NAEOTOM Alpha.Peak/ NAEOTOM Alpha

by Siemens Medical Solutions USA  · Based in United States →CT redefined. The world's first photon-counting CT.
Cardiology Radiology

Contact for pricing
Regulatory Status Disclosed

Overview

The NAEOTOM Alpha.Peak, part of the NAEOTOM Alpha class, is the world’s first commercially available photon-counting computed tomography (CT) scanner, developed by Siemens Healthineers. It represents a significant advancement in medical imaging by directly converting X-rays into electrical signals, allowing for individual photon counting. This revolutionary QuantaMax detector technology eliminates electronic noise and provides intrinsic spectral capabilities, leading to superior image quality. The system delivers high-resolution images with slice thickness down to 0.2 mm, even for patients with high BMI, while significantly reducing radiation dose compared to conventional CT scanners.

NAEOTOM Alpha.Peak integrates advanced AI-powered workflows, including myExam Companion and Recon&GO, to streamline scanning procedures, automate post-processing tasks, and assist radiologists in reading cases. Its Dual Source technology enables unmatched speed with a temporal resolution of 66 ms and scan speeds up to 737 mm/s, crucial for challenging imaging tasks like cardiac scans. This combination of high resolution, low dose, spectral information, and intelligent automation aims to enhance diagnostic confidence, expand patient reach, and provide meaningful answers across various clinical fields.

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Key Features

  • Photon-counting detector (QuantaMax)
  • Dual Source technology (up to 737 mm/s scan speed, 66 ms temporal resolution)
  • Quantum HD cardiac imaging
  • Quantum Spectral Imaging (spectral information in every scan)
  • Quantum Iterative Reconstruction
  • AI-powered workflows (myExam Companion, Recon&GO)
  • Ultra-high spatial resolution (down to 0.2 mm slice thickness)
  • Reduced radiation dose
  • Improved contrast-to-noise ratio
  • Elimination of electronic noise

Use Cases

  • Redefining cardiovascular CT (visualizing small structures, calcifications, stents)
  • Redefining oncology CT (observing tumor development and metastases, characterization)
  • Redefining neurology CT (assessing small anatomical details, stroke, aneurysm, CSF venous fistula)
  • Redefining pulmonology CT (lung follow-up, nodule detection, perfusion data)
  • Pediatric imaging (reduced need for sedation, low dose)
  • Musculoskeletal (MSK) imaging (superior resolution for joints, bones, soft tissue)

What Physicians Need to Know

DICOM Support & Standards
The NAEOTOM Alpha produces CT images in DICOM format. Siemens Healthineers provides comprehensive DICOM Conformance Statements for the NAEOTOM Alpha.
PACS Integration Method
Siemens Healthineers is collaborating with Sectra to integrate NAEOTOM Alpha photon-counting CT (PCCT) images into Sectra's diagnostic application for radiology. This integration allows radiologists to access and post-process Siemens Healthineers' spectral post-processing tools directly within their existing PACS workflow, eliminating the need to switch between different workstations or applications.
Reading Room Workflow Impact
AI and automation features accelerate diagnostic and interventional processes. AI-powered productivity tools, including `myExam Companion`, significantly speed up scanning workflows, offering up to 74% time savings and 87% fewer clicks for abdomen acquisitions, and 82% time savings and 91% fewer clicks for brain acquisitions. `Recon&GO` automates image reconstruction and reduces manual tasks by using AI to recognize patient landmarks and anatomical structures for post-processing. Interactive Spectral Imaging (ISI) allows radiologists to easily switch between spectral views, such as iodine maps, virtual non-contrast (VNC) datasets, and different keV levels, on the fly within Syngo Carbon or other PACS.
AI Model Architecture (deep learning approach)
The system utilizes AI-powered applications and solution algorithms, which have been trained with data from photon-counting CT scanners since 2021. It incorporates `Quantum Iterative Reconstruction (QIR)`, a model-based iterative reconstruction algorithm for spectral data. Deep learning noise reduction is also mentioned in the context of photon-counting detector CT.
Processing Speed (per study)
While specific AI processing speed per study is not quantified, the integrated AI and automation features are designed to accelerate overall workflows, leading to significant time savings in scanning and reading. The NAEOTOM Alpha.Peak scanner itself offers a fast scan speed of up to 737 mm/sec.
FDA Clearance Pathway
The original NAEOTOM Alpha received FDA clearance via the 510(k) premarket clearance pathway in September 2021. The broader NAEOTOM Alpha class, including NAEOTOM Alpha.Pro and NAEOTOM Alpha.Prime, received FDA clearance in March 2025.
Supported Modalities
The NAEOTOM Alpha.Peak/NAEOTOM Alpha is a Photon-Counting Computed Tomography (CT) scanner, and its AI tools are specifically designed for processing CT images.
Sensitivity & Specificity Data
The technology is noted for providing high diagnostic sensitivity and specificity, enabling the detection of small abnormalities and precise characterization. It allows for confident ruling out of obstructive coronary artery disease in more patients, including those with highly calcified coronaries. Over 500 studies have documented the value of Quantum Technology, contributing to conclusive diagnoses and precise tumor characterization.
RSNA/ACR Validation
Siemens Healthineers has prominently showcased the NAEOTOM Alpha class at RSNA events, including its initial launch and the introduction of new systems. Extensive collaboration with clinical partners was undertaken to test and validate the clinical capabilities and use cases of the technology.
Physician Tip

