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  • Title: Evaluation of mammographic screen-film systems.
    Author: Arnold BA, Webster EW, Kalisher L.
    Journal: Radiology; 1978 Oct; 129(1):179-85. PubMed ID: 693873.
    Abstract:
    Four screen-film systems were evaluated for their imaging properties in mammography, Modulation-transfer functions were measured at 40 kVp. Absolute screen-film sensitivities in mR and entrance exposures were measured with tungsten and molybdenum target tubes. Five radiologists viewed radiographs of a phantom containing microgranules of SiC ranging in diameter from 590 to 120 micrometer. The Rarex-B screen--composed of yttrium oxysulfide--performed best, allowing phantom radiographs at 185 mR with image quality sufficient to demonstrate microgranules greater than 330 micrometer in dimension.
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