Hologic Dimensions 2D Mammography System

System Overview

The Hologic Dimensions 2D is a full-field digital mammography (FFDM) system built on Hologic's proven Selenia Dimensions platform, delivering exceptional 2D breast imaging using the same advanced hardware architecture found across the entire Dimensions lineup. At its core is the 24 x 29 cm direct-capture amorphous selenium (a-Se) flat-panel detector that has become the gold standard in mammographic image acquisition, providing sharp, high-contrast images with excellent spatial resolution for detecting microcalcifications, masses, and subtle architectural distortions.

Unlike older Hologic Selenia systems that used the legacy gantry design with molybdenum/rhodium (Mo/Rh) target combinations, the Dimensions 2D is built on the modern Dimensions architecture featuring the same gantry, tungsten-target X-ray tube, compact 70 cm SID tube head, and FAST Paddle compression system used across all Dimensions configurations. This means facilities acquiring the Dimensions 2D get the full benefit of Hologic's latest mechanical and imaging platform without the premium cost associated with 3D tomosynthesis capability.

The Dimensions 2D is designed for facilities that need high-quality 2D digital mammography today with the flexibility to add 3D tomosynthesis in the future. Whether you are replacing an aging analog or CR-based mammography system, upgrading from a legacy Selenia, or equipping a new breast imaging suite, the Dimensions 2D provides a modern, future-proof foundation for your mammography program. The system is FDA cleared for screening and diagnostic mammography and meets all MQSA equipment requirements.

Technical Specifications

Key Features

Direct-Capture Amorphous Selenium Detector

The Dimensions 2D uses Hologic's direct-capture a-Se detector technology, which converts X-ray photons directly into electrical signals without the intermediate scintillator conversion step required by indirect-capture detectors (such as cesium iodide systems used by GE and Siemens). This direct conversion process preserves spatial resolution at the detector level, producing sharper mammographic images with less electronic noise and scatter. The result is superior visualization of fine microcalcifications, spiculated masses, and subtle tissue density changes that are critical for early breast cancer detection.

FAST Paddle Compression System

The FAST (Fully Automatic Self-adjusting Tilt) Paddle is standard on the Dimensions 2D. This Hologic-exclusive compression technology automatically adjusts the paddle angle to follow the natural contour of the chest wall, distributing compression force more evenly across the breast tissue. The FAST Paddle improves tissue visualization near the chest wall, reduces the number of repositioning attempts, and improves patient comfort compared to conventional rigid flat paddles. Motorized compression from 0 to 200 Newtons provides precise, reproducible force control.

Compact 70 cm SID Tube Head

The streamlined tube head design with a 70 cm source-to-image distance provides generous clearance for patient positioning. The compact geometry gives technologists more working space around the patient during the examination, improving workflow ergonomics and reducing positioning time in high-volume screening environments.

Streamlined Acquisition Workflow

The Dimensions 2D acquisition workstation features an intuitive touchscreen interface that streamlines the mammography workflow from patient check-in through image review and PACS transfer. Automated exposure control, integrated quality assurance tools, and DICOM 3.0 connectivity ensure efficient integration into existing departmental workflows.

Upgrade Path to 3D Tomosynthesis

One of the most compelling advantages of choosing the Dimensions 2D over legacy mammography platforms is the built-in upgrade path to 3D tomosynthesis. Because the Dimensions 2D shares the same gantry, detector, and tube hardware as all other Dimensions configurations, facilities can add 3D tomosynthesis capability through a field upgrade that includes the tomosynthesis acquisition software, reconstruction algorithms, and C-View synthesized 2D technology.

The C-View synthesized 2D capability generates a diagnostic-quality 2D image from the 3D tomosynthesis dataset, eliminating the need for a separate 2D acquisition and reducing total breast dose by approximately 45%. This upgrade path makes the Dimensions 2D a smart strategic investment for facilities that want to start with 2D mammography today and add 3D capability when their clinical needs or budget allow, without the cost and disruption of replacing the entire system.

Contact ARRAD for an assessment of upgrade eligibility and pricing for your specific Dimensions 2D system. Upgrade availability depends on system revision, hardware configuration, and current software version.

Pricing and Acquisition Options

• New systems: Approximately $180,000 to $200,000 depending on included accessories, software options, and installation scope.
• Refurbished systems: Approximately $35,000 to $60,000 depending on system age, detector condition, tube hours, and software version.

The Dimensions 2D offers the most affordable entry point into the modern Dimensions platform. Refurbished units provide exceptional value for facilities that need proven Hologic image quality at a fraction of new equipment pricing. ARRAD accepts trade-ins on existing mammography equipment and can provide a valuation for your current system toward the purchase of a Dimensions 2D.

Dimensions 2D vs Legacy Selenia 2D

Facilities considering a 2D mammography purchase often compare the Dimensions 2D to the older Hologic Selenia (sometimes referred to as the Selenia 800T or Selenia S). While both systems deliver high-quality 2D mammographic imaging, they are built on fundamentally different platforms:

The Dimensions 2D is the clear choice for any facility making a new 2D mammography investment. The modern platform, tungsten target for lower dose at equivalent image quality, FAST Paddle for improved patient comfort and chest wall coverage, and the upgrade path to 3D tomosynthesis make the Dimensions 2D a superior long-term value compared to the legacy Selenia, which cannot be upgraded to 3D and is approaching end-of-support status for parts and service.

How ARRAD Supports Your Hologic Dimensions 2D

ARRAD provides comprehensive lifecycle support for the Hologic Dimensions 2D mammography system:

• New and refurbished sales: We carry both new and professionally refurbished Dimensions 2D systems. Every refurbished unit undergoes rigorous quality assurance including detector calibration, tube output verification, compression force testing, mechanical inspection, and software validation.
• MQSA compliance: ARRAD coordinates medical physicist acceptance testing, provides MQSA compliance documentation, and supports your facility through the ACR accreditation process. Every mammography system we sell is delivered ready for regulatory inspection.
• Installation and site planning: Our team manages the entire installation process including delivery, assembly, calibration, PACS integration, and physicist acceptance testing. We provide site planning guidance for electrical, shielding, and HVAC requirements.
• 24/7 nationwide service: Factory-trained technicians provide around-the-clock technical support with remote diagnostics and rapid on-site response when needed.
• OEM parts: Replacement parts for Hologic Dimensions systems including tubes, detectors, paddles, and electronic components are available through our partner site, radmedparts.com.

Contact ARRAD at 877.299.8303 or request a quote online for Dimensions 2D availability, pricing, and installation planning.

Frequently Asked Questions