Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Utilizing a Novel Pituitary Retractor for Early Descent of the Diaphragma Sellae during Endoscopic Transsphenoidal Pituitary Surgery

  • Park, Jae-Sung (Department of Neurosurgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea) ;
  • Chung, Dong-Sup (Department of Neurosurgery, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea) ;
  • Yoon, Wan-Soo (Department of Neurosurgery, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea)
  • Received : 2021.02.19
  • Accepted : 2021.05.14
  • Published : 2022.01.01
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Abstract

Objective : Early descent of the diaphragm sellae (DS) during endoscopic endonasal transsphenoidal surgery (EETS) for pituitary macroadenoma surgery is occasionally a troublesome event by blocking the surgical field. Here we introduce an alternative technique with the new pituitary retractor and present our clinical experiences. Methods : We designed a simple and rigid pituitary retractor with the least space occupation in the nasal cavity to be compatible in EETS. The pituitary retractor was held by external holder system to support the herniated DS stably. We retrospectively reviewed a clinical 22 cases of pituitary macroadenomas underwent EETS using the pituitary retractor. Results : The pituitary retractor stably pushed up the herniated DS in all cases, and the surgeon proceeded the procedure with bimanual maneuver. The pituitary retractor was helpful to remove tumors around the medial cavernous sinus and behind the DS in 16 and seven cases, respectively. In four cases, the meticulous hemostasis was completed with the direct visualization by the DS elevation with this retractor. Gross total tumor resection was performed in 20/22 patients (91%). The impaired visual function and hypopituitarism were improved in 18/20 (90%) and 7/14 (50%) patients after surgery, respectively. There was no complication related with the pituitary retractor. Conclusion : During EETS for pituitary macroadenomas, the novel pituitary retractor reported in this study is a very useful technique when the herniated DS block the surgical field and bimanual maneuver. This pituitary retractor can help to result in the excellent surgical outcomes with minimal morbidity.

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References

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