if it is present.

Considerations for Dataset Development



Procedures

Lateral Knee radiographs

Age

[5,90]

Sex at birth

{male, female}

Anatomic Location

Knee, either knee

View(s)

{Knee Lateral}

Technical Specifications


Inputs

DICOM Study

Procedure

X-ray Knee

Views

XR Knee Lateral left or right

Data Type

DICOM

Modality

X-ray

Body Region

Lower Extremity

Anatomic Focus

Knee


Outputs


Lipohemarthrosis Detection

RadElement ID

RDE642

Definition

Detection of lipohemarthrosis

Data Type

Categorical

Value Set

  • Absent
  • Present
  • Undetermined

Units

N/A