Mammography digital systems machine comparison
MAMMOGRAPHY MACHINE COMPARISON CHART
Digital Systems: GE Senographe Essential vs. Hologic Selenia S
| Model | > Senographe Essential | > Selenia S |
| Company | GE Healthcare | Hologic, Inc. |
| FDA Clearance | 2005 | YES |
| Generator Type | High frequency single-phase power supply; 5 kW | Constant potential, high-frequency inverter type |
| kV Range | 22-49 KVp in 1KVp increments | 22-39 KV in 1 KV increments |
| mAs Range | 4-500 mAs | 3-400 mAs |
| mA Range | 30-100 | 10-100 large focus only |
| Time Range, Sec. | 0.04 – 6s | 0.1 – 4 s |
| AEC Detector | Fully automated with dose, standard & contrast modes | 2-cell, fully automatic or 7-position photocell placement |
| Parameters Controlled | Track, filter, kV, mAs | Manual, auto-time, auto-kV, auto-filter |
| >>DIGITAL DETECTOR | ||
| Type (CCD, aSi, aSe) | CsI | TFT-based amorphous selenium (aSe) direct-capture technology |
| Spatial Resolution | 5 lpmm detector DQE; DQE values: 70% at 0lpmm, 61% at 2.0lpmm, 24% at 5.0lpmm | 7.1 cycles mm |
| Matrix, Pixels | Large FOV = 2,394 x 3,062; image is ~ 14.8 MB Standard FOV = 1,914 x 2,294; image is ~ 8.8 MB | 2,560 x 3,328 and 3,328 x 2,560 at 70 microns |
| Standard Size | 100 microns | 2,560 x 3,328 and 3,328 x 2,560 at 70 microns |
| High-resolution Size | 67 microns at a 1.5x magnification; 56 microns at a magnification of 1.8x | 2,560 x 3,328 at 70 microns |
| Imaging Area | 24 x 31 cm | 24 x 29 cm, single plate |
| Standard Size, cm (imaging area) | NS | 24 x 29 large FOV;
18 x 24 small FOV; standard |
| High-resolution Size, cm (imaging area) | NS | NA |
| Additional Features (space permitting) | NS | Integrated high transmission cellular (HTC) grid automatically retracts for geometric magnification views; Smart paddle system; FAST paddles, fully automatic collimation |
| >>ACQUISITION WORKSTATION | ||
| Workstation | NS | Included |
| Monitor Size, Inches | Customer choice: 1MP or 3MP | 21’’ monochrome, high brightness 2MP flat-panel |
| Hard Disk Capacity | 250 GB | 250 GB standard |
| Memory | NS | 4GB |
| Networking Capabilities | YES | 10 100 1,000 Base-T, Ethernet network interface |
| Gray Levels | YES | 8-bit grayscale display |
| DICOM 3.0 Compliant | YES | Conformant |
| Additional Features | Automated QA QC program, including repeat-reject analysis; integrated tissue equalization, premium view and premium view enhanced | Integrated X-ray control and image acquisition console, integrated radiation shield (except mobile configuration), on-demand Reject Analysis Report, local storage for ~ 6,000 images, Cenova ImageChecker Digital CAD |
| >>REVIEW WORKSTATION | ||
| Workstation | Optional IDI workflow solution; customizable for user needs | SecurView DX diagnostic; advanced workflow manager; SecurView RT; image analysis tools (ImageChecker CAD & Quantra) |
| Monitor Size, Inches | NS | High-contrast 5 MP LCD display w/ built-in auto calibration & 10-bit graphics card or standard dual 5 MP LCD, 8-bit graphics card & external sensor for calibration |
| Hard Disk Capacity | NS | 1.7 TB in RAID 5 |
| Memory | NS | 6 GB high-speed RAM minimum |
| Networking Capabilities | NS | 10 100 1,000 Base-T Ethernet network interface |
| >>ARCHIVE STORAGE | ||
| Type/Capacity | NS | NS |
| Gray Levels | NS | 10-bit grayscale display |
| DICOM 3.0 Compliant | NS | Query retrieve, print, storage, media export import |
