Abstract
We report the experience of endoscopic endonasal transsphenoidal surgery (EETS) for resection of pituitary region tumours at Wellington, the central regional referral centre for neurosurgery in New Zealand, and discuss the collaborative mentoring surgical model that enhanced the learning experience. Between January 2007 and June 2009, a total of 47 operations on 46 patients were performed and reviewed retrospectively. All patients had perioperative clinical assessment, hormonal profile and magnetic resonance imaging studies for residual/recurrent disease. The collaborative model utilized two neurosurgeons with experience in the microsurgical resection of pituitary tumours: an endoscopic skull base fellowship trained rhinologist and an endoscopic skull base rhinologist with more experience who visited twice a year from Adelaide, Australia. The pathology results included: 30 non-functioning pituitary adenomas, 10 secreting pituitary adenomas, 3 meningiomas, 1 chordoma, 1 anterior skull base adenocarcinoma and 1 clival prostate metastasis. Complete tumour resection was intended and achieved in 38 cases. All 10 patients with secreting adenomas achieved improvement of hormonal profile. Nineteen out of 27 cases demonstrated improveme...Continue Reading
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