Journal
WORLD NEUROSURGERY
Volume 84, Issue 3, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.wneu.2015.04.059
Keywords
Cushing disease; Endoscopic transsphenoidal surgery; Macroadenoma
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BACKGROUND: There are scant data of endoscopic transsphenoidal surgery (ETS) with adjuvant therapies of Cushing disease (CD). OBJECTIVE: To report the remission rate, secondary management, and outcomes of a series of CD patients. METHODS: Patients with CD with magnetic resonance imaging (MRI)-positive adenoma who underwent ETS as the first and primary treatment were included. The diagnostic criteria were a combination of 24-hour urine-free cortisol, elevated serum cortisol levels, or other tests (e.g., inferior petrosal sinus sampling). All clinical and laboratory evaluations and radiological examinations were reviewed. RESULTS: Forty consecutive CD patients, with an average age of 41.0 years, were analyzed with a mean follow-up of 40.2 +/- 29.6 months. These included 22 patients with microadenoma and 18 with macroadenoma, including 9 cavernous invasions. The overall remission rate of CD after ETS was 72.5% throughout the entire follow-up. Patients with microadenoma or noninvasive macroadenoma had a higher remission rate than those who had macroadenoma with cavernous sinus invasion (81.8% or 77.8% vs. 44.4%, P = 0.02). After ETS, the patients who had adrenocorticotropic hormone-positive adenoma had a higher remission rate than those who had not (76.5% vs. 50%, P = 0.03). In the 11 patients who had persistent/recurrent CD after the first ETS, 1 underwent secondary ETS, 8 received gamma-knife radiosurgery (GKRS), and 2 underwent both. At the study end point, two (5%) of these CD patients had persistent CD and were under the medication of ketoconazole. CONCLUSION: For MRI-positive CD patients, primary (i.e., the first) ETS yielded an overall remission rate of 72.5%. Adjuvant therapies, including secondary ETS, GKRS, or both, yielded an ultimate remission rate of 95%.
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