Leverage the AI-powered workflows and intrinsic spectral capabilities of NAEOTOM Alpha for enhanced diagnostic confidence and efficiency. The system's ability to provide high-resolution images at low doses, coupled with spectral information in every scan, can significantly improve the evaluation of complex cases, such as highly calcified coronary arteries, stroke, trauma, and oncology. Utilize `myExam Companion` for streamlined scanning and `Recon&GO` for automated post-processing to reduce manual tasks and inter-operator variability. The interactive spectral imaging tools enable on-the-fly analysis of tissue characteristics, which can be crucial for precise decision-making and potentially expanding the range of patients who can undergo CT examinations without the need for sedation or beta-blockers.

The NAEOTOM Alpha class fully supports DICOM standards for image output. Seamless integration with Picture Archiving and Communication Systems (PACS) is a key focus, with ongoing collaborations (e.g., with Sectra) to allow direct access to Siemens Healthineers' advanced spectral post-processing tools within existing radiology diagnostic applications. This eliminates the need for radiologists to switch to separate workstations or proprietary software for advanced analysis. The system's underlying software, `syngo CT VB10 (SOMARIS/10 syngo CT VB10)`, manages patient data, scan control, image reconstruction, and archiving, ensuring a cohesive workflow.

Details

Category Radiology & Imaging AI
Pricing Contact for pricing
DeploymentOn-premise (hardware)
Compliance
BAA AvailableUnknown AI-estimated
HIPAA Compliant Yes AI-estimated
FDA Status 1 AI-estimated

The NAEOTOM Alpha class CT systems, including NAEOTOM Alpha.Peak, NAEOTOM Alpha.Pro, and NAEOTOM Alpha.Prime, received FDA 510(k) clearance (K243523) on February 12, 2025, as Computed Tomography X-ray Systems.

Integrations
EHR Not specified
Specialties Cardiology, Radiology

What the Web Says

The NAEOTOM Alpha, particularly with its Alpha.Peak iteration, is generally lauded for being the world's first photon-counting CT scanner, offering significant advancements in image quality and dose reduction. Physicians and tech reviewers highlight its potential to revolutionize diagnostic imaging by providing unprecedented detail and quantitative information, especially beneficial for complex cases and vulnerable patient populations. While the technology is cutting-edge and promising, some considerations include the initial investment and the learning curve associated with adopting a new imaging modality.

Overall: Positive

Strengths

  • World's first photon-counting CT scanner, a significant technological leap.
  • Exceptional image quality with higher spatial resolution and improved contrast-to-noise ratio.
  • Substantial dose reduction compared to conventional CT, enhancing patient safety.
  • Improved visualization of small structures and subtle pathologies.
  • Quantitative imaging capabilities, enabling more precise diagnoses and treatment planning.
  • Potential for new clinical applications and earlier disease detection.

Limitations

  • High initial investment cost for the advanced technology.
  • Potential learning curve for radiologists and technologists to fully utilize new features.
  • Limited availability and adoption compared to conventional CT scanners.
  • Data storage and processing requirements may be higher due to increased image detail.
  • Specific maintenance and service requirements for advanced components.
  • Some physicians may find the transition from established workflows challenging.

Based on reviews from: Siemens Healthineers (product information), Radiology Today, AuntMinnie.com, European Society of Radiology (ESR) publications, Journal of Nuclear Medicine, Medical imaging technology reviews

