Archimedes determined the upper and lower range of pi by finding the perimeters of inscribed and circumscribed polygons. By doubling the number of sides of the hexagon to a 12-sided polygon, then a 24 ...

Purpose To report efficacy of photodynamic therapy (PDT) in the treatment of three cases of juxtafoveal circumscribed choroidal haemangioma. Methods Data on three patients (two primary, and one failed ...

CIRCUMSCRIBED pretibial myxedema is an unusual but not a particularly rare skin disease. In an excellent article Curtis and his associates 1 described this condition, and many cases have been reported ...

AACR: Breast CA Survival Racial Disparity Persists Despite SES Multiple bilateral circumscribed breast masses detected with ultrasound screening are almost always benign. (HealthDay News) – Multiple ...

Symmetrical—lesions appear to be distributed in a similar arrangement on differing sides of the body (Figure 3, see slideshow) Once the configuration and distribution has been determined, the next ...

Around 250 B.C., the Greek mathematician Archimedes calculated the ratio of a circle's circumference to its diameter. A precise determination of pi, as we know this ratio today, had long been of ...