Biograph Horizon

by Siemens Healthineers  · Based in Germany → — Advanced PET/CT System for Comprehensive Diagnostic Imaging
Nuclear Medicine Radiology
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Regulatory Status Disclosed

Overview

The Biograph Horizon is a Positron Emission Tomography/Computed Tomography (PET/CT) system developed by Siemens Healthineers. It is an advanced medical imaging platform designed to combine the metabolic and functional information from PET scans with the detailed anatomical information from CT scans during a single imaging session. This system is primarily used for diagnostic imaging in oncology, neurology, and cardiology. It offers features such as high image clarity, low radiation exposure, and rapid scan times to support accurate decision-making and efficient workflows. While the system incorporates AI capabilities to enhance imaging outcomes and streamline operations, it is a medical imaging device and not an AI tool for managing a physician directory.

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Key Features

  • Combines PET and CT scans for comprehensive diagnostic data
  • High image clarity and resolution for enhanced lesion detectability
  • Low radiation exposure and reduced scan duration
  • Fast scan times and rapid image reconstruction
  • Time-of-Flight (TOF) technology for improved image quality
  • LSO-based detectors for rapid scintillation and high light output
  • Automated routine tasks and streamlined workflows
  • Cost-effective operation with low power requirements
  • Intelligent imaging platform (AIDAN) with AI capabilities for workflow optimization
  • Supports a wide range of clinical indications in oncology, neurology, and cardiology

Use Cases

  • Accurate detection, staging, and monitoring of diseases
  • Cancer diagnosis and staging
  • Evaluation of neurological disorders
  • Evaluation of cardiovascular disease
  • Radiotherapy treatment planning
  • Interventional radiology procedures

What Physicians Need to Know

Stroke Detection Support
The Biograph Horizon PET/CT system offers rapid scan and reconstruction times, with image delivery as fast as 30 seconds after acquisition, contributing to timely diagnosis. [2, 5] Its PET FAST Workflow AI automates post-scan tasks, providing physicians with information more quickly for faster interpretation, which indirectly supports efficient stroke care pathways. [6, 27]
Brain CT Analysis with AI
The system combines PET and CT images using advanced software programs. [1] It leverages the AIDAN intelligent imaging platform, which supports AI-based solutions for enhanced lesion detectability and clarity. [1, 3, 6, 7, 23, 27] Features like ALPHA proprietary AI technology automatically detect anatomical structures, while automated tools within syngo.via facilitate instant visualization, pre-fetching, pre-processing, and comparison of diagnostic information. [2, 5, 6, 11]
Neurodegenerative Disease Screening Capabilities
The Biograph Horizon addresses a broad range of clinical indications in neurology, oncology, and cardiology. [2, 3, 4, 5, 9, 11, 14, 15, 17] The AIDAN platform, with its AI-enabled functionality, is designed to provide more precise diagnoses and transform care delivery in neurology, supporting the assessment of neurodegenerative changes through quantitative, accurate, and reproducible information. [23, 27, 31]
Large Vessel Occlusion (LVO) Detection Support
As a PET/CT system, the Biograph Horizon performs CT scans, which are essential for CT angiography (CTA) used in LVO detection. [1, 3, 21] Its AIDAN platform is built to support the demanding processing power of AI-based solutions, making it compatible with AI software designed to enhance LVO detection and improve workflow efficiency in acute ischemic stroke. [3, 6, 7, 12, 13, 21, 23, 27]
Triage Prioritization Speed
The system incorporates built-in capabilities and AI-powered features like PET FAST Workflow AI to automate routine tasks, increase productivity, and streamline workflows. [2, 4, 5, 6, 11, 15, 27] This automation accelerates operational efficiency and provides physicians with information more quickly, thereby supporting faster interpretation and triage prioritization. [23, 27]
ASPECTS Score Automation Support
The Biograph Horizon's CT capabilities provide the necessary imaging for Alberta Stroke Program Early CT Score (ASPECTS) assessment on non-contrast CT. [1, 3, 8, 10, 18] The AIDAN intelligent imaging platform is designed to support AI-based solutions, implying compatibility with automated ASPECTS scoring systems that can enhance diagnostic accuracy and reduce interpretation times in acute stroke care. [3, 6, 7, 18, 23, 27]
Physician Tip

Leverage the Biograph Horizon's rapid acquisition and AI-powered workflow automation (AIDAN, PET FAST Workflow AI) to expedite image processing and access to diagnostic information, particularly in time-sensitive neurological cases. Utilize the high-resolution CT and PET imaging, combined with advanced AI analysis, for comprehensive assessment of neurological conditions and improved lesion detectability. While the system provides the foundational imaging, consider integrating third-party AI applications for specialized tasks like automated LVO detection and ASPECTS scoring to further enhance diagnostic speed and consistency in stroke management.

The Biograph Horizon, through its AIDAN intelligent imaging platform and syngo.via Molecular Imaging Workplace, is designed to support and integrate AI-based solutions. [2, 5, 6, 7, 11, 15, 23, 27, 31] This allows for seamless incorporation of advanced AI algorithms for image processing, workflow optimization, and potentially specialized neuroimaging analysis from Siemens Healthineers or compatible third-party vendors. The system's architecture supports the demanding processing power required for these AI applications, facilitating automated pre-fetching, pre-processing, and display of findings.