Last updated: 2026-07-19

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Press & Coverage

Imaging Technology News
Siemens Healthineers Gets FDA Nod for Naeotom Alpha Class of Photon-Counting CT Scanners
Siemens Healthineers received FDA clearance for its Naeotom Alpha class of photon-counting CT scanners, which includes the Naeotom Alpha.Pro, Naeotom Alpha.Prime, and the premium Naeotom Alpha.Peak. This expansion aims to broaden the availability of photon-counting CT technology for clinical use, offering more detailed anatomical images with lower radiation doses.
2025-03
Siemens Healthineers Press Room
Siemens Healthineers Receives FDA Clearance for Naeotom Alpha Class of Photon-Counting Computed Tomography Scanners
Siemens Healthineers announced FDA clearance for its Naeotom Alpha class of photon-counting CT scanners, including the Naeotom Alpha.Pro, Naeotom Alpha.Prime (the world's first single-source PCCT), and the Naeotom Alpha.Peak. This clearance expands access to advanced imaging with high resolution and low radiation dose.
2025-03
RAD Magazine
Photon-counting CT family gains two new members - RAD Magazine
Three years after the launch of Naeotom Alpha, Siemens Healthineers introduced the Naeotom Alpha class, adding the dual-source Naeotom Alpha.Pro and the single-source Naeotom Alpha.Prime, with the original system now known as Naeotom Alpha.Peak. The company is investing u20ac80 million to expand photon-counting detector production.
2025-02
AuntMinnie
FDA clears Siemens' Naeotom Alpha class of PCCT scanners - AuntMinnie
The FDA has cleared Siemens Healthineers' Naeotom Alpha class of photon-counting CT scanners, which now includes the Naeotom Alpha.Pro and Naeotom Alpha.Prime, alongside the rebranded Naeotom Alpha.Peak. These scanners offer advanced photon-counting technology for improved image quality and diagnostic capabilities.
2025-03
Diagnostic Imaging
FDA Grants 510(k) Clearance for New Class of Photon-Counting CT Scanners
The FDA has granted 510(k) clearance for the Naeotom Alpha class of photon-counting CT scanners from Siemens Healthineers, which includes the Naeotom Alpha.Prime, the first single-source PCCT scanner, and the Naeotom Alpha.Pro, with the original Naeotom Alpha now called Naeotom Alpha.Peak. These systems aim to reduce scan times and enhance the detection of small abnormalities.
2025-03
Siemens Healthineers Press Room
Siemens Healthineers Expands Photon-Counting CT Portfolio
Siemens Healthineers introduced the Naeotom Alpha class, expanding its photon-counting CT portfolio with the Naeotom Alpha.Pro and Naeotom Alpha.Prime, with the original Naeotom Alpha now designated as Naeotom Alpha.Peak. This expansion aims to make powerful photon-counting technology accessible to more clinicians and patients.
2024-12
Journal of Advanced Health Care (via PMC)
Photon-counting detector CT: early clinical experience review
This review article discusses the early clinical experience with photon-counting detector CT, specifically mentioning the NAEOTOM Alpha (Siemens Healthineers) system. It highlights the ability to obtain high-resolution images at low doses and spectral information in each scan, improving contrast and reducing noise for various clinical applications.
2024-04
Radiology (via PMC)
First Clinical Photon-counting Detector CT System: Technical Evaluation
This technical evaluation of the first clinical photon-counting detector CT system, the Naeotom Alpha from Siemens Healthineers, details its dual-source geometry and 0.25-second gantry rotation time. The study demonstrates high spatial resolution, multienergy imaging capabilities, and significant noise or dose reduction compared to conventional CT systems.
2022-08

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Frequently Asked Questions

NAEOTOM Alpha leverages AI through features like myExam Companion for streamlined workflows and automated patient positioning with the FAST 3D Camera, which helps ensure consistent image acquisition. The AI-powered reconstruction algorithms and advanced visualization tools further improve image resolution, reduce noise, and provide spectral information, aiding in more confident and precise diagnoses with potentially lower radiation doses.
The NAEOTOM Alpha class, including its AI features, has received FDA clearance, indicating it meets stringent safety and efficacy standards for clinical use. While specific details on data privacy for the AI component weren't explicitly detailed in the search, Siemens Healthineers, as a global medical device manufacturer, adheres to comprehensive data privacy regulations like HIPAA and GDPR to protect patient information.
NAEOTOM Alpha's primary differentiator is its foundational photon-counting CT technology, which inherently provides superior image quality, spectral information, and dose efficiency compared to conventional CT systems. Its AI features, such as myExam Companion and Recon&GO, are specifically designed to leverage this unique photon-counting data to optimize workflows and enhance diagnostic insights, offering a distinct advantage.
NAEOTOM Alpha represents a significant capital investment, with pricing varying based on the specific configuration and regional market. Beyond the initial purchase, there are typically recurring software licensing fees for its advanced AI applications and ongoing service contracts, along with potential costs for future software upgrades and enhancements.
Like all AI, NAEOTOM Alpha's algorithms could potentially exhibit biases if trained on non-diverse datasets, which might affect accuracy in specific patient populations or for rare conditions. Physicians should recognize that AI serves as a powerful assistive tool, but it does not replace the necessity of expert clinical judgment and understanding the specific performance characteristics of the algorithms.
NAEOTOM Alpha's AI is designed for seamless integration with existing hospital IT infrastructure, including Picture Archiving and Communication Systems (PACS) and Radiology Information Systems (RIS). It utilizes industry-standard protocols like DICOM for image transfer and has established partnerships, such as with Sectra, to ensure advanced spectral capabilities are accessible directly within radiologists' existing PACS workflows.

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Suggest an Edit → | Last Verified: 2026-04-19 | First Added: 2026-04-19
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