syngo.CT Brain Hemorrhage
Overview
syngo.CT Brain Hemorrhage is an advanced AI-powered software solution developed by Siemens Medical Solutions USA, designed to assist radiologists in the rapid identification and prioritization of suspected intracranial hemorrhage (ICH) and subarachnoid hemorrhage (SAH) on non-contrast head CT examinations.
This image-processing software utilizes artificial intelligence algorithms to analyze CT images and flag cases for earlier review, thereby improving workflow efficiency in emergency settings. It operates as a notification-only tool, making case-level output available to a CT scanner or other PACS system for worklist prioritization. It is important to note that the output is intended for informational purposes only and is not for diagnostic use; the device does not alter the original medical image and is not intended to be used as a standalone diagnostic device.
Additionally, a related application, syngo.CT DE Brain Hemorrhage, leverages dual-energy CT to generate virtual non-contrast images from contrast-enhanced scans, potentially avoiding the need for a separate unenhanced CT scan. This functionality aids in the visualization of iodine concentration and distribution in the brain, helping to differentiate hemorrhage from iodine uptaking lesions or post-interventional bleeding from transient iodine uptake.
Reviewed by Pouyan Golshani, MD — Interventional Radiologist
Key Features
- AI-powered detection of acute intracranial hemorrhage (ICH) and subarachnoid hemorrhage (SAH)
- Prioritization of CT scans for urgent review in radiology workflow
- Generates virtual non-contrast images from contrast-enhanced dual energy scans (syngo.CT DE Brain Hemorrhage)
- Aids in differentiation of hemorrhage and iodine uptaking lesions (syngo.CT DE Brain Hemorrhage)
- Supports analysis of DICOM images from Siemens and other vendors
- Compatible with SOMARIS-X and syngo.via platforms
- Notification-only tool; does not alter original medical images
- High sensitivity (95.0% for ICH, 86.1% for SAH) and specificity (93.1% for ICH, 85.2% for SAH)
- Average processing time of 13.34 seconds per case
Use Cases
- Accelerating workflow for radiologists in emergency departments
- Assisting in the rapid identification of acute intracranial and subarachnoid hemorrhages
- Prioritizing cases of suspected brain hemorrhage for earlier clinical review
- Reducing the need for additional non-contrast CT scans by creating virtual non-contrast images from dual-energy data
- Differentiating post-interventional bleeding from transient iodine uptake in neuro-interventional procedures
What Physicians Need to Know
Leverage the virtual non-contrast images from dual-energy CT to potentially reduce the need for additional scans and associated radiation dose. Utilize the AI's high sensitivity and negative predictive value for intracranial hemorrhage to confidently rule out hemorrhage in many cases and prioritize those with suspected bleeding. Be aware that the tool aids in differentiating hemorrhage from iodine-uptaking lesions, which is crucial for accurate diagnosis. Integrate the AI's prioritization capabilities into your workflow to manage high volumes and ensure timely review of critical cases. Remember that the AI output is for informational purposes and triage, not for standalone diagnostic use, and radiologist confirmation is still required.
syngo.CT Brain Hemorrhage integrates with Siemens Healthineers CT scanners (e.g., SOMATOM Edge eco, SOMATOM Definition Edge) and syngo.via software (VA11 or higher, VA20B, VA30, VB40, VB60). It provides case-level output to CT scanners or PACS systems for worklist prioritization. The tool is part of the broader 'CT Neuro Engine' which offers a comprehensive diagnostic stroke solution and can be used in conjunction with other syngo.CT applications for an integrated workflow.
Details
| Category | Neurology AI, Radiology & Imaging AI |
| Pricing |
Contact vendor
|
| Deployment | On-premise, integrated with CT scanners and PACS/syngo.via systems. |
| Compliance | |
| BAA Available | Unknown AI-estimated |
| HIPAA Compliant | Unknown AI-estimated |
| FDA Status |
1 AI-estimated Cleared by the FDA under K232431 on March 22, 2024, as an AI-powered radiological computer-assisted triage and notification software for suspected intracranial and subarachnoid hemorrhages on non-contrast head CT examinations. |
| Integrations | |
| EHR | Not specified |
| Specialties | Emergency Medicine, Neurology, Radiology |
What the Web Says
syngo.CT Brain Hemorrhage is a deep learning AI software developed by Siemens Healthineers designed to assist radiologists in detecting and prioritizing cases of suspected intracranial hemorrhage (ICH) on non-contrast CT scans. It has demonstrated high diagnostic performance, with studies showing strong accuracy, sensitivity, and negative predictive value for ICH detection. The software aims to augment clinical workflow, reduce errors, and prioritize clinically relevant cases, especially in high-volume or understaffed settings.
Overall: PositiveStrengths
- High diagnostic performance for ICH detection, with reported sensitivity rates of 93.6% to 98.1% and specificity rates of 89.7% to 96.2%.
- Excellent negative predictive value (NPV) of up to 99.7%, indicating high reliability in ruling out hemorrhage.
- Ability to detect ICH cases missed in initial radiologist review, improving accuracy and reducing errors.
- Potential for workload reduction and prioritization of clinically relevant cases, particularly in busy environments.
- Fast processing time, making it a valuable triage tool.
- Accurate identification of various intracranial hemorrhage subtypes, including intraparenchymal, epidural, subarachnoid, and intraventricular hemorrhage.
Limitations
- The device is intended for informational purposes only and not for standalone diagnostic use.
- Its use should be limited to CT scans acquired on General Electric (GE) or its subsidiaries (e.g., GE Healthcare) equipment; use with CT scans from other manufacturers has not been validated or recommended.
- Some studies show a lower positive predictive value (PPV), with one study reporting 39 false positives out of 52 positive cases.
- Lower sensitivity and specificity for subarachnoid hemorrhage (SAH) compared to overall ICH detection in some analyses.
Based on reviews from: Insights into Imaging, Innolitics, PMC (PubMed Central), Stroke: Vascular and Interventional Neurology, American College of Radiology, MDPI, ResearchGate, IntuitionLabs, Diagnostic Imaging
Last updated: 2026-07-19
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ISCT 2014: Brain Perfusion - Dr. Prokop