Details

Category Neurology AI, Oncology AI, Radiology & Imaging AI
Pricing Contact vendor for pricing — Not applicable; capital equipment purchase.
DeploymentOn-premise (physical medical equipment)
Compliance
BAA AvailableUnknown AI-estimated
HIPAA CompliantUnknown AI-estimated
FDA Status Yes AI-estimated

The Biograph Horizon PET/CT systems received FDA 510(k) clearance (K193178) on February 12, 2020. It is cleared as a combined multi-slice X-Ray Computed Tomography and Positron Emission Tomography scanner for whole-body oncology, neurology, and cardiology examinations.
Integrations
EHR Not specified
Specialties Nuclear Medicine, Radiology

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Press & Coverage

Siemens Healthineers
FDA Clears AIDAN Artificial Intelligence for Siemens Healthineers Biograph PET/CT Portfolio
Siemens Healthineers received FDA clearance for its AIDAN artificial intelligence technologies on the Biograph family of PET/CT systems, including the Biograph Horizon. AIDAN introduces features like FlowMotion AI, OncoFreeze AI, PET FAST Workflow AI, and Multiparametric PET Suite AI to enhance workflows and image quality.
2020-04
Journal of Clinical Medicine (MDPI)
Clinical Meaningfulness of an Algorithm-Based Service for Analyzing Treatment Response in Patients with Metastatic Cancer Using FDG PET/CT
This study, published in the Journal of Clinical Medicine, evaluated the usefulness of an algorithm-based service for analyzing treatment response in metastatic cancer patients using FDG PET/CT, with some scans acquired on Siemens Healthineers Biograph Horizon. The analysis was found to be useful by oncologists for systemic therapy decisions, targeted therapy decisions, spatial location information, and patient education.
2024-10
EJNMMI Physics (PMC)
PET/CT acquisition and processing protocols in the Netherlands
A survey of PET/CT acquisition and processing protocols in the Netherlands included data from 58 different PET/CT scanners, among them the Siemens Biograph Horizon. The study gathered information on injected activity, uptake time, radiation dose, and reconstruction settings.
2025-06
Siemens Healthineers USA
A turning point in medicine: the invention of PET/CT
This article from Siemens Healthineers highlights the evolution of PET/CT technology, mentioning the Biograph Horizon as a system that offers high-resolution imaging, advanced PET and CT technologies, and AI-powered workflows. It notes the system's compact design and simplified operations enable broader access to high-quality care.
2025-11
MDPI
Clinical Robustness of FDG-PET/CT Quantitative Metrics Post-Harmonization in a Multicenter, Cross-Scanner Setting
This peer-reviewed article discusses the clinical robustness of FDG-PET/CT quantitative metrics after harmonization across multiple scanner types, including the Biograph Horizon. The study aimed to reduce inter-scanner variability and enable more reproducible prognostic analyses.
2026-07
FDA
Class 2 Device Recall Biograph Horizon - accessdata.fda.gov
A Class 2 Device Recall was issued for the Biograph Horizon PET/CT system concerning the replacement of a 70 amp CT circuit breaker with a 60 amp CT circuit breaker within the PDCC cabinet. This regulatory announcement details the affected product, the problem, and the actions to be taken.
2026-06

Videos

Product demos, reviews, and walkthroughs for Biograph Horizon.

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Frequently Asked Questions

The Biograph Horizon integrates AIDAN artificial intelligence technologies, such as FlowMotion AI and OncoFreeze AI, to enhance image reconstruction, reduce scan times, and improve lesion detectability by minimizing motion artifacts. Additionally, PET FAST Workflow AI automates post-scan tasks, streamlining the overall workflow and providing faster access to PACS-ready data.
The Biograph Horizon PET/CT system, including its AIDAN artificial intelligence technologies, has received FDA 510(k) clearance for specific clinical indications. Physicians should verify the specific clearances for each AI-powered application to ensure compliant use in diagnostic reporting and patient care, as these clearances confirm the system's safety and effectiveness for its intended use.
While advanced, AI algorithms can have limitations related to their training data, potentially leading to reduced performance in atypical cases or specific patient populations. Physicians must maintain clinical oversight, understand the AI's intended use, and integrate AI insights with their expertise and other clinical data to mitigate potential biases or errors.
Biograph Horizon systems are designed with robust cybersecurity features, including syngo Security and Windows 10, to comply with regulations like HIPAA and protect against cyber threats. Patient data processed by the AI typically remains within the secure hospital network or is anonymized/de-identified if shared for updates or analysis, ensuring patient privacy.
Biograph Horizon's AI features, such as FlowMotion AI and OncoFreeze AI, aim to offer advantages in efficiency, image quality, and quantitative accuracy compared to traditional PET/CT systems by automating tasks and personalizing scans. When evaluating alternatives, physicians should consider specific AI functionalities, their clinical validation, integration with existing workflows, and the overall cost-benefit analysis against other advanced imaging solutions.
The pricing model for AI features on Biograph Horizon can vary; some functionalities are integrated into the base system, while others might be offered as optional software packages or subscriptions. Physicians should clarify with Siemens Healthineers whether specific AI applications incur additional upfront costs or recurring fees, as the system is positioned as offering premium performance at an attractive investment level.
Siemens Healthineers typically provides documentation and clinical studies validating the performance of their AI algorithms in Biograph Horizon, often through peer-reviewed publications and vendor-provided data. Physicians should seek out this evidence to understand the AI's accuracy, precision, and impact on clinical outcomes, ensuring transparency in its application.

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Suggest an Edit → | Last Verified: 2026-04-20 | First Added: 2026-04-20
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