Treatment of presumed prolactinoma by transsphenoidal operation: early and late results.

Authors:
  • JTJ A Thomson
    J A Thomson
  • GTG M Teasdale
    G M Teasdale
  • DGD Gordon
    D Gordon
  • DMD C McCruden
    D C McCruden
  • DDD L Davies
    D L Davies

Abstract
Seventy seven patients who were presumed to have a prolactinoma on the basis of biochemical findings underwent transsphenoidal operation between October 1977 and September 1983. Sixty one patients were found to have a microadenoma, and hyperprolactinaemia was cured in 46 of these, amenorrhoea in 39 (80% of those with the symptom), galactorrhoea in 32 (80%), and infertility in 31 (82%). Four of eight patients found to have a macroadenoma were also satisfactorily treated with surgery. Two patients had a lesion other than a prolactinoma, and in six a tumour could not be found at operation; four of these last eight patients had a normal serum prolactin concentration after operation. Recurrent hyperprolactinaemia was rare, occurring in only three patients in the series overall; among the 32 patients followed up for more than five years only two of the 22 whose operation had initially been successful developed recurrent hyperprolactinaemia.