Sublabial Transseptal vs Transnasal Combined Endoscopic Microsurgery in Patients With Cushing Disease and MRI--Depicted Microadenomas

Atkinson, John L. D.; Young Jr, William F.; Meyer, Fredric B.; Davis, Dudley H.; Nippoldt, Todd B.; Erickson, Dana; Vella, Adrian; Natf, Neena; Abboud, Charles F.; Carpenter, Paul C.
May 2008
Mayo Clinic Proceedings;May2008, Vol. 83 Issue 5, p550
Academic Journal
OBJECTIVE: To assess whether the type of surgical approach to the sella (sublabial transseptal vs transnasal) affects surgical outcome among patients with Cushing disease. PARTICIPANTS AND METHODS: Both procedures were performed at our institution from January 1, 1995, through January 31, 2003. From a total of 106 patients with Cushing disease who had had surgery, we identified 42 adults undergoing an initial surgery, with microadenoma (<1 cm) determined by magnetic resonance imaging and a minimal follow-up of 3 months. RESULTS: We identified 21 patients (4 male, 17 female) for sublabial transseptal transsphenoidal microsurgery. Mean ± SD age was 45.0 ± 12.9 years (range, 27.0–69.0 years); median duration of symptoms was 2.5 years (range, 1.5–7.5 years). Median follow-up was 1.0 year (range, 0.3–11.0 years). We identified another 21 patients (5 male, 16 female) for endoscopic transsphenoidal microsurgery whose mean ± SD age was 43.8 ± 14.1 years (range, 19.0–70.0 years); median duration of symptoms was 2.4 years (range, 0.2–6.0 years). Median follow-up was 2.5 years (range, 0.3–8.7 years). Complications (cerebrospinal fluid leak and transient diabetes insipidus) and cure (86% initial cure; 76% relapse-included cure) were equivalent between the 2 procedures. However, the endoscopic approach was associated with shorter anesthesia time, less blood loss, and shorter hospital stays. CONCLUSION: The endoscopic transnasal surgical approach led to shorter total anesthesia time, less blood loss, and shorter hospital stay when compared with the sublabial transseptal approach. However, we found no difference between the 2 surgical procedures with respect to cure or complications, suggesting that outcome is more closely related to the experience of the operating team.


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