Metri Scan

• Technique: RA with storage phosphor technology

• Skeletal application(s): Middle phalanges of the index, long, and ring fingers

Estimated phalangeal BMD in arbitrary RA units Percent young-adult and percent age-matched comparisons T-score and z-score

Diagnostic classification based on WHO Criteria

• Radiation exposure: 0.0001 mrem/scan (0.001 ^Sv/scan)

• Dimensions: 16 x 16 x 16 in (40.6 x 40.6 x 40.6 cm)

• Environmental operating temperature: 64°F to 95°F (18° to 35°C)

• Environmental operating humidity: 5 to 80%, noncondensing

• Scatter radiation: 0.0001 mrem/scan (0.001 ^Sv/scan) at 1 m

• Quality control: Automated

Fig. 13-3. The Alara MetriScan™. This is a self-contained X-ray unit used to perform radiographic absorptiometry of the phalanges. Photograph courtesy of Alara Inc., Hayward, CA.

• Operation: Unit is self-contained and does not require a standard hand film. Data input from keypad on unit. Separate HP DeskJet 697C or 710C printer or printer as specified by Alara, Inc. for results output.

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