| Additional Features | The IDI workflow solution has been designed to reduce radiologist review compromises and tailor workflow to the individual | Options: Custom workflow keypad, advanced multimodality, application synchronization, barcode scanner, DX manager |
| >>X-RAY TUBE | ||
| Anode Type | Dual anode (Rhodium Molybdenum) | Rotating tungsten |
| Heat Capacity, HU | 340 | 300,000 |
| Heat Dissipation Rate, HU Min. | 40 | 60,000 |
| Target Filter Combinations | Mo Mo, Mo Rh, Rh Mo, Rh Rh | Tungsten with rhodium and silver filters |
| Focal Spot Size, mm | NS | 0.3 (large) |
| >>POSITIONING ASSEMBLY | ||
| Collimation | NS | Automatic or user-selectable |
| 18 x 24 cm | 19 x 23 cm chosen with paddle selection | YES |
| 24 x 30 cm | 24 x 31 cm chosen with paddle selection | YES |
| Movement Locks | YES | Electromagnetic; fail-safe |
| >> ASSEMBLY MOVEMENT | ||
| Rotation, Degrees | -165 to 185 | 195 to -150 |
| Vertical, cm | 65 – 150 | 67 – 140 (26.5-55 inches) |
| SID, cm | 66 | 66 |
| Scale Guide | NS | Digital display on both sides of compression device |
| Hand Switch | 4 sets of hand buttons, 2 footswitches | Yes, on both sides of device |
| >> RADIATION OUTPUT | ||
| mR Sec. @ 28 kVp | NS | Molybdenum > 800; Tungsten > 230 |
| >>RADIATION SHIELD | ||
| L x W, cm | 71 cm wide, eff height 1.9 m | Included: 189.2 x 107 (74.5 x 42.1 inches); not provided for mobile configuration |
| Thickness | Pb equivalent: 0.5mm | 6 mm tempered glass, 0.5 mm leaded glass equivalent |
| Compression System | Programmable, w/ auto release | Smart paddle system controls the movement of the automatic exposure control (AEC) position and automatic collimator function; Integrated FAST paddle tech |
| Force, Newtons | Motor driven: 20 daN; manual: 27daN | 178 N maximum, motorized; 300 N maximum, manual |
| Grid Ratio | 0.209027778 | 4:1; exclusive HTC grid |
| Bucky | Ergonomic carbon fiber breast support with < 5 mm support detector edge distance | Sealed; auto-retracting HTC grid |
| Magnification Device | Available with diagnostic configuration: 1.5 and 1.8 | 1.8x mag platform |
| Stereotactic Device | Optional; available, integrated stereotactic device, stores conveniently | NA |
| Film ID System | NA | Included in the print function |
| Label Printer | NA | NA |
| Power Requirements | Input frequency: 50 Hz 60 Hz; input voltage: single-phase 200 208 220 240V | AWS: 100 120 200 208 220 230 240 VAC; gantry: 200 208 220 230 240 VAC nominal 10%, 5060 Hz 5% permanently wired; single-phase |
| H x W x D, cm (inches) | Gantry: 193 x 63 x 127; modular generator: 133 x 43.6 x 64; operator console: 222 x 70.8 x 39.5 | Gantry: 190 x 65 x 110 (75 x 26 x 43); acquisition station: 203 x 107 x 76 (80 x 42 x 30) |
| Weight, kg (lb) | NS | Gantry: 300 (661); AWS: 120 (265) |
| Warranty | 1 year full system | 1 year parts and labor; 2 year prorated manufacturers warranty on X-ray tube |
| Optional Accessories | Accessories focused on technologist and patient ergonomics and site convenience. Applications include integrated stereo with a lateral approach and SenoBright(contrast-enhanced spectral mammography) | NA; may be upgraded to include diagnostic imaging; diagnostic paddle package included with upgrade |
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Posted by:
John Brant “JB”
Mammography Specialist
407.438.7847 ext.1016
john@amberusa.com
