Fig. 3From: Management after initial surgery of nonfunctioning pituitary adenoma: surveillance, radiotherapy or surgery?A PFS according to histological subtypes: Gonodotrophic: 99 vs. other subtypes (null-cell = 74, corticotroph = 9, plurihormonal = 12, lactotroph = 1, thryreotroph = 1) (p = 0.285) B PFS after adjuvant RT or salvage RT is no different (p = 0.17) C Radiation-free survival after second surgical operationBack to article page