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Endoscopic transsphenoidal treatment in recurrent and residual pituitary adenomas - first experience.

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Minim Invasive Neurosurg. 2006 Feb ;49:10-4


Endoscopic transsphenoidal treatment in recurrent and residual pituitary adenomas - first experience.

A Rudnik, T Zawadzki, B Gałuszka-Ignasiak, P Bazowski, I Duda, M Wojtacha, A I Rudnik, I Krawczyk


AIM OF THE STUDY:: The aim of the study has been the assessment of the endoscopic method in the surgical management of recurrent and residual pituitary adenomas, as concerns treatment efficiency, substantial complications, and its possible advantages for the operating surgeon and patient. Material and Methods: In Department of Neurosurgery, Silesian University School of Medicine in Katowice, between October 2001 and June 2004, 125 patients underwent endoscopic surgery due to pituitary adenoma. The analysis comprised 20 patients, who were operated on due to recurrent adenomas or residual tumour not completely removed during the first surgical procedure. The group of patients was composed of 9 women and 11 men. The youngest patient was 32 years of age, the oldest 79. The average age was 53.9 years. The analysed group had 14 non-functioning adenomas, 4 GH-secreting adenomas, 1 PRL-secreting adenoma and 1 ACTH-secreting adenoma. 19 of them were macroadenomas while 1 was a microadenoma. 11 of the 20 adenomas infiltrated the cavernous sinuses. The surgical procedures were performed by a stable team, composed of 2 neurosurgeons, a laryngologist and an anaesthesiologist. The surgery method was based upon the technique developed by J. and Carrau, with own modifications of the operators. A rigid neuroendoscope having the diameter of 4 mm with 0 degrees and 30 degrees optics by Storz was used. The follow-up period after surgery was between 12 and 42 months, 24.2 months on average. RESULTS: Of the 20 cases, complete recovery was achieved in 40 % of patients undergoing secondary surgical procedures. In the group of 11 patients with adenomas not infiltrating the cavernous sinuses, recovery was reported for 8 of them, that is 73 %. No fatalities occurred. 7 cases of liquorrhoea occurred during operation, requiring reconstruction and sealing of the sella by means of tissue glue and artificial dura or freeze-dried human dura. In 1 case, despite the application of post-operative lumbar drainage, rhinorrhoea occurred one month after the procedure, which required endoscopic reconstructive treatment. In the same patient, a pneumoencephalocele was observed. The average time of the repeat surgical procedure using endoscopic techniques was shorter by 18 minutes than the repeat procedure using microscopic techniques. CONCLUSIONS: The endoscopic method is a safe, hardly invasive and efficient surgical technique in the treatment of recurrent and residual pituitary adenomas. Advantages which add to its attractiveness are also reduction of the procedure duration, very good visualisation of the operative field, absence of serious complications, less pain experienced after the surgery.



(I'm researching, can you tell? My house still waits on me...lol!)

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