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Table 2 Analysis of the SAR and temperature distribution in the abdomen

From: Regional hyperthermia of the abdomen, a pilot study towards the treatment of peritoneal carcinomatosis

SIGMA-60 SAR 50 (abdomen) (W/kg) T 90 (°C) T 50 (°C) T max (°C) SIGMA-Eye SAR 50 (abdomen) (W/kg) T 90 (°C) T 50 (°C) T max (°C)
70 MHz, 700 W, −2 cm 45 38,3 40,1 41,8 100 MHz, 1500 W 35 40,7 41,6 43,0
90 MHz, 600 W, −3 cm 42 38,3 40,6 42,7 100 MHz, 1600 W 36 39,9 41 42
90 MHz, 500 W 42 38,1 39,5 41,2 100 MHz, 1500 W 20 39,1 39,8 41,2
90 MHz, 600 W 43 38,2 40,7 42,2 100 MHz, 1500 W 40 41 41,9 42,8
90 MHz, 500 W, −3 cm 52 39,1 41 43,7 Mean value 33 40,2 41,1 42,2
70 MHz, 500 W, −4 cm 32 38 39,5 41,3      
90 MHz, 550 W 40 37,6 39,8 42,2      
Mean value 42 38,2 40,2 42,2      
  1. The applicator position is centered on the central plane (navel) as shown in Fig. 1. Distal aberrations (in cm) of applicator position to central position (required for a few patients treated with Sigma-60) are listed in the left column
  2. SAR specific absorption rate