Fig. 3From: The combination of 13N-ammonia and 11C-methionine in differentiation of residual/recurrent pituitary adenoma from the pituitary gland remnant after trans-sphenoidal AdenomectomyDistribution map of T/G ratios of 13N-ammonia and 11C-MET. As shown in this figure, a small overlap was observed between RPA (blue spot) and PGR (red spot)Back to article page