Large metastatic masses should be surgically removed as far as possible before starting mitotane treatment, in order to minimise the risk of infarction and haemorrhage in the tumour due to a rapid cytotoxic effect of mitotane.
See on vajalik selleks, et vähendada infarkti või verejooksu tekkevõimalust tuumorikoes mitotaani kiire tsütotoksilise toime tõttu.