Microsurgical resection of large pituitary adenomas via transeyebrow supraorbital keyhole approach / 中华显微外科杂志

ABSTRACT

Objective To study the microsurgical excision of large and giant pituitary adenomas via transeyebrow supraorbital keyhole approach and discuss the advantages of this approach Methods Forty four patients were treated with microneurosurgery via transeyebrow supraorbital keyhole approach Transverse incision was made about 5 cm,include external two third of eyebrow The skull window was about 3 cm in diameter The operative space was between subdual and epiarachnoid Under the microscope,border of tumor and its capsule could be found and dissected step by step Tumor was removed piece by piece and could be removed totally The follow up survey after 6 month, includes MRI examination,endocrine changes,visual power and visual field Result Total excision of pituitary adenomas was achieved in 40 patients;2 patients subtotal excision,and large part was removed in another 2 patients There was no mortality in this group The clinical symptoms were improved in all patients Conclusion The transeyebrow supraorbital keyhole technique is a minimally invasive technique and can be used in excision of large and giant pituitary adenomas,it can reduce the operative injury and morbidity