ea0031mte6 | (1) | SFEBES2013
Grossman Ashley
The great majority of phaeochromocytomas are benign, but some 10–15% are found to be malignant, the proportion being higher when they are extra-adrenal, paragangliomas. Malignant behaviour is hard to predict, and there are few histopathological features that are consistently of use. There are novel biochemical and molecular markers, but none has proven to be as yet especially reliable although elevated urinary methoxytyramine seems to be useful. At present, size is proba...