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Journal of Neurosurgical Sciences 2018 Mar 28

DOI: 10.23736/S0390-5616.18.04242-X


lingua: Inglese

The endoscopic surgical resection of intrasellar lesions conserves the hormonal function: a negative correlation to the microsurgical technique

Stefan LINSLER 1 , Sebastian SENGER 1, Renate HERO-GROSS 2, Wolf-Ingo STEUDEL 1, Joachim OERTEL 1

1 Klinik für Neurochirurgie, Universitätsklinikum des Saarlandes, Homburg, Deutschland; 2 Gesundheitszentrum am Markplatz, Praxis für Endokrinologie, Homburg, Deutschland


BACKGROUND: The endonasal endoscopic approach is still currently under investigation for sellar tumour surgery: a higher resection rate is to be expected and complications should be minimized. The authors report their surgical results of endonasal endoscopic neurosurgery with special focus on postoperative hypopituitarism in comparison to microsurgical procedures.
METHODS: Sixty patients received endoscopic endonasal transsphenoidal procedures for sellar pathologies. All patients were followed up prospectively. A second group of 60 patients received microsurgical transsphenoidal procedures for sellar pathologies in our neurosurgical department before and were prospectively followed until now. Special attention was paid to hormonal insufficiency and medical substitution.
RESULTS: Sixty-eight percentage (41/60) of the patients who underwent microsurgical procedures showed a new persisting pituitary insufficiency postoperatively. Twenty-three patients (55.5%) were substituted with thyroxine, hydrocortisone and sexual hormones and one patient (2.5%) also with ADH cause of global pituitary insufficiency. In 19 cases without any hormonal insufficiency after microsurgical procedures 9 patients (47%) showed remnant tumor in follow up MRI. The patients who underwent endoscopic procedures for pituitary adenomas revealed significant (p<0.01) less new persistent hormonal insufficiency with 13% of all cases (8/60). Five patients (62.5%) were substituted with thyroxine and hydrocortisone, two patients (25%) substituted with thyroxine, hydrocortisone and sexual hormones and one patient also with ADH because of global pituitary insufficiency. Thereby, in follow up MRI and hormonal testing, radical tumour resection was detected in 92% in the endoscopic group.
CONCLUSIONS: This study seems to indicate that a better intraoperative identification and preservation of pituitary gland is possible in endoscopic transsphenoidal surgery with consecutive lower postoperative hypopituitarism rate.

KEY WORDS: Endoscopy - Microscopy - Pituitary surgery - Sellar lesions - Hypopituitarism

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