Surgery of cerebellopontine angle epidermoid cysts: role of the widened retrolabyrinthine approach combined with endoscopy

Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
V DarrouzetJ P Bébéar

Abstract

To evaluate the use of the retrolabyrinthine approach (RLA) combined with endoscopy with particular reference to preservation of cranial nerve function and completeness of excision in surgery of epidermoid cysts. A retrospective study was performed on a series of 8 consecutive patients of whom 7 have undergone surgery. Main outcome measures Measures include audiological and neurological status preoperatively and postoperatively, size of the lesion, the surgical approach, completeness of excision, and operative morbidity. The tumors were all large, ranging from 2 x 3 cm to 6 x 6 cm. Presenting symptoms were headache (75%), dysequilibrium (62%), trigeminal nerve palsy (38%), abducens nerve palsy (25%), and, rarely, auditory symptoms. Seven patients underwent surgery, 5 by the RLA, 1 by a translabyrinthine approach (TLA), and 1 by a transcochlear approach. Complete excision was achieved in 5 of the 7 patients. A transtentorial approach was combined in 2 cases (1 RLA, 1 TLA). Endoscopy was used in 3 cases. It allowed a complete tumor excision. One case of keratinous meningitis was observed. Trigeminal nerve function returned to normal in all patients. Postoperative facial nerve function was grade I in 5 cases and grade III in 2 cas...Continue Reading

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Citations

Jul 21, 2004·Journal of Endourology
Oct 4, 2012·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Mia E MillerRoberto A Cueva
Apr 18, 2009·Southern Medical Journal·Sadat Muzammil, King Sun Leong
Jul 3, 2007·Clinical Neurology and Neurosurgery·Arnaud DevèzeVincent Darrouzet
Apr 25, 2008·Neurosurgery·Felipe P Trivelato, Alexandre V Giannetti
Oct 5, 2015·International Journal of Surgery Case Reports·J C Moreira-HolguinJ L Gómez-Amador
Apr 22, 2008·Surgical Neurology·Terry K Schiefer, Michael J Link
Jan 17, 2015·Journal of Neurosurgery·Emad AboudOssama Al-Mefty
Sep 28, 2017·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Thomas MuellemanJames Lin
May 29, 2019·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Ali KouhiSasan Dabiri
Nov 10, 2007·Current Opinion in Neurology·Ashkan MonfaredRobert K Jackler
Jul 27, 2021·Journal of Neurological Surgery. Part B, Skull Base·Thomas J MuellemanGautam U Mehta

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