Does plateau kinetics mean cancer?

Does plateau kinetics mean cancer? The kinetics showing rapid initial enhancement followed by wash-out or plateau is suspicious of malignancy; while that showing medium or slow initial enhancement followed by persistent enhancement is more likely benign. What does rapid enhancement and washout mean? An initial peak signal intensity within 90 seconds >90% is defined as […]

How many carats is Princess Diana sapphire ring?

How many carats is Princess Diana sapphire ring? 12-carats Royal fans have all admired the breathtaking beauty of Princess Diana’s engagement ring, but perhaps few realize just how precious the ring truly is. The engagement ring features a blue Ceylon sapphire that weighs an impressive 12-carats. Is sapphire more valuable than ruby? A fine quality […]

Can XOLAIR cause skin problems?

Can XOLAIR cause skin problems? Dermatitis (inflammation in your skin that may cause a rash) has occurred in some people taking Xolair. In clinical studies of people with asthma, dermatitis was reported in 2% of those taking Xolair. In people taking a placebo (treatment with no active drug), 1% had dermatitis. How long does XOLAIR […]

Is chi-square distribution symmetric?

Is chi-square distribution symmetric? Chi-square is non-symmetric. There are many different chi-square distributions, one for each degree of freedom. The degrees of freedom when working with a single population variance is n-1. What shape is the chi-square distribution and why? Chi-square distribution is a continuous probability distribution. It is a skewed distribution. Why chi-square distribution […]

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