Fig. 1From: Thermography as an aid for the complementary diagnosis of nodules in the thyroid glandMedian minimum temperatures of the malignant, benign nodules and the control group. The malignant nodule is represented by the red color, the benign ones by the blue color and the control group (healthy tissue) by the gray color. The figure shows the thermal difference (ºC) over time (minutes). Y-axis in degrees Celsius. Axis x time 3 min in a 30-s intervalBack to article page