STUDIES ON THE MECHANISM OF DETECTION OF THE RADIO-NEGATIVE TUMORS IN SCINTILLATION CAMERA : (II) THEORETICAL ANALYSIS OF THE HINDRANCE FACTORS OF ITS DETECTABILITY

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  • シンチカメラの陰性腫瘍検出機序の研究 : 第2報検出能を阻害する因子の理論的解析
  • シンチカメラの陰性腫瘍検出機序の研究-2-検出能を阻害する因子の理論的解析
  • シンチ カメラ ノ インセイ シュヨウ ケンシュツ キジョ ノ ケンキュウ 2

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Abstract

To analize the mathematical relationship between the detectability of the radio-negative tumor images and the patient-factors which were reported on the previous paper, a theoretcal formula was induced based upon the new concept designated as "Specific Radiation Contrast" (S. R. C.). This theoretical expression was revealed to be satisfactory to interpret thhe data obtained in the previous study concerning the hindrance-factors and the demonstrability of radio-negative tumor images. Thus, the hindrance-factors are explained by the values of this simple formala.

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