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  • Title: [Translabyrinthine approach and venous prolapses (jugular bulb and lateral sinus)].
    Author: Thomassin JM, Braccini F, Roche P, Pellet W.
    Journal: Rev Laryngol Otol Rhinol (Bord); 1999; 120(2):83-7. PubMed ID: 10444979.
    Abstract:
    Temporal bone venous prolapse with or without meningeal prolapse are a frequent problem in middle ear and labyrinth surgery. 178 translabyrinthine approaches with prolapse study are reported in this retrospective study. Superficially, the approach was narrow in 43% of the patients because of a lateral sinus prolapse in 27 cases or a temporal meningeal prolapse in 50 patients. Surgery was technically difficult in 8 patients with lateral sinus prolapse associated with meningeal prolapse. Deep labyrinth structure reaming was difficult in 40% because of an abnormal position of the jugular bulb and/or the superior petrosal sinus. Both superficial and deep approach was narrow in 22% of the cases. 23 lateral sinus prolapses associated with transhigh jugular bulb and 17 lateral sinus prolapses associated with superior petrosal sinus prolapses were noted and reported. Expectation of these anatomical variations, more frequent on the right side, should be established before surgery with imaging studies in order to perform a safe and efficient surgical procedure.